antennas and transmission lines - general

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
7/8-inch hardline coax connectors- construct   WA5FAC               95  Sep 88
at your own low cost
Antenna and control-link calculations for      W7PUG                58  Nov 73
repeater licensing
Antenna and control-link calculations for      Short circuit        59  Dec 73
repeater licensing
Antenna and feedline facts and fallacies       W5JJ                 24  May 73
Antenna Array Patterns with a Personal         KC7MT                59  Feb 89
Computer
Antenna control, automatic azimuth/elevation   WA3HLT               26  Jan 75
for satellite communications
Antenna control, automatic azimuth/elevation   Correction           58  Dec 75
for satellite communications
Antenna design, programmable calculator        W3DVO                70  May 74
simplifies (HN)
Antenna dimension (HN)                         WA9JMY               66  Jun 70
Antenna gain (letter)                          W3AFM                62  May 76
Antenna gain and directivity                   W2PV                 12  Aug 79
Antenna gain, measuring                        K6JYO                26  Jul 69
Antenna geometry for optimum performance       N4HI                 60  May 82
Antenna insulators, PTFE VHF                   W5JTL                98  Oct 85
Antenna parameters, equations for determining  KG6B                 40  Mar 82
Antenna relay sequencing                       KN5S                 17  Oct 87
Antenna restrictions (letter)                  K3SRO                 6  Nov 81
Antenna restrictions: another solution         N4AQD                46  Jun 80
Antenna support (HN)                           W6XM                 64  Jun 84
Antenna switching, solid state                 W2EEY                30  Nov 68
Antenna wire, low-cost copper (HN)             W2EUQ                73  Feb 77
Antennas and capture area                      K6MIO                42  Nov 69
Antennas, GFI, Capacitors, and Fundamentals    W6SAI                57  Dec 89
Anti-QRM methods                               W3FQJ                50  May 71
Applied Yagi antenna design, part 2: 220 MHz   WB3BGU               33  Jun 84
and the Greenblum design data
Balun chop suey                                K4KJ                113  May 85
Battle of the Beams-pt 1                       G4GVO                29  Jun 89
Battle of the Beams-pt 2                       G4GVO                20  Aug 89
Battle of the Beams-pt 3                       G4GVO                53  Oct 89
Beam antenna mast lock                         W4KV                 68  Jun 81
Best way to get an antenna into a tree (HN)    WA5VLX               84  Mar 81
Bridge for antenna measurements, simple        W2CTK                34  Sep 70
Bulkhead connector (HN)                        K9CZB                78  Apr 85
Bulkhead connector (HN)                        Short circuit        74  Jul 85
Coaxial connections, sealing (HN)              W5XW                 64  Mar 80
Coaxial connections, sealing (HN)              Letter, K7ZFG         6  Oct 80
Common-point Grounding: Lightning Protection   K1ZJH                24  Jul 89
for Repeaters
Compact travel antenna                         K1BQT                29  Jun 87
Computerizing Smith Chart Network Analysis     N1AYW                10  Oct 89
Computerizing Smith Chart Network Analysis     Short circuit        10  Jan 90
Construction techniques using PVC pipe to      W2OQI                98  Sep 88
make antennas
Cubical quad measurements                      W4YM                 42  Jan 69
De-icing the quad (HN)                         W5TRS                75  Aug 80
Design Data for Pipe Masts                     W4MB                 38  Jul 89
Dipole antenna length reference chart (HN)     W6XM                 75  Oct 81
Dipole center insulator (HN)                   WA1ABP               69  May 69
Direction-finding tool, the fox box            K1ZJH                25  Oct 85
Diversity receiving system                     W2EEY                12  Dec 71
Dummy load and rf wattmeter, low-power         W2OLU                56  Apr 70
Dummy load, low-power vhf                      WB9DNI               40  Sep 73
Dummy loads, experimental                      W8YFB                36  Sep 68
Earth anchors for guyed towers                 W5QJR                60  May 80
Easy measurement of antenna currents (HN)      KO1F                 39  Sep 88
Effective radiated power (HN)                  VE7CB                72  May 73
Elmer's notebook: Standing wave ratio - what   W1SL                 98  Feb 88
does it mean?
Feedpoint impedance characteristics of         W5JJ                 50  Dec 73
practical antennas
Ferrite Beads as Antenna and Tower Guy         W4MB                 72  Apr 89
lsolators(HN)
Filters, low-pass, for 10 and 15               W2EEY                42  Jan 72
Gain calculations, simplified                  W1DTV                78  May 78
Gain vs antenna height, calculating            WB8IFM               54  Nov 73
Gdo, new uses for                              K2ZSQ                48  Dec 68
Gin pole, simple lever for raising masts       WA2ANU               72  May 77
Ground current measuring on 160-meters         W0KUS                46  Jun 79
Ground rod resistance                          K4MT                 95  Jul 84
Ground rod resistance                          Comments              8  Sep 84
Ground rods (letter)                           W7FS                 66  May 71
Ground screen, alternative to radials          WB0JGP               22  May 77
Ground systems (letter)                        ZL2BJR                6  Nov 80
Ground systems, installing effective           KR7L                 67  Sep 83
Ground systems, vertical antenna               W7LR                 30  May 74
Grounding, safer (letter)                      WA5KTC               59  May 72
Groundplane antenna                            Comments:             6  Jun 87
                                               DJ0TR/OE8AK
Groundplane antenna                            Comments: W6BCX       6  Oct 87
Half-delta loop                                VE2CV                37  May 82
Ham radio techniques                           W6SAI                75  Nov 84
Ham radio techniques                           W6SAI                67  Dec 84
Ham Radio techniques: A look at the            W6SAI                38  Oct 88
groundplane antenna
Ham Radio Techniques: antenna gain             W6SAI                30  Jan 90
Ham Radio Techniques: Antenna Projects for     W6SAI                55  Apr 89
Spring
Ham radio techniques: antenna systems          W6SAI                55  May 87
Ham Radio Techniques: Antenna Time             W6SAI                74  May 89
Ham Radio Techniques: The MN analysis          W6SAI                34  Feb 90
program, (that was then, this is now)
Headings, beam antenna                         W6FFC                64  Apr 71
Homebrew antenna mount                         W6QIR                35  May 87
Hook, line 'n sinker (HN)                      WA4NED               76  Sep 68
Horizontal or vertical (HN)                    W7IV                 62  Jun 72
Impedance measurements, nonresonant antenna    W7CSD                46  Apr 74
Insulators, homemade antenna (HN)              W7ZC                 70  May 73
Isotropic source and practical antennas        K6FD                 32  May 70
Leyden's magic jar: the derivation of the      KR6A                 24  Oct 84
Hertzian and Marconi antennas
Light-bulb dummy loads (HN)                    W6HPH                74  Oct 81
Lightning protection                           K9MM                 18  Dec 78
Lightning protection                           Comments, W2FBL       6  Jul 79
Lightning protection                           Comments, W6RTK       6  Jul 79
Lightning protection                           Letter, K9MM         12  Dec 79
Lightning protection (C&T)                     W1DTY                50  Jun 76
Line-of-sight distance, calculating            WB5CBC               56  Nov 76
Measurement techniques for antennas and        W4OQ                 36  May 74
transmission lines
Measuring antenna gain                         K6JYO                26  Jul 69
Mobile Antenna Anti-rotate Device              W1OLP                40  May 89
Mobile mount, rigid (HN)                       VE7ABK               69  Jan 73
More on elevated radials: HH Beverage's 1921   W6VX                 57  Jun 90
Counterpoise System (HN)
Neglected antenna for 40 and 80 meters         W0WL                 44  Jan 82
Neglected antenna for 40 and 80 meters         Comments, W0WL        8  May 82
Power in reflected waves                       Woods                49  Oct 71
Practically Speaking: Antenna System           K4IPV                82  Feb 89
Instruments
Practically Speaking: RF Wattmeters and        K4IPV                75  Mar 89
Antenna VSWR Meters
Practically speaking: using antenna noise      K4IPV                69  May 86
bridge
Preamplifiers, Active antenna                  R W. Burhans         47  May 86
Radials, installing, for vertical antennas     K3ZAP                56  Oct 80
Rain static resolved                           W1FYX                83  Sep 83
Reflected power, some reflections on           VE3AAZ               44  May 70
Reflectometers                                 K1YZW                65  Dec 69
Remote Control Switching System                VK2WD                62  Oct 89
Remote Driver/Controller for a Two-antenna     NH6N                 79  Apr 89
System
Rf current probe (HN)                          W6HPH                76  Oct 68
RF power meter, low-level                      W5WGF                58  Oct 72
Sampling network, rf - the milli-tap           W6QJW                34  Jan 73
Scaling antenna elements                       W7ITB                58  Jul 79
Secrets of successful low-band operation:      K2RR                 16  May 86
part1
Secrets of successful low-band operation:      K2RR                 17  Jun 86
part2
Smith chart, how to use                        W1DTY                16  Nov 70
Smith chart, how to use                        Correction           76  Dec 71
Smith chart, numerical                         W8MQW               104  Mar 78
Solid-state T-R switch for tube transmitters   K1MC                 58  Jun 80
Standing-wave ratios, importance of            W2HB                 26  Jul 73
Standing-wave ratios, importance of            Correction:          67  May 74
                                               letter
Static mystery                                 HB9FU                85  Jul 83
T-R switch                                     K3KMO                61  Apr 69
The bi-square array                            N4LBJ                42  May 90
The Zepp (letter)                              W2RHQ                63  Aug 82
Time-domain reflectometry, practical           WA0PIA               22  May 71
experimenter's approach
Vertical antenna, folded umbrella, top-loaded  VE2CV                12  Sep 82
Vertical-vee, converting (letter)              KA5KWV                8  Sep 82
VHF/UHF world                                  W1JR                110  May 84
VHF/UHF world                                  W1JR                 77  Sep 86
Voltage-probe antenna                          W1DTY                20  Oct 70
VSWR and power meter, automatic                W0INK                34  May 80
Wattmeter, low power (letter)                  W0DLQ                 6  Jan 80
Wire plow, build a simple                      W7IV                107  May 84
Yagi design program                            W6NBI                 6  May 87
Yagi vs Quad-part 1                            K2SS                 68  May 88
Yagi vs Quad-part 2                            K2SS                 78  Jun 88
Yagis, stacking is a science                   K1FO                 18  May 88

antennas and transmission lines - high-frequency antennas

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
12-Meter "Garage Plane"'Antenna                W8PDV                32  Mar 89
14-MHz delta-loop array                        N2GW                 16  Sep 78
160 meters with 40-meter vertical              W2IMB                34  Oct 72
160-meter loop, receiving                      K6HTM                46  May 74
160-meter vertical, shortened (HN)             W6VX                 72  May 76
3-element Yagi design, key to                  K3OQF                48  Mar 84
3.5-MHz broadband antennas                     N6RY                 44  May 79
3.5-MHz phased horizontal array                K4JC                 56  May 77
3.5-MHz sloping antenna array                  W2LU                 70  May 79
3.5-MHz tree-mounted ground-plane              K2INA                48  May 78
40, 80, and 160-meter vertical, remote         W7LR                 38  May 84
controlled
7-MHz antenna array                            K7CW                 30  Aug 78
7-MHz rotary beam                              W7DI                 34  Nov 78
7-MHz short vertical antenna                   W8TYX                60  Jun 77
80-meter half-wave sloper uses reflector (HN)  KO1F                 48  Oct 84
80-meter half-wave sloper uses reflector (HN)  Short circuit         8  Feb 85
Active antenna, 0.5-30 MHz                     K1ZJH                37  May 85
Active antenna, 0.5-30 MHz                     Comment, Hansen,     10  Jul 85
                                               R.C.
Adding 10 MHz to the HyGain HyTower            W5UOJ                38  May 89
Aligning Yagi beam elements (HN)               WA2SON               92  May 81
All band antenna portable (HN)                 W2INS                68  Jun 70
All-band phased-vertical                       WA7GXO               32  May 72
Analyzing 80-meter delta loop arrays           K1GQ                 10  Sep 86
Antenna potpourri                              W3FQJ                54  May 72
Antenna systems for 80 and 40 meters           K6KA                 55  Feb 70
Antenna, 3.5 MHz, for a small lot              W6AGX                28  May 73
Applied Yagi antenna design, part 6: the       WB3BGU               89  Oct 84
model and a special teaching tool
Army loop antenna - revisited                  W3FQJ                59  Sep 71
Army loop antenna - revisited                  Added notes          64  Jan 72
Base-loaded vertical antenna for 160 meters    W6XM                 64  Aug 80
Beam antenna, improved triangular shaped       W6DL                 20  May 70
Beam for ten meters, economical                W1FPF                54  Mar 70
Beverage antenna                               W3FQJ                67  Dec 71
Beverage antenna for 40 meters                 KG6RT                40  Jul 79
Big beam for 10 meters                         K6KA                 32  Mar 68
Big quad - small yard                          W6SUN                56  May 80
Bobtail curtain and inverted ground plane:     Comments, WA7BPO     82  Feb 83
part1
Bobtail curtain and inverted ground plane:     W6BCX                82  Feb 83
part1
Bobtail curtain and inverted ground plane:     Short circuit        92  Nov 83
part1
Bobtail curtain and inverted ground plane:     W6BCX                28  Mar 83
part2
Bobtail curtain and inverted ground plane:     Short circuit        16  May 83
part2
Bobtail curtain and inverted ground plane:     Comments, WA7BPO     12  Jul 83
part2
Bobtail curtain array                          W8YFB                81  May 77
Bobtail curtain array, forty-meter             VE1TG                58  Jul 69
Butterfly beam                                 W1XU                 30  May 81
Capacitively loaded dipole, high-performance   W6VX                 33  May 84
Coaxial dipole antenna, analysis of            W2DU                 46  Aug 76
Coaxial dipole, multiband (HN)                 W4BDK                71  May 73
Collapsible Quad for 10-Meter Hilltopping      W4RNL                70  Nov 89
Collinear, six-element for                     W0YBF                22  May 76
Compact antennas for 20 meters                 W4ROS                38  May 71
Compact loop antenna for 80 and 40 meters      W6TC                 24  Oct 79
Converted-vee, 80 and 40 meter                 W6JKR                18  Dec 69
Convoluted Loop, The                           W5QJR                89  Apr 89
Corner-fed loop, low frequency                 ZL1BN                30  Apr 76
Corner-fed loop, low frequency                 installation         41  Feb 77
                                               modified
Cubical quad, improved low-profile, three      W1HXU                25  May 76
band
Cubical quad, three-band                       W1HXU                22  Jul 75
Cubical-quad antenna design parameters         K6OPZ                55  Aug 70
Cubical-quad antennas, mechanical design of    VE3II                44  Oct 74
Cubical-quad antennas, unusual                 W1DTY                 6  May 70
Curtain antenna (HN)                           W4ATE                66  May 72
De-icing the quad (HN)                         W5TRS                75  Aug 80
Debunking myths (letter)                       WB9VWA                8  Mar 83
Delta loop, the reduced-size, full-            G3TKN                67  Jan 85
performance, corner-fed
Delta loop, top-loaded                         W1DTY                57  Dec 78
Designing trap antennas: a new approach        W0JF                 60  Aug 87
Designing Yagis with the Commodore 64          N0CAO               107  Jan 86
Dipole antenna over sloping ground             N4HI                 18  May 82
Dipole antenna, trimming the (HN)              W5NPD                69  Jul 81
Dipole antennas on non-harmonic frequencies    W2CTK                72  Mar 69
(HN)
Dipole beam                                    W3FQJ                56  Jun 74
Dipole pairs, low SWR                          W6FPO                42  Oct 72
Dipole sloping inverted-vee                    W6NIF                48  Feb 69
Dipole, all-band tuned                         ZS6BT                22  Oct 72
Double bi-square array                         W6FFF                32  May 71
Dual-band antennas, compact                    W6SAI                18  Mar 70
DX antenna, single-element                     W6FHM                52  Dec 72
DX antenna, single-element                     Performance:         65  Oct 73
                                               letter
Easy Antenna Access for Urban Apartment        NU1N                 18  Apr 89
Dwellers, The Weekender:
Elmer's notebook: ten-meter skyware            W1SL                 90  Jul 88
End-fed 8JK; switchable vertical array         W1JF                 53  May 85
Five-band dipole                               W6HPH                76  Sep 88
Fold wire Fed Top-Loaded Grounded Vertical     K3OOF                32  May 89
Folded end-fire radiator                       N7WD                 44  Oct 80
Folded mini-monopole antenna                   W6SAI                32  May 68
Folded umbrella antenna                        WB5IIR               38  May 79
Four-band wire antenna                         W3FQJ                53  Aug 75
Four-vertical collinear element 20-meter       WA8DXB               57  May 83
array
Ground plane, three-band                       LA1EI                 6  May 72
Ground plane, three-band                       Footnote: letter     65  Oct 72
Ground plane, three-band                       Correction           91  Dec 72
Ground systems for vertical antennas           WD8CBJ               31  Aug 79
Ground-mounted vertical antennas               W7DHD, K3BN          11  Jun 90
Ground-mounted vertical for the lowerbands,    W5NPD                68  Nov 80
improved (HN)
Ground-plane antenna: history and development  K2FF                 26  Jan 77
Ground-plane, multiband (HN)                   JA1QIY               62  May 71
Grounded monopole with elevated feed           VE2CV                87  May 83
Half-square antenna, the                       N0AN                 48  Dec 81
Half-square antenna, the                       Short circuit        79  Oct 82
Half-wave vertical                             VE2CV                36  Sep 81
Ham radio techniques                           W6SAI                32  Sep 81
Ham radio techniques (01/84)                   W6SAI                65  Jan 84
Ham radio techniques (01/84)                   Comments, WA2DRL      8  Sep 84
Ham radio techniques (02/84)                   W6SAI                63  Feb 84
Ham radio techniques (02/84)                   Comments, K4KYV      12  May 84
Ham radio techniques (02/84)                   Comments, WD6DUD      8  Sep 84
Ham radio techniques (02/84)                   Comments, AD1G        8  Dec 84
Ham radio techniques (03/84)                   W6SAI                53  Mar 84
Ham radio techniques (04/84)                   W6SAI                76  Apr 84
Ham radio techniques (07/84), 160 redux        W6SAI                89  Jul 84
Ham radio techniques (07/87): 80-meter         W6SAI                57  Jul 87
antenna, 160-meter discone antenna
Ham radio techniques (08/84)                   W6SAI                96  Aug 84
Ham radio techniques (09/87): antennas         W6SAI                57  Sep 87
Ham radio techniques (10/84)                   W6SAI               106  Oct 84
Ham radio techniques (12/85)                   W6SAI                55  Dec 85
Ham radio techniques, fifty years ago          W6SAI                58  Jun 84
Ham Radio techniques: "radio ground" on 160    W6SAI                53  Mar 88
meters
Ham Radio Techniques: 160-meter antenna        W6SAI                49  Mar 90
problems and solutions
Ham Radio techniques: a nifty bi-square a      W6SAI                68  Jun 88
beam for 10 or 12 meters
HAM Radio Techniques: The Log Periodic         W6SAI                20  Sep 89
Antenna Family
Ham radio techniques: time and frequency       W6SAI                37  Jun 87
station WWVS, minibeam design, etc
Ham Radio techniques: why not a two-element    W6SAI                36  May 88
Yagi
Helical whip for RV and mobile use             W0BHG                24  May 90
(Weekender)
HF antenna (HN)                                W2GQK                22  Jul 83
HF Mobile Antenna                              NC0B                  9  Sep 89
HF mobile antennas, another look at            W5FG                 12  Mar 90
(Weekender)
High Performance Duoband Yagi for 15 and 20    KN2M                 41  Aug 89
meters
High-frequency amateur antennas                W2WLR                28  Apr 69
High-frequency diversity antennas              W2WLR                28  Oct 69
High-frequency Yagi antennas, understacking    W1XT                 62  Jun 80
High-gain phased array, experimental           KL7IEH               44  May 80
High-gain phased array, experimental           Short circuit        67  Sep 80
Horizontal antennas, optimum height for        W7LR                 40  Jun 74
Horizontal antennas, vertical radiation        WA9RQY               58  May 74
patterns
Horizontal-antenna gain at selected vertical   W7LR                 54  Feb 76
radiation angles
How high should your HF antenna be?            W5QJR                89  May 86
Inexpensive triband mobile antenna             AD5X                 62  May 90
(Weekender)
Inverted 'L' limited space (HN)                W8FR                 63  Jun 84
Inverted V or delta loop, how to add to tower  K4DJC                32  Jul 76
Inverted-vee antenna (letter)                  WB6AQF               66  May 71
Inverted-vee antenna, modified                 W2KTW                40  Oct 71
Inverted-vee Installation, Improved low-band   W9KNI                68  May 76
(HN)
JR vari-lobe antenna, control your take-off    W1JF                 46  May 85
angle
Junk-box portable antenna                      W3SMT                24  Oct 81
K4EF Long Wire Antenna Designs                 K4EF                 32  Sep 89
K7CW quad                                      K7CW                 36  Sep 82
Large vertical, 160 and 180 meters             W7IV                  8  May 75
Log periodic design                            W6PYK, W4AEO         34  Dec 79
Log-periodic antenna, 14, 21 and 28 MHz        W4AEO                18  Aug 73
Log-periodic antennas for high-frequency       W4AEO, W6PYK         67  Jan 80
Amateur bands
Log-periodic antennas, 7-MHz                   W4AEO                16  May 73
Log-periodic antennas, feed system for         W4AEO                30  Oct 74
Log-periodic antennas, graphical design        W4AEO                14  May 75
method for
Log-periodic antennas, vertical monopole,      W4AEO                44  Sep 73
3.5 and 7.0 MHz
Log-periodic beam, 15 and 20 meters            W4AEO                 6  May 74
Log-periodic beams, improved (letter)          W4AEO                74  May 75
Log-periodic feeds (letter)                    W4AEO                66  May 74
Log-periodic fixed-wire beams for 40 meters    W4AEO, W6PYK         26  Apr 80
Log-periodic fixed-wire beams for 75-meter DX  W4AEO, W6PYK         40  Mar 80
Log-periodic, three-band                       W4AEO                28  Sep 72
Log-Yagis simplified                           W3EB                 78  May 83
Longwire antenna. new design                   K4EF                 10  May 77
Longwire multiband antenna                     W3FQJ                28  Nov 69
Loop antenna, compact (letter)                 W6WR                  6  Feb 80
Loop antennas                                  W4OQ                 18  Dec 76
Loop receiving antenna                         W2IMB                66  May 75
Loop receiving antenna                         Correction           58  Dec 75
Loop-yagi antennas                             VK2ZTB               30  May 76
Low-band antenna problem, solution to          W8YFB                46  Jan 78
Low-mounted antennas                           W3FQJ                66  May 73
Making verticals quieter                       WA6RYZ               98  Jun 83
Matching dipoles (letter)                      W5XW                  8  Aug 85
Mobile antenna, helically wound                ZE6JP                40  Dec 72
Mobile color code (letter)                     WB6JFD               90  Jan 78
Mobile high-frequency antenna, refinements to  W3NZ                 34  Jun 81
Mobile vertical, 20-meter                      K9CZB                26  May 83
Modified Bobtail (HN)                          W0MBP                87  Sep 84
Mono-loop antenna (HN)                         W8BW                 70  Sep 69
Multiband 8JK, an end-fed                      G3SBA                81  May 84
Multiband antenna system                       VK2AOU               62  May 79
Multiband dipoles for portable use             W6SAI                12  May 70
Multiband vertical antenna system              W0NCU                28  May 78
N5NBU "Nice But Ugly $1.29 Antenna"            N5NBU                39  May 89
New class of directive antennas                W4MB                107  Apr 86
New class of directive antennas                Comment, AG4R         9  Jul 86
No-compromise, multiband, low VSWR dipole      GM3HAT               69  May 87
NO5H All-Band Dipole                           NO5H                 82  Jun 89
Nonresonant delta and V beam antennas          KL7ISA               49  May 90
Odd antennas, comments                         W9RXC                 9  Aug 86
Offset drooper: an improved ground plane       W6BCX                43  Feb 86
Old antennas, comments                         W0MBP                 9  Feb 86
Open quad antenna                              I2RR                 36  Jul 80
Optimizing gain on Yagi antennas               K2SS                 21  Mar 88
Phased antenna (letter)                        Thacker, Jerry        6  Oct 78
Phased array, design your own                  K1AON                78  May 77
Phased array, electrically-controlled          W5TRS                52  May 75
Phased arrays, feeding: an alternative method  KB8I                 58  May 85
Phased arrays, feeding: an alternative method  Short circuit        74  Jul 85
Phased vertical antenna for 21 MHz             W6XM                 42  Jun 80
Phased vertical array, fine tuning             W4FXE                46  May 77
Phased vertical array, four-element            W8HXR                24  May 75
Phased vertical arrays, pattern calculations   WB5HGR               40  May 81
for
Practically Speaking: High Frequency Dipole    K4IPV                92  May 89
Antenna-pt 1
Practically Speaking: High-Frequency Dipole    K4IPV                53  Jun 89
Antenna-pt 2
Practically Speaking: Vertically Polarized     K4IPV                71  Aug 89
HF Antennas-pt 1
Practically Speaking: Vertically Polarized     K4IPV                45  Sep 89
HF Antennas-pt 2
Practically Speaking: Vertically Polarized     K4IPV                81  Oct 89
HF Antennas-pt 3
Pt. I Yagi antenna design: performance         W2PV                 23  Jan 80
calculations
Pt. I Yagi antenna design: performance         Short circuit        66  Sep 80
calculations
Pt. II Yagi antenna design: experiments        W2PV                 19  Feb 80
confirm computer analysis
Pt. III Yagi antenna design: performance of    W2PV                 18  May 80
multi-element simplistic beams
Pt. IV Yagi antenna design: multi-element      W2PV                 33  Jun 80
simplistic beams
Pt. IX Yagi antennas: practical designs        W2PV                 30  Dec 80
Pt. V Yagi antenna design: optimizing          W2PV                 18  Jul 80
performance
Pt. VI Yagi antenna design: quads and quagis   W2PV                 37  Sep 80
Pt. VII Yagi antenna design: ground or earth   W2PV                 29  Oct 80
effects
Pt. VIII Yagi antenna design: stacking         W2PV                 22  Nov 80
PV-4 on Your Commodore                         WA3EKL               64  Oct 89
PV-4 on Your Commodore                         Short circuit        64  Jan 90
Quad antenna, modified                         ZF1MA                68  Sep 78
Quad antenna, multiband                        DJ4VM                41  Aug 69
Quad antenna, repairs (HN)                     K9MM                 87  May 78
Quad antenna: part 1-general concepts          W4MB                 43  May 88
Quad antenna: part 2-circular and octagonal    W4MB                 54  Jun 88
loops
Quad antenna: part 3-circular loop and         W4MB                 34  Aug 88
octagonal arrays
Quad for 7-28 MHz                              W3NZ                 12  Nov 80
Quad owner switches                            N6NB, W6AQ           12  May 82
Quad owner switches                            Comments, W6BQD       8  Dec 82
Quad variations, more (HN)                     W5TRS                72  Oct 80
Quad variations, more (HN)                     Short circuit        70  Feb 82
Quad, three-element switchable, for 40 meters  N8ET                 26  Oct 80
Quad, three-element, for 15-20 meters using    W4OVO                12  May 80
circular elements
Quads vs Yagis revisited                       N6NB                 12  May 79
Quads vs Yagis revisited                       Comments,            80  Oct 79
                                               WB6MMV, N6NB
Receiving antennas                             K6ZGQ                56  May 70
Rhombics, controlled vertical radiation,       N4UH                100  Mar 85
part 1: designing for high performance
Rhombics, controlled vertical radiation,       N4UH                 99  Apr 85
part 2: antenna erection and performance
Rotatable trap dipole for 12 and 17 meters     KD9SV                22  May 90
Satellite antenna, simple (HN)                 WA6PXY               59  Feb 75
Secrets of successful low-band operation:      K2RR                 16  May 86
part1
Secrets of successful low-band operation:      K2RR                 17  Jun 86
part2
SEED antenna: a short, efficient end-fed       W4JAZ               103  Sep 84
dipole
Selective antenna system minimizes unwanted    W5TRS                28  May 76
signals
Selective receiving antennas                   W5TRS                20  May 78
Short antennas, efficiency of                  W1GV/4               18  Sep 82
Short vertical antennas for low bands: part1   W7DHD                36  May 83
Short vertical antennas for low bands: part2   W7DHD                17  Jun 83
Shortened 40-meter four-element sloping        OE5CWL               74  May 88
dipole array
Shunt-fed tower (HN)                           N6HZ                 74  Nov 79
Shunt-feed systems for grounded vertical       W4OQ                 34  May 75
radiators, how to design
Simple 1-, 2- and 3-band antennas              W9EGQ                54  Jul 68
Simple antennas for 40 and 80                  W5RUB                16  Dec 72
Six-element wide-beam for 10 (ham radio        W6SAI                30  Dec 81
techniques)
Sloping dipoles                                W5RUB                19  Dec 72
Sloping dipoles                                Performance:         76  May 73
                                               letter
Small beams, high performance                  G6XN                 12  Mar 79
Small-loop antennas                            W4YOT                36  May 72
Stagger-tuned dipoles increase band-width      K4MT                 22  May 83
Stressed quad (HN)                             W5TIU                40  Sep 78
Structural evaluation of Yagi elements         K5IU                 29  Dec 88
Stub bandswitched antennas                     W2EEY                50  Jul 69
Suitcase antenna, high-frequency               VK5BI                61  May 73
Suspended long Yagi (ham radio techniques)     W6SAI                34  Nov 81
Tailoring your antenna, how to                 KH6HDM               34  May 73
Tapered vertical, calculating the input        K3OQF                24  Aug 85
impedance of
Tapered vertical, calculating the input        Short circuit        78  Oct 88
impedance of
Telephone-wire antenna (HN)                    K9TBD                70  May 76
Terminated vee beam, sloping                   Ross, Robert         71  May 85
TH3 juniour drooping, stop your (HN)           VK6SY                30  Feb 90
The bi-square array                            N4LBJ                42  May 90
The Gottingen heart antenna                    K3OQF                11  May 90
The K2GNC Giza beam                            K2GNC                52  May 81
Three Element Vertical Driven Array For 10     WB5IRI               22  Oct 89
Meters
Three-band ground plane                        W6HPH                32  Oct 68
Three-band sloper for 7, 18 and 24 MHz (HN)    W5FG                 58  May 88
Top-loaded vertical, a high-efficiency         W6US                 65  Oct 84
Transmission line antenna, 160-meter           N9NB                 87  May 85
Trap antenna, design your own                  W4MB                 37  Oct 84
Trapped antenna, trapping the mysteries of     N3GO                 10  Oct 81
Trapped antenna, trapping the mysteries of     Comments, K9CZB       8  Feb 82
Traps and trap antennas                        W8FX                 34  Aug 79
Triangle antennas                              W3FQJ                56  Aug 71
Triangle antennas                              W6KIW                58  May 72
Triangle antennas (letter)                     K4ZZV                72  Nov 71
Triangle beams                                 W3FQJ                70  Dec 71
Triband Yagi beam (ham radio techniques)       W6SAI                68  Jan 81
Tuning aid for the sightless (HN)              W6VX                 83  Sep 76
Two delta loops fed in phase                   W8HXR                60  Aug 81
Two single 80-meter radiators for short and    YO4WU                98  Nov 88
long skip (HN)
Two-element hf beams                           G6XN                  8  May 87
Unidirectional antenna for the low-frequency   GW3NJY               61  Jan 70
bands
Vertical antenna for 40 and 75 meters          W6PYK                44  Sep 79
Vertical antenna radiation patterns            W7LR                 50  Apr 74
Vertical antenna, low-band                     W4IYB                70  Jul 72
Vertical antenna, portable                     WA8NWL               48  Jun 78
Vertical antenna, three-band                   W9BQE                44  May 74
Vertical antennas, improving performance of    K6FD                 54  Dec 74
Vertical antennas, performance                 W7LR                 34  Mar 74
characteristics
Vertical beam antenna, 80 meter                VE1TG                26  May 70
Vertical dipole, gamma-loop-fed                W6SAI                19  May 72
Vertical for 80 meters, top-loaded             W2MB                 20  Sep 71
Vertical phased arrays: part1                  K2BT                 18  May 83
Vertical phased arrays: part1                  Comments, W9OAM      10  Mar 84
Vertical phased arrays: part2                  K2BT                 25  Jun 83
Vertical phased arrays: part2                  Comments, W9OAM      10  Mar 84
Vertical phased arrays: part3                  K2BT                 26  Jul 83
Vertical phased arrays: part3                  Short circuit        70  Oct 83
Vertical phased arrays: part3                  Comments, W9OAM      10  Mar 84
Vertical phased arrays: part4                  K2BT                 34  Oct 83
Vertical phased arrays: part4                  Short circuit        11  Dec 83
Vertical phased arrays: part4                  Comments, W9OAM      10  Mar 84
Vertical phased arrays: part5                  K2BT                 59  Dec 83
Vertical phased arrays: part5                  Comments, W9OAM      10  Mar 84
Vertical phased arrays: part6                  K2BT                 45  May 84
Vertical radiators                             W4OQ                 16  Apr 73
Vertical, top-loaded 80 meter                  VE1TG                48  Jun 69
Vertical-tower antenna system                  W4OQ                 56  May 73
Verticals over REAL ground                     WB9VWA               35  Jan 84
Vibration Induced Yagi Fatique Failures        K5IU                  9  Aug 89
W2PV 80-meter quad                             K1GQ                 56  May 86
WBJK antenna for 40, 30 and 20 meters          N6YC                  9  May 88
WBJK antenna, a new look at                    OD5CG                60  Jul 81
Whips and loops as apartment antennas          W2EEY                80  Mar 68
Wilson Mark II and IV, modifications to (HN)   W9EPT                89  Jan 80
Windom antenna (letter)                        K6KA                  6  Nov 78
Windom antenna, four-band                      W4VUO                62  Jan 74
Windom antenna, four-band                      Correction:          74  Sep 74
                                               letter
Windom antennas                                K4KJ                 10  May 78
Yagi beam elements, aligning (HN)              WA2SON               79  Jan 81
Yagis, designing with the Commodore 64         WA3EKL               59  Jun 83
Yagis, stacking is a science                   K1FO                 18  May 85
Zepp antenna, extended                         W6QVI                48  Dec 73
ZL special antenna, 10-meter, for indoor use   K5AN                 50  May 80
ZL special antenna, understanding the          WA6TKT               38  May 76

antennas and transmission lines - vhf antennas

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
10-GHz dielectric antenna (HN)                 WA4WDL               80  May 75
1296-MHz antenna, high-gain                    W3AED                74  May 78
1296-MHz Yagi array                            W3AED                70  May 75
144-MHz antenna, 5/8-wavelength built from     WB4WSU               67  Jun 74
CB mobile whip (HN)
144-MHz collinear uses PVC pipe mast (HN)      K8LLZ                66  May 76
144-MHz mobile antenna                         WD8QIB               68  May 79
144-MHz mobile antenna (HN)                    W2EUQ                80  Mar 77
144-MHZ vertical mobile antennas, 1/4 and      W2LTJ, W2CQH         46  May 76
5/8 wavelength, test data on
144-MHz vertical, 5/8-wavelength               K6KLO                40  Jul 74
144-MHZ, 5/8-wavelength vertical               W1RHN                50  Mar 76
144-MHz, 5/8-wavelength, vertical antenna      K4LPQ                42  May 76
for mobile
2-meter J-pole antenna, all-metal              KD8JB                42  Jul 84
2-meter J-pole antenna, all-metal              Comments, K2WWT,      8  Feb 85
                                               KD8JB
2-meter J-pole antenna, all-metal              Comments,             8  Nov 85
                                               DJ0TR/OE8AK
2-meter V-antenna                              AD1B                 86  Jan 84
432-MHz high-gain Yagi                         K6HCP                46  Jan 76
432-MHz high-gain Yagi                         Comments, W0PW       63  May 76
432-MHz OSCAR antenna (HN)                     W1JAA                58  Jul 75
7-MHz attic antenna (HN)                       W2ISL                68  May 76
Antenna insulators, PTFE VHF                   W5JTL                98  Oct 85
Antenna-performance measurements using         W5CC/W4RXY           75  May 79
celestial sources
Antennas for satellite communications, simple  K4GSX                24  May 74
Applied Yagi antenna design, part 1: a 2-      WB3BGU               14  May 84
meter classic revisited
Applied Yagi antenna design, part 2: 220 MHz   WB3BGU               33  Jun 84
and the Greenblum design data
Applied Yagi antenna design, part 3: 432 MHz   WB3BGU               73  Jul 84
with Knadle and Tillon
Applied Yagi antenna design, part 4: a 50-     WB3BGU              103  Aug 84
MHz Tilton/Greenblum design
Applied Yagi antenna design, part 5:           WB3BGU               93  Sep 84
additional optimization techniques
Circularly-polarized ground-plane antenna      K4GSX                28  Dec 74
for satellite communications
Colagi antenna, The                            VE3BFM               61  May 86
Collinear antenna (letter)                     W6SAI                70  Oct 71
Collinear antenna for two meters, nine-        W6RJO                12  May 72
element
Collinear antenna, four element 440-MHz        WA6HTP               38  May 73
Collinear array for two meters, 4-element      WB6KGF                8  May 71
Collinear, six meter                           K4ERO                59  Nov 69
Computer-aided design of long VHF Yagi         VK4ZF                28  May 86
antennas
Converting low-band mobile antenna to 144-     K7ARR                90  May 77
MHz (HN)
Corner reflector antenna, 432 M Hz             WA2FSQ               24  Nov 71
Cubical quad, economy six-meter                W6DOR                50  Apr 69
Cylindrical feedhorns revisited                WA9HUV               29  Feb 86
Dual quad array for two meters                 W7SLO                30  May 80
Efficient matching                             VE7BS                83  Sep 83
Efficiently launch-VHF/UHF wave                W3HWC                63  Oct 88
Fastening Trigon reflectors to VHF antennas    W5JTL                88  Sep 84
(HN)
Feed horn, cylindrical, for parabolic          WA9HUV               16  May 76
reflectors
Folded whip antenna for vhf mobile -           WB2IFV               50  Apr 79
Weekender
Ground plane, 2-meter, 0.7 wavelength          W3WZA                40  Mar 69
Ground plane, portable vhf (HN)                K9DHD                71  May 73
Ham notebook: a 2-meter halo antenna           NR5A                 63  May 87
Ham radio techniques                           W6SAI                32  Sep 81
Ham Radio Techniques: the Yagi optimizer       W6SAI                68  Apr 90
Handi-antennas                                 AA6PZ                42  May 83
Helical antenna matching                       Belliveau, John      73  May 88
High-performance Yagis for 432 MHz             K1FO                  8  Jul 87
High-performance Yagis for 432 MHz             Comments, KLM         6  Sep 87
                                               balun
High-performance Yagis for 432 MHz             Short circuit        97  Oct 87
Improved High-Performance Yagis for 432 MHz    K1FO                  9  May 89
Inexpensive five-eighth wave groundplane (HN)  W7CD                 84  Mar 81
Inexpensive half-wave 2-meter mobile antenna   WE7C                 32  Feb 90
J-pole antenna for 6-meters                    K4SDY                48  Aug 68
Log-periodic, yagi beam                        K6RIL, W6SAI          8  Jul 69
Log-periodic, yagi beam                        Correction           68  Feb 70
Long 2-meter collinears - a simple way to      WB3AYW               95  May 86
achieve gain (HN)
Magnet-mount antenna, portable (HN)            WB2YYU               67  May 76
Magnetic mount for mobile antennas             W0HK                 52  Nov 78
Matching 432-MHz helical antennas              W8NWU                44  Mar 83
Matching techniques for vhfiuhf antennas       W1JAA                50  Jul 76
Microwave antenna, homebrew                    WB0VGI, Johnson      68  Sep 82
Microwave antenna, Low-cost                    K6HIJ                52  Nov 69
Microwave-antenna designers, challenge for     W6FOO                44  Aug 80
Mobile antenna, magnet-mount                   W1HCI                54  Sep 75
Mobile antenna, six-meter (HN)                 W4PSJ                77  Oct 70
Mobile antennas, vhf, comparison of            W4MNW                52  May 77
Moonbounce antenna, practical 144-MHz          K6HCP                52  May 70
Multiband J antenna                            WB6JPI               74  Jul 78
Oscar antenna, mobile (HN)                     W6OAL                67  May 76
Oscar az-el antenna system                     WA1NXP               70  May 78
Parabolic reflector antennas                   VK3ATN               12  May 74
Parabolic reflector element spacing            WA9HUV               28  May 75
Parabolic reflector gain                       W2TQK                50  Jul 75
Parabolic reflector, 16-foot homebrew          WB6IOM                8  Aug 69
Parabolic reflectors, finding the focal        WA4WDL               57  Mar 74
length (HN)
Quad-yagi arrays, 432- and 1296-MHz            W3AED                20  May 73
Quad-yagi arrays, 432- and 1296-MHz            Short circuit        58  Dec 73
Re-entrant cavity antenna for the VHF bands    W4FXE                12  May 81
Repeater antenna beam tilting                  K7NM                 29  May 83
Repeater antenna beam tilting                  Short circuit        80  Jul 83
Simple antennas, 144-MHz                       WA3NFW               30  May 73
Switch, antenna for 2 meters, solid-state      K2ZSQ                48  May 69
True north, how to determine for antenna       K4DE                 38  Oct 80
orientation
True north, how to determine for antenna       Comments, N6XQ,       7  Mar 81
orientation                                    K4DE
TV to 2-meter antenna conversion (Weekender)   N4FQO                23  Jan 90
Two-meter antenna, simple (HN)                 W6BLZ                78  Aug 68
Two-meter fm antenna (HN)                      WB6KYE               64  May 71
Two-meter mobile antennas                      W6BLZ                76  May 68
Using a 2-meter quarter-wave whip on 450 MHz   K1ZJH                92  May 81
(HN)
Vertical antennas, truth about 5/8-wavelength  K0DOK                48  May 74
Vertical antennas, truth about 5/8-wavelength  Added note           54  Jan 75
                                               (letter)
VHF antenna null, achieving the perfect        K3ED                 48  May 83
Vhf antenna switching without relays (HN)      K2ZSQ                76  Sep 68
VHF Yagi CAD on the C-64                       W4PFZ                70  Sep 86
VHF/UHF Antennas                               NH6N                 84  Jul 89
VHF/UHF world                                  W1JR                110  May 84
VHF/UHF world                                  W1JR                 85  Dec 85
VHF/UHF world: Designing and building loop     Short circuit        54  Jan 86
Yagis
VHF/UHF world: Designing and building loop     W1JR                 56  Sep 86
Yagis
VHF/UHF world: minimum requirements for 2-     W1JR                 39  Aug 87
meter EME - part1
VHF/UHF world: optimized 2- and 6-meter Yagis  W1JR                 92  May 87
VHF/UHF world: optimized 2- and 6-meter Yagis  Short circuit        49  Jul 87
VHF/UHF world: optimized 2- and 6-meter Yagis  Short circuit        41  Aug 87
VHF/UHF world: stacking antennas, part1        W1JR                129  Apr 85
VHF/UHF world: stacking antennas, part2        W1JR                 95  May 85
VHF/UHF world: Yagi facts and fallacies        W1JR                103  May 86
Whip, 5/8-wave, 144-MHz (HN)                   VE3DDD               70  Apr 73
Yagi antennas, how to design                   W1JR                 22  Aug 77
Yagi triangular array                          W2IKP                42  May 87
Yagi trigon reflector, Optimizing              WB3BGU               84  Jan 86
Yagi uhf antenna simplified (HN)               WA3CPH               74  Nov 79
Yagi, 1296-MHz                                 W2CQH                24  May 72
Yagi, a high-gain 70-cm                        W1JR                 75  Dec 86
Yagi, a high-gain 70-cm                        Short circuit        68  Feb 87
Yagis, stacking is a science                   K1FO                 18  May 85

antennas and transmission lines - matching and tuning

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Active antenna coupler for VLF                 Burhans, Ralph W.    46  Oct 79
Antenna bridge calculations                    Anderson,            34  May 78
                                               Leonard H.
Antenna bridge calculations                    K6GK                 85  Mar 81
Antenna bridge calculations                    Short circuit        84  Nov 81
Antenna bridge calculations (letter)           W5QJR                 6  Aug 78
Antenna coupler for three-band beams           ZS6BT                42  May 72
Antenna coupler, six-meter                     K1RAK                44  Jul 74
Antenna impedance transformer for receivers    W6NIF                70  Jan 70
(HN)
Antenna instrumentation, simple, (repair       K4IPV                71  Jul 77
bench)
Antenna match, quick and simple                Anderson,            58  Jan 81
                                               Leonard H.
Antenna match, quick and simple                Short circuit        70  Feb 82
Antenna matcher, one-man                       W4SD                 24  Jun 71
Antenna matching, easy                         WB4GCS               67  May 84
Antenna tuner (HN)                             W6XM                 94  May 83
Antenna tuner adjustment (HN)                  WA4MTH               53  Dec 75
Antenna tuner for optimum power transfer       W2WLR                28  May 70
Antenna tuner with a new twist (Weekender)     W7CSD                59  Jun 90
Antenna tuner, automatic                       WA0AQC               36  Nov 72
Antenna tuner, medium-power toroidal           WB2ZSH               58  Jan 74
Antenna tuners                                 W3FQJ                58  Dec 72
Antenna tuners (ham radio techniques)          W6SAI                30  Jul 81
Antenna tuning units                           W3FQJ                58  Jan 73
Balun design, another                          W6HPH                54  May 82
Balun, adjustable for yagi antennas            W6SAI                14  May 71
Balun, coreless                                WA2SON               62  May 81
Balun, simplified (HN)                         WA0KKC               73  Oct 69
Baluns, wideband bridge                        W6SAI, WA6BAN        28  Dec 68
Broadband Antenna Baluns                       W6SAI                 6  Jun 68
Broadband balun, high performance              K4KJ                 28  Feb 80
Broadband balun, simple and efficient          W1JR                 12  Sep 78
Broadband reflectometer and power meter        VK2ZTB, VK2ZZQ       28  May 79
Broadband RF transformers                      K2LB                 75  Jan 86
Capacitively coupled hybrids                   WA2EWT               70  Mar 83
Coaxial-line transformers, a new class of      W6TC                 12  Feb 80
Coaxial-line transformers, a new class of      Short circuit        70  Mar 80
Coaxial-line transformers, a new class of      Short circuit        67  Sep 80
Couplers, random-length antenna                W2EEY                32  Jan 70
Designing trap antennas: a new approach        W0JF                 60  Aug 87
Dummy loads                                    W4MB                 40  Mar 76
Efficient matching                             VE7BS                83  Sep 83
Elmer's notebook: antenna tuner                W1SL                102  May 88
Elmer's notebook:antenna tuner                 W1SL                 83  Apr 88
Feeding and matching techniques for vhf/uhf    W1JAA                54  May 76
antennas
Gamma matching programs for the C-64/128       N0CAO                87  May 87
Gamma matching, basic                          WB0IKN               29  Jan 85
Gamma-match capacitor, remotely controlled     K2BT                 74  May 75
Gamma-matching networks, how to design         W7ITB                46  May 73
Half-wave balun: theory and application        K4KJ                 32  Sep 80
Ham radio techniques                           W6SAI                42  Oct 81
Ham radio techniques                           W6SAI                65  Jan 84
Ham radio techniques                           W6SAI                63  Feb 84
Ham radio techniques                           Comments, K4KYV      12  May 84
                                               (Feb 84)
Ham radio techniques                           Comments, WA2DRL      8  Sep 84
                                               (Jan 84)
Ham radio techniques                           Comments, WD6DUD      8  Sep 84
                                               (Feb 84)
Ham radio techniques                           Comments, AD1G        8  Dec 84
                                               (Feb 84)
Ham Radio techniques: "radio ground" on 160    W6SAI                53  Mar 88
meters
Ham radio techniques: Antenna Matching         W6SAI                54  Nov 89
Systems
Ham Radio Techniques: Interesting Antenna      W6SAI                39  Oct 89
Fed Systems
Ham Radio Techniques: The Gamma Match An       W6SAI                56  Aug 89
Update
Helical antenna matching                       Belliveau, John      73  May 83
HF hybrid descriptions                         W5TRS                80  Oct 83
High-frequency mobile antenna matcher, simple  W6BCX                28  Jun 81
Hybrid ring                                    WA2EWT               50  Aug 83
Impedance bridge, low-cost RX                  W8YFB                 6  May 73
Impedance matching                             WB2NTQ               85  Jul 83
Impedance matching                             Comment, K0CQ        95  Nov 83
Impedance Matching Transformers and Ladder     KZ3K                 49  May 89
Line
Impedance-matching baluns, open-wire           W6MUR                46  Nov 73
Impedance-matching systems, designing          W7CSD                58  Jul 73
Improving operation with the MFJ 989           W4RNL                24  Nov 88
transmatch (Weekender)
Johnson Matchbox, improved                     K4IHV                45  Jul 79
Johnson Matchbox, improved                     Short circuit        92  Sep 79
L-Match, A Useful Tool for Improving Your SWR  W3VT                 29  Feb 89
L-Matching network, appreciating the           WA2EWT               27  Sep 80
Loads, affect of mismatched transmitter        W5JJ                 60  Sep 69
Low swr, how important?                        W1GV/4               33  Aug 81
Low swr, how important?                        Comments, K1KSY,      6  Dec 81
                                               W1GV/4
Lowpass antenna matching unit, inductance-     W0YBF                24  May 82
tuned
Macromatcher: increasing versatility           K9DCJ                68  Jun 80
Matching 432-MHz helical antennas              W8NWU                44  Mar 83
Matching complex antenna loads to coaxial      WB7AUL               52  May 79
transmission lines
Matching dipole antennas                       W1OLP               129  May 84
Matching dipole antennas                       Comments, W5XW       12  Apr 85
Matching sections                              KL7HIT               68  Mar 82
Matching system, two-capacitor                 W6MUR                58  Sep 73
Matching transformers, multiple quarter-wave   K3BY                 44  Nov 78
Matching, antenna, two-band with stubs         W6MUR                18  Oct 73
Measuring complex impedance with swr bridge    WB4KSS               46  May 75
Mobile transmitter, loading                    W4YB                 46  May 72
Noise bridge calculations with TI 58/59        WD4GRI               45  May 78
calculators
Noise bridge construction (letter)             OH2ZAZ                8  Sep 78
Noise bridge for impedance measurements        YA1GJM               62  Jan 73
Noise bridge for impedance measurements        Added notes          66  May 74
Noise bridge for impedance measurements        Added notes          60  Mar 75
Noise bridge for impedance measurements        Comments, W6BXI       6  May 79
Noise bridge, antenna                          WB2EGZ               18  Dec 70
Noise bridge, antenna (HN)                     K8EEG                71  May 74
Omega-matching networks, design of             W7ITB                54  May 78
Optimum pi-network design                      DL9LX                50  Sep 80
Phase meter, rf                                VE2AYU, Korth        28  Apr 73
Phased arrays, feeding: an alternative method  KB8I                 58  May 85
Phased arrays, feeding: an alternative method  Short circuit        74  Jul 85
Phasometer (Weekender)                         K9MLD, K9PIQ         28  Jun 90
Pi network equations                           K4MT                109  Oct 88
Practically speaking: impedance matching       K4IPV                27  Aug 88
Practically Speaking: Parts for Antenna        K4IPV                83  Jan 89
Tuners and Linears .. Plus a Correction
Quadrifilar toroid (HN)                        W9LL                 52  Dec 75
Remote tuner for 75-meter mobiles (weekender)  K9MLD                36  Oct 88
RF current loop (HN)                           K9PIQ                42  Mar 90
RX noise bridge, improvements to               W6BXI, W6NKU         10  Feb 77
RX noise bridge, improvements to               Comments            100  Sep 77
Simple 75-ohm Hardline to 50-ohm Match         K9EYY                63  Jun 89
Stub-switched, stub-matched antennas           W2EEY                34  Jan 69
Swr alarm circuits                             W2EEY                73  Apr 70
Swr bridge                                     WB2ZSH               55  Oct 71
Swr bridge and power meter, integrated         W6DOB                40  May 70
Swr bridge readings (HN)                       W6FPO                63  Aug 73
Swr indicator, aural, for the visually         K6HTM                52  May 76
handicapped
Swr meter                                      W6VSV                 6  Oct 70
Swr meter                                      WB6AFT               68  Nov 78
Swr meter for the high-frequency bands         WB6AFT               62  Oct 81
Swr meter, how accurate? (HN)                  WB9TQG               78  Jan 81
Swr meter, improving (HN)                      W5NPD                68  May 76
Swr, what is your?                             N4OE                 68  Nov 79
T-Network impedance matching to coaxial        W6EBY                22  Sep 78
feedlines
Tandem pi networks                             W6MUR                32  Jul 82
Testing baluns                                 K4KJ                 30  Aug 83
The series section transformer                 W7XC                 55  Jun 90
Transformers, coaxial-line                     W6TC                 18  Mar 80
Transmatch, five-to-one                        W7IV                 54  May 74
Transmission lines, grid dipping (HN)          W2OLU                72  Feb 71
Transmission lines, uhf                        WA2VTR               36  May 71
Uhf coax connectors (HN)                       W0LCP                70  Sep 72
Updating the Viking MB-VA antenna tuner (HN)   VE7GWO               43  Mar 90
VHF/UHF Antennas                               NH6N                 84  Jul 89

antennas and transmission lines - towers and rotators

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Antenna and rotator preventive maintenance     WA1ABP               66  Jan 69
Antenna and tower restrictions                 W7IV                 24  Jan 76
Antenna carriage and track pole mount          KB3K                 46  Aug 83
Antenna guys and structural solutions          W6RTK                33  Jun 78
Antenna hinge                                  N4LI                 70  Aug 83
Antenna mast, build your own tilt-over         W6KRT                42  Feb 70
Antenna mast, build your own tilt-over         Correction           76  Sep 70
Antenna position display                       AE4A                 18  Feb 79
Antenna tower, fixed, tilt-over conversion     PA0SE               125  May 85
Armstrong beam rotator                         KP4DM                68  Feb 82
Automatic Rotor Brake Delay, The Weekender:    WA1SPI               89  Aug 89
AUTOTRAK, A simple rotor interface board for   K7NH                 10  Dec 87
the C-64, VIC-20, etc
Az-el antenna mount for satellite              W2LX                 34  Mar 75
communications
CDE tailtwister rotor, pulse-position          WB4EXW               30  Jan 81
control of
Cornell-Dubilier rotators (HN)                 K6KA                 82  May 75
Ham Notebook: Crank-up Tower Cable Guides      A Bachelor           54  Feb 89
Ham notebook: simple tower guards              K1ZJH                39  Sep 88
Ham-M modifications (HN)                       W2TQK                72  May 76
Ham-M rotator automatic position control       WB6GNM               42  May 77
Ham-M rotator control box, modification of     K4DLA/W1RDR          68  Nov 80
(HN)
Keep your tower up                             KB9IW                26  Jun 84
Keeping your beam, tips for                    W6BLZ                50  Aug 68
KLM antenna rotor, computer control for (HN)   W8MQW                66  Feb 81
Match your antenna to your tower               WD0DGF               14  Jun 84
Pipe antenna masts, design data for            W3MR                 52  Sep 74
Pipe antenna masts, design data for            Added design         75  May 75
                                               notes (letter)
Rotator for medium-sized beams                 K2BT                 48  May 76
Rotator starting capacitors (letter)           W6WX                 92  Sep 79
Rotator starting capacitors (letter)           Short circuit        70  Mar 80
Rotator, AR-22, fixing a sticky                WA1ABP               34  Jun 71
Rotator, T-45, Improvement (HN)                WA0VAM               64  Sep 71
Stress analysis of antenna systems             W2FZJ                23  Oct 71
Telescoping tv masts (HN)                      WA0KKC               57  Feb 73
Tilt-over tower uses extension ladder          W5TRS                71  May 75
Tiltover tower base, low-cost                  WA1ABP               86  Apr 68
Tower guying (HN)                              K9MM                 98  Nov 77
Tower installation: make it sturdy, make it    WB5IIR               22  Jun 84
safe
Tower, homemade tilt-over                      WA3EWH               28  May 71
Tower, wind-protected crank-up                 HN                   74  Oct 69
Towers and rotators                            K6KA                 34  May 76
Turning that big array                         VE3AIA               10  Jun 86
UHF antenna tower, low-cost                    KA6GVY               30  Oct 84
Wind loading on towers and antenna             K4KJ                 16  Aug 74
structures, how to calculate
Wind loading on towers and antenna             Added note           56  Jul 75
structures, how to calculate

antennas and transmission lines - transmission lines

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
75-ohm CATV cable in amateur installations     W7VK                 28  Sep 78
75-ohm CATV hardline matching to 50-ohm        K1XX                 31  Sep 78
systems
Antenna-transmission line analog, part 1       W6UYH                52  Apr 77
Antenna-transmission line analog, part 2       W6UYH                29  May 77
Antiflex coaxial cable connection (HN)         W4KV                 42  May 82
Artificial Transmission lines                  KA8OBL               21  Jul 86
Balun, coaxial                                 WA0RDX               26  May 77
Bridge measurements, the half-wave             K4KI                108  Nov 84
transmission line in (HN)
Cheapie coax (letter)                          WB4AHZ                8  May 82
Coax cable dehumidifier                        K4RJ                 26  Sep 73
Coax cable, repairing water damage (HN)        W5XW                 73  Dec 79
Coax cable, salvaging water-damaged (HN)       W5XW                 88  Jan 80
Coax connectors, repairing broken (HN)         W0HKF                66  Jun 70
Coax, Low-cost (HN)                            K6BIJ                74  Oct 69
Coax, measuring with an RCL bridge (HN)        WB9TQG               78  Oct 82
Coaxial cable (C&T)                            W1DTY                50  Jun 76
Coaxial cable connectors (HN)                  WA1ABP               71  Mar 69
Coaxial cable connectors, homebrew hardline-   K2YOF                32  Apr 80
to-uhf
Coaxial cable supports (HN)                    W2GA                 56  Jun 68
Coaxial cable, checking (letter)               W2OLU                68  May 71
Coaxial cable, what you know about             W9ISB                30  Sep 68
Coaxial cable, what you need to know about     W9ISB                30  Sep 68
Coaxial connectors can generate rfi            W1DTY                48  Jun 76
Coaxial connectors, sealing, (HN)              W5WX                 64  Mar 80
Coaxial connectors, sealing, (HN)              Letter, K7ZFG         6  Oct 80
Coaxial feedthrough panel (HN)                 W3URE                70  Apr 69
Coaxial transmission lines, underground        W0FCH                38  May 70
Coaxial-cable fittings, type-F                 K2MDO                44  May 71
Coaxial-line loss, measuring with              W2VCI                50  May 72
reflectometer
Coaxial-line transformers, a new class of      W6TC                 12  Feb 80
Coaxial-line transformers, a new class of      Short circuit        70  Mar 80
Coaxial-line transformers, a new class of      Short circuit        67  Sep 80
Connectors for CATV coax cable                 W1IIM                52  Oct 79
Copper pipe transmission lines                 WA2EWT, WA4BUS       34  Jan 90
Elmer's notebook: transmission lines           W1SL                 90  Mar 88
General purpose line transformers              W6IOJ                94  Aug 86
Ham radio techniques, fifty years ago          W6SAI                58  Jun 84
Ham Radio Techniques: A Balun for 10 Meters    W6SAI               103  Jan 89
Ham Radio Techniques: Coax Revisited           W6SAI                21  Jun 89
Hardline connectors, inexpensive               WB4GCS               62  May 83
Hardline connectors, inexpensive               Comments, KM1H        8  Nov 83
Hardline, matching 75 to 50-ohm                W4VRV                43  Oct 82
Hybrid coupler                                 W1OOP                36  Jun 82
Impedance Matching Transformers and Ladder     KZ3K                 49  May 89
Line
Impedance transformer, non-synchronous (HN)    W5TRS                66  Sep 75
Impedance transformer, non-synchronous (HN)    Comments, W3DVO      63  May 76
Matching 75-ohm CATV hardline to 50-ohm        K1XX                 31  Sep 78
system
Matching transformers, multiple quarter-wave   K3BY                 44  Nov 78
Measuring coax cable loss with an swr meter    W89TOG               35  May 81
Measuring coax cable loss with an swr meter    Comments,             6  Sep 81
                                               WD4KMP, WB9TQG
Measuring coax cable loss with an swr meter    Comments, W4PPB       8  Feb 82
Measuring transmission line parameters         OE2APM/AA3K          22  Sep 88
Novel Method for Measuring Cable Attenuation   OE2APM               65  May 89
Open-wire feedthrough insulator (HN)           W4RNL                79  May 75
Open-wire line for 2 meters                    N4UH                 94  Jan 87
Pi, pi-L, and tandem quarter-wave line         W6MUR                12  Feb 82
matching networks, response of
PL-259 connectors, attaching to RG-58/U        W5BVF                81  Jan 82
cable (HN)
Plumber's delight coax connector (weekender)   N4LI                 50  May 81
Practically speaking: amplifier tuning         K4IPV                78  Nov 86
problem
Practically speaking: standing waves- a        K4IPV                85  Oct 88
review
Practically speaking: transmission lines and   K4IPV                34  Sep 88
their typical AC responses
Real coax: impedance and phase relationships   K2BT                  8  Apr 87
Real coax: impedance and phase relationships   Short circuit        91  Jul 87
Remote switching multiband antennas            G3LTZ                68  May 77
Rf power divider (HN)                          W5TRS                80  Feb 82
RF transmission cable, microwave applications  K3HW                106  May 85
Single feedline for multiple antennas          K2ISP                58  May 71
Solenoid rotary switches                       W2EEY                36  Apr 68
Solving transmission line problems on your     K9CZB                74  May 86
Commodore 64
Solving transmission line problems on your     Short circuit        87  Jul 86
Commodore 64
T coupler, the (HN)                            K3NXU                68  Nov 80
Time domain reflectometer                      VE3EFC               49  Nov 83
Time-domain reflectometry, checking            K7CG                 32  Jul 80
transmission lines with
Transformers, coaxial-line                     W6TC                 18  Mar 80
Transmission line calculations using your      W5TRS                40  Nov 76
pocket calculator for
Transmission lines, long, for optimum          N4UH                 12  Oct 80
antenna location
Transmission-line circuit design for 50 MHz    W6GGV                38  Nov 80
and above
Transmission-line design, Pt. 2: distributed   W6GGV                62  Jan 81
resonant circuits in uhf/vhf lines
Transmission-line design, Pt. 3: distributed   W6GGV                56  Feb 81
resonant circuits in vhf/uhf lines
Transmission-line design, Pt. 4: distributed   W6GGV                64  Mar 81
resonant circuits In vhf/uhf lines
Transmission-line design, Pt. 5: 50 MHz and    W6GGV                72  Apr 81
above
Transmit/receive switch, solid-state vhf-uhf   W4NHH                54  Feb 78
Tuner, receiver (HN)                           WA7KRE               72  Mar 69
Tuner, wall-to-wall antenna (HN)               W2OUX                56  Dec 70
Uhf microstrip swr bridge                      W4CGC                22  Dec 72
VHF/UHF world                                  W1JR                 85  Dec 85
VHF/UHF world: transmission lines              W1JR                 83  Oct 85
VHF/UHF world: transmission lines              Comments W9ICZ        9  Apr 86
VSWR indicator, computing                      WB9CYY               58  Jan 77
VSWR indicator, computing                      Short circuit        94  May 77
Zip-cord feedlines (HN)                        W7RXV                32  Apr 78
Zip-cord feedlines (letter)                    WB6BHI                6  Oct 78

audio

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
75-Hz wide audio filter                        W2OBJ                14  Jan 90
A deep notch resonant filter                   W0THM                63  Feb 90
Active filters                                 K6JM                 70  Feb 78
Add-on selectivity for communications          G4GMO                41  Nov 81
receivers
Advanced CW processor                          W6NRW                25  Dec 86
An improved AGC Circuit                        W8WFH                72  Sep 89
Audio agc principles and practice              WA5SNZ               28  Jun 71
Audio amplifier and squelch circuit            W6AJF                36  Aug 68
Audio CW filter                                W7D1                 54  Nov 71
Audio filter building blocks                   KB0CY                74  Jul 83
Audio filter design, computer-aided            KE2J                 15  Oct 85
Audio filter design, elliptic lowpass          W3NQN                20  Feb 84
Audio filter, tunable, for weak-signal         K6HCP                28  Nov 75
communications
Audio filters, aligning (HN)                   W4ATE                72  Aug 72
Audio filters, inexpensive                     W8YFB                24  Aug 72
Audio fitter mod (HN)                          K6HIL                60  Jan 72
Audio mixer (HN)                               W6KNE                66  Nov 76
Audio module, a complete                       K4DHC                18  Jun 73
Audio oscillator to pulse generator            W0DLO                50  Oct 84
conversion (HN)
Audio processor, communications for reception  W6NRW                71  Jan 80
Audio response, tailoring (HN)                 N1FB                 42  May 82
Audio to microwave amplifier, build your own   Gruchalla,           12  Mar 84
                                               Michael
Audio transducer (HN)                          WA1OPN               59  Jul 75
Audio-oscillator module, Cordover              WB2GQY               44  Mar 71
Audio-oscillator module, Cordover              Correction           80  Dec 71
Audio-power integrated circuits                W3FQJ                64  Jan 76
Aural vco provides relative metering           K1ZJH                97  Jan 87
Automatic gain control, an audio               K7NM                 24  Sep 84
Better audio for mobile operation              K6GCO                48  Feb 81
Binaural CW reception, synthesizer for         W6NRW                46  Nov 75
Binaural CW reception, synthesizer for         Comment              77  Feb 77
Build a QSO "beeper"                           KF6CU                38  Jan 88
Code practice oscillator (weekender)           N2DCH                65  Oct 88
Compressor, dual channel                       W2EEY                40  Jul 68
Converting mobile microphones for handheld     KD8KZ, WB3JCC        79  Mar 86
VHF transceivers
CW acoustical filter                           W7BI                 22  Jan 83
CW and RTTY, digital audio filter for          W1OER                60  Aug 83
CW and RTTY, digital audio filter for          Short circuit       199  Aug 84
Distortion and splatter                        K5LLI                44  Dec 70
Duplex audio-frequency generator with AFSK     WB6AFT               66  Sep 79
features
Dynamic microphones (C&T)                      W1DTY                46  Jun 76
Extended-range VU meter                        WB6JNN               59  Sep 86
Filter for CW, tunable audio                   WA1JSM               34  Aug 70
Filter, lowpass audio, simple                  OD5CG                54  Jan 74
Filter, simple audio                           W4NVK                44  Oct 70
Filter, tunable peak-notch audio               W2EEY                22  Mar 70
Filter, variable bandpass audio                W3AEX                36  Apr 70
Filter-frequency translator for CW             W2EEY                24  Jun 70
reception, Integrated audio
Gain control IC for audio signal processing    Jung                 47  Jul 77
Ham Notebook: Mobile HT Audio, The Near        W9PXP                68  Aug 89
Ultimate Solution
Handheld transceiver, audio amplifier for      N1RM                 38  Jul 81
Hang agc circuit for ssb and CW                W1ERJ                50  Sep 72
Headphone cords (HN)                           W2OLU                62  Nov 75
Headphones, dual-impedance (HN)                AB9Q                 80  Jan 79
Headphones, lightweight                        K6KA                 34  Sep 68
Heath HW-2036 mods (letter)                    Mosher, E.A.          8  Jun 81
Impedance match, microphone (HN)               W5JJ                 67  Sep 73
Improving the audio on the ICOM IC-27          KD8KZ                61  Feb 86
Increased flexibility for the MFJ              K3NEZ                58  Dec 76
Enterprises CW filters
Intercom, simple (HN)                          W4AYV                66  Jul 72
Microphone preamplifier with agc               Bryant               28  Nov 71
Microphone, using Shure 401A withDrake TR.4    G3XOM                68  Sep 73
(HN)
Microphones and simple speech processing       W1OLP                30  Mar 80
Microphones and simple speech processing       Letter, W5VWR         6  Sep 80
Microphones, muting (HN)                       W6IL                 63  Nov 75
Modifying microphones                          VE7CB/W6             81  Jan 87
Multiband Speech Processor                     KL7ISA               32  Apr 89
Notch filter, tunable RC                       WA5SNZ               16  Sep 75
Notch filter, tunable RC                       Comment              78  Apr 77
Oscillator, audio, IC                          W6GXN                50  Feb 73
Oscillator-monitor, solid-state audio          WA1JSM               48  Sep 70
Passive audio filter design, part 2:           Niewiadomski, S.     41  Oct 85
highpass and bandpass filters
Passive audio filter design, part 2:           Comments, W3NQN       8  Nov 85
highpass and bandpass filters
Passive audio filter design, part 3            Stefan               29  Jan 86
                                               Niewiadomski
Phone patch                                    W8GRG                20  Jul 71
Phone patch using junk-box parts               K7NM                 40  Oct 80
Phone patches, building and using              N6ARE                34  Oct 85
Power speaker enhances mobile operation        K1ZJH                83  Jan 88
Pre-emphasis for asb transmitters              OH2CD                38  Feb 72
Processor for code tapes                       W4ULD                61  Sep 88
RC active filters (letter)                     W6NRM               102  Jun 78
RC active filters using op amps                W4IYB                54  Oct 76
Receivers, better audio for                    K7GCO                74  Apr 77
Repeaters, speech synthesis for                N9EE                 79  Mar 84
Rf clipper for the Collins S-line              K6JYO                18  Aug 71
Rf speech processor, ssb                       W2MB                 18  Sep 73
Sight and sound CW                             W6NRW                10  Jan 88
Simulated carbon microphones, using with       W9MKV                18  Oct 81
Amateur transmitters
Solo-16 Acoustic CW Speaker:The Weekender,     K1BQT                12  Mar 89
Speaker-driver module, IC                      WA2GCF               24  Sep 72
Speech amplifiers, curing distortion           Allen                42  Aug 70
Speech clipper, IC                             K6HTM                18  Feb 73
Speech clipper, IC                             Added notes          64  Oct 73
                                               (letter)
Speech clippers, rf                            G6XN                 26  Nov 72
Speech clippers, rf                            G6XN                 12  Dec 72
Speech clippers, rf                            Added notes          58  Aug 73
Speech clippers, rf                            Added notes          72  Sep 74
Speech clipping (letter)                       W3EJD                72  Jul 72
Speech clipping in single-sideband equipment   K1YZW                22  Feb 71
Speech compressor (HN)                         Novotny              70  Feb 76
Speech processing                              W1DTY                60  Jun 68
Speech processing technique, split audio band  W1DTY                30  Jun 76
Speech processing, principles of               ZL1BN                28  Feb 75
Speech processing, principles of               Added notes          75  May 75
Speech processing, principles of               Added notes          64  Nov 75
Speech processing, split-band (letter)         Schreuer, N7WS       74  Feb 80
Speech processor for ssb, simple               K6PHT                22  Apr 70
Speech processor, audio-frequency              K3PDW                48  Aug 77
Speech processor, audio-frequency              Short circuit        68  Dec 77
Speech processor, IC                           VK9GN                31  Dec 71
Speech processor, logarithmic                  WA3FIY               38  Jan 70
Speech processor, split-band (letter)          WA2SSO                6  Dec 79
Speech processors (letter)                     K3ND                  6  Aug 80
Speech systems, improving                      K2PMA                72  Apr 78
Squelch, audio-actuated                        K4MOG                52  Apr 72
Synthesizer-filter, binaural                   W6NRW                52  Nov 76
Tape head cleaners (letter)                    K4MSG                62  May 72
Tape head cleaning (letter)                    Buchanan             67  Oct 72
Telephone ring indicator, visual (HN)          W2QLI                62  Apr 84
TR-2400, external microphone for (HN)          WB2IFV               64  Mar 82
Understanding telephones                       N6ARE                39  Sep 85
Understanding telephones                       Comments, KD7WL       9  Apr 86
Variable-frequency audio filter                W4VRV                62  Apr 79
Voice-band equalizer                           WB2GCR               50  Oct 80
Voice-operated gate for carbon microphones     W6GXN                35  Dec 77

commercial equipment

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
3-500Z tube failure (HN)                       AG6K                 78  Oct 82
300-Hz crystal filter for Collins receivers    W1DTY                58  Sep 75
300-Hz crystal filter for Collins receivers    G3UFZ                90  Jan 78
(letter)
5CX1500A power pentode (HN)                    K9XI                 77  Oct 82
Alliance rotator improvement (HN)              K6JVE                68  May 72
Alliance T-45 rotator Improvement (HN)         WA0VAM               64  Sep 71
Amateur Radio equipment survey number two      W1SL                 52  Jan 80
An Exclusive Look At Kenwood's TS-950S         NXIG                 28  Oct 89
An improved AGC Circuit                        W8WFH                72  Sep 89
Annunciator bell for the Kantronics KPC2       K1ZJH                22  Aug 86
Argonaut 509 conversion for 30 meters (HN)     AA4LL                49  Oct 84
Atlas 180, improved vfo stability (HN)         K6KLO                73  Dec 77
Atlas 210 transceiver, sldetone (HN)           ZL2RP                67  Mar 82
Atlas 210 transceiver, sldetone (HN)           Short circuit        79  Oct 82
Atlas 350 AGC circuit, modifications (HN)      K0RL                 42  May 82
Autek filter (HN)                              K6EVO, WA6WZQ        83  May 79
C-64 and GLB PK-1 interface circuit            W2EHD                87  May 87
CAT control system for the Yaesu FT-757GX      SM6CPI               26  Nov 87
CDE tailtwister rotor, pulse-position          WE4EXW               30  Jan 81
control of
CDR AR-22 rotator, fixing a sticky             WA1ABP               34  Jun 71
Cleanup tips for amateur equipment (HN)        Fisher               49  Jun 78
Clegg 27B, S-meter for (HN)                    WA2YUD               61  Nov 74
Collins 32S cooling (HN)                       N1FB                 74  Nov 79
Collins 32S PA disable jacks                   N1FB                 65  Mar 80
Collins 32S, improved stability for (HN)       N1FB                 83  May 79
Collins 32S-1 CW modification (HN)             W1DTY                82  Dec 69
Collins 32S-1 CW modification (HN)             Correction           76  Sep 70
Collins 32S-1, updating                        N1FB                 76  Dec 78
Collins 32S-3 audio (HN)                       K6KA                 64  Oct 71
Collins 32S-series ALC meter improvement (HN)  W8FR                100  Nov 77
Collins 516F-2 high-voltage regulation (HN)    N1FB                 85  Jun 79
Collins 516F-2 low-voltage and bias            N1FB                 68  Jul 81
modification (HN)
Collins 516F-2 power supply, transient         W6AD                 31  Apr 81
protection for
Collins 516F-2 solid-state rectifiers (HN)     N1FB                 91  Feb 79
Collins 51J product detector (letter)          K5CE                  6  Oct 78
Collins 51J PTO restoration                    W6SAI                36  Dec 69
Collins 51J, modifying for ssb reception       W6SAI                66  Feb 78
Collins 70E12 PTO repair (HN)                  W6BIH                72  Feb 77
Collins 70K-2 PTO, correcting mechanical       K9WEH                58  Feb 75
backlash (HN)
Collins 75A-4 modifications (HN)               W4SD                 67  Jan 71
Collins 75A-4 receiver, improving overload     W6ZO                 42  Apr 70
response in
Collins 75A-4 receiver, improving overload     Short circuit        76  Sep 70
response in
Collins 75A4 avc mod (letter)                  W9KNI                63  Sep 75
Collins 75A4 hints (HN)                        W6VFR                68  Apr 72
Collins 75A4 noise limiter                     W1DTY                43  Apr 76
Collins 75A4 PTO, making it perform like new   W3AFM                24  Dec 74
Collins 75A4, increased selectivity for (HN)   W1DTY                62  Nov 75
Collins 75S CW sidetone (HN)                   N1FB                 93  Apr 79
Collins 75S frequency synthesizer              W6NBI                 8  Dec 75
Collins 75S frequency synthesizer              Short circuit        85  Oct 76
Collins 75S receiver, (HN)                     N1FB                 94  Oct 78
Collins 75S-3 alignment (HN)                   N1FB                 79  Jan 81
Collins 75S-series crystal adapter (HN)        K1KXA                72  Feb 77
Collins KWM-2 KWM-2A, owners' reports          WB1CHQ               22  Mar 81
Collins KWM-2, updating                        W6SAI                48  Sep 79
Collins KWM-2/KWM-2A modifications (HN)        W6SAI                80  Aug 76
Collins KWM2 transceivers, improved            W6SAI                81  Jun 77
reliability (HN)
Collins R-388(51J), inter-band calibration     W5OZF                95  Sep 77
stability (HN)
Collins R390 rf transformers, repairing (HN)   WA2SUT               81  Aug 76
Collins R390A modifications                    WA2SUT               58  Nov 75
Collins R390A, improving the product detector  W7DI                 12  Jul 74
Collins R392, improved ssb reception with      VE3LF                88  Jul 77
(HN)
Collins receivers, 300-Hz crystal filter for   W1DTY                58  Sep 75
Collins S-line backup power supply (HN)        N1FB                 78  Oct 79
Collins S-line monitoring (HN)                 N1FB                 78  Aug 79
Collins S-line power supply mod (HN)           W6IL                 61  Jul 74
Collins S-line receivers, improved             W6FR                 36  Jun 76
selectivity
Collins S-line spinner knob (HN)               W6VFR                69  Apr 72
Collins S-line transceiver mod (HN)            W6VFR                71  Nov 72
Collins S-line, improved frequency readout     W1GFC                53  Jun 76
for the
Collins S-line, owners' report                 WB1CHQ               12  Apr 81
Collins S-line, reducing warm-up drift         W6VFR                46  Jun 75
Collins S-line, rf clipper for                 K6JYO                18  Aug 71
Collins S-line, rf clipper for                 Correction           80  Dec 71
Collins S-line, syllabic vox system for        W0IP                 29  Oct 77
Comdel speech processor, increasing the        W6SAI                67  Mar 71
versatility of (HN)
Computer control of ICOM R-71, 271, 471, and   NG6Q                 47  Apr 86
751 radios
Cornell-Dubilier rotators (HN)                 K6KA                 82  May 75
DenTron 160XV transverter, stabilizing the     WB2QLL               46  Jun 81
(Weekender)
Drake gear, simple tune-up (HN)                W7DIM                79  Jan 77
Drake R-4 receiver frequency synthesizer for   W6NBI                 6  Aug 72
Drake R-4 receiver frequency synthesizer for   Modification:        74  Sep 74
                                               letter
Drake R-4B and TR-4, split-frequency           WB8JCQ               66  Apr 79
operation
Drake R-4C product detector, improving (HN)    W3CVS                64  Mar 80
Drake R-4C receiver audio Improvements (HN)    W3CVS                79  Jan 81
Drake R-4C, cleaner audio for (HN)             K1FO                 88  Nov 78
Drake R-4C, electronic bandpass tuning in      Horner               58  Oct 73
Drake R-4C, new audio amplifier for            WB0JGP, K8RRH        48  Apr 79
Drake R-4C, new product detector for (HN)      WB0JGP               94  Oct 78
Drake R4C backlash, cure for (HN)              W3CVS                82  May 79
Drake T-4X transmitters, improved tuning on    W1IBI, W1HZH         81  Jan 79
160 meters (HN)
Drake TR-22C sensitivity improvement (HN)      K7OR                 78  Oct 79
Drake TR-4, using the Shure 401A microphone    G3XOM                68  Sep 73
with (HN)
Drake TR-7 transceiver, Woodpecker noise       K1KSY                67  Feb 81
blanker for (HN)
Drake W-4 directional wattmeter                W1DTY                86  Mar 68
Eimac chirp and drift (HN)                     W5OZF                68  Jun 70
EX crystal and oscillator                      WB2EGZ               60  Apr 68
Extending receive coverage for the IC-02 and   WB6GTM               77  Jul 86
IC-04
Extending receive coverage for the IC-02 and   Comments: WB6GTM      6  May 87
IC-04
Factory service (letter)                       W6HK                  6  Jul 80
Feedline loss, calculating with a single       K9MM                 96  Jun 78
measurement at the transmitter (HN)
FT-101E, 10-meter preamp for                   K1NYK                26  Jul 81
Galaxy feedback (HN)                           WA5TFK               71  Jan 70
Genave transceivers, S-meter for (HN)          K9OXX                80  Mar 77
Hallicrafters HT-37, improving                 W8NIF                78  Feb 79
Hallicrafters HT-37, increased sideband        W3CM                 48  Nov 69
suppression
Ham radio techniques                           W6SAI                63  May 84
Ham radio techniques, fifty years ago          W6SAI                58  Jun 84
Ham Radio Techniques: "white noise" revisited  W6SAI                79  Oct 87
Ham-3 rotator, digital readout for             K1DG                 56  Jan 79
Ham-M modification (HN)                        W2TQK                72  May 76
Ham-M rotator automatic position control       WB6GNM               42  May 77
Ham-M rotator control box, modifications of    K4DLA/W1RDR          68  Nov 80
(HN)
Ham-M rotator torque loss (HN)                 W1JR                 85  Jun 79
Ham-M rotator torque loss (HN)                 Short circuit        92  Sep 79
Hammarlund HQ215, adding 160-meter coverage    W2GHK                32  Jan 72
Heath CA1, ten-minute timer from (HN)          K8HZ                 74  Jul 68
Heath HD-10 keyer, positive lead keying (HN)   W4VAF                88  Nov 78
Heath HD-1982 Micoder for low-impedance        Johnson, Wesley      86  May 78
operation
Heath HG-10B vfo, independent keying of (HN)   K4BRR                67  Sep 70
Heath HM-2102 vhf wattmeter, high power        W9TKR                70  Feb 76
calibration for (HN)
Heath HM-2102 wattmeter mode (letter)          K3VNR                64  Sep 75
Heath HM-2102 wattmeter, better balancing      VE6RF                56  Jan 75
(HN)
Heath HO-10 as RTTY monitor scope (HN)         K9HVW                70  Sep 74
Heath HR-2B external speaker and tonepad (HN)  N1FB                 89  Nov 78
Heath HW-100 incremental tuning (HN)           K1GUU                67  Jun 69
Heath HW-100 tuning knob, loose (HN)           VE3EPY               68  Jun 71
Heath HW-100, HW-101, grid-current monitor     K4MFR                46  Feb 73
for
Heath HW-100, the new                          W1NLB                64  Sep 68
Heath HW-101 sidetone control (HN)             AD9M                 79  Jul 79
Heath HW-101, using with a separate receiver   WA1MKP               63  Oct 73
(HN)
Heath HW-12 on MARS (HN)                       K8AUH                63  Sep 71
Heath HW-16 keying (HN)                        W7DI                 57  Dec 73
Heath HW-16, low-impedance headphones for      WN8WJR               88  Jul 77
(HN)
Heath HW-16, vfo operations for                WB6MZN               54  Mar 73
Heath HW-16, vfo operations for                Short circuit        58  Dec 73
Heath HW-17 modifications (HN)                 WA5PWX               66  Mar 71
Heath HW-17A, perking up (HN)                  HN                   70  Aug 70
Heath HW-202 lamp replacement (HN)             W5UNF                83  Sep 76
Heath HW-202, adding private-line              WA8AWJ               53  Jun 74
Heath HW-202, another look at the fm channel   K7PYS                68  Mar 76
scanner for
Heath HW-2036 antenna socket (HN)              W3HCE                80  Jan 79
Heath HW-2036, carrier-operated relay for      WD5HYO               58  Feb 80
Heath HW-2036, Lever action switch             W2IFR                99  Jul 78
illumination (HN)
Heath HW-2036, outboard LED frequency display  WB8TJL               50  Jul 78
Heath HW-2036, updating to the HW-2036A        WB6TMH, WA6ODR       62  Mar 79
Heath HW-7 mods, keying and receiver           WA5KPG               60  Dec 74
blanking (HN)
Heath HW-8, improved keying for (HN)           W3HVK                60  Aug 82
Heath HWA-2036-3 crowbar circuit (HN)          W3HCE                88  Nov 78
Heath HX-1681                                  W2UWO                83  Sep 83
Heath IM-11 vtvm, convert to IC voltmeter      K6VCI                42  Dec 74
Heath intrusion alarm (HN)                     Rossman              81  Jun 77
Heath Micoder improvements                     W1OLP                42  Nov 78
Heath Micoder matching (letter)                WB8VUN                8  Sep 78
Heath Model IO-4530 oscilloscope,              Bailey               20  Aug 82
modifications
Heath SB receivers, RTTY reception with (HN)   K9HVW                64  Oct 71
Heath SB-100, using an outboard receiver       K4GMR                68  Feb 70
with (HN)
Heath SB-102 headphone operation (HN)          K1KXA                87  Oct 77
Heath SB-102 modifications (HN)                W2CNQ                58  Jun 75
Heath SB-102 modifications (HN)                W2CNQ                78  Mar 77
Heath SB-102 modifications (HN)                W2CNQ                79  Mar 77
Heath SB-102 modifications (letter)            W1JE                110  Mar 78
Heath SB-102, receiver incremental tuning      K1KXA                81  Aug 76
for (HN)
Heath SB-102, rf speech processor for          W6IVI                38  Jun 75
Heath SB-102, WWV on (HN)                      K1KXA                78  Jan 77
Heath SB-200 amplifier modifying for the       W6UOV                32  Jan 71
8873 zero-bias triode
Heath SB-200 amplifier, six-meter conversion   K1RAK                38  Nov 71
Heath SB-200 CW modification                   K6YB                 99  Nov 77
Heath SB-300, RTTY with                        W2ARZ                76  Jul 68
Heath SB-303, 10-MHz coverage for (HN)         W1JE                 61  Feb 74
Heath SB-400 and SB-401, improving alc         WA9FDQ               71  Jan 70
response in (HN)
Heath SB-610 as RTTY monitor scope (HN)        K9HVW                70  Sep 74
Heath SB-650 using with other receivers        K2BYM                40  Jun 73
Heath SB-series crystal control and narrow     WA4VYL               54  Jun 73
shift RTTY with (HN)
Heath SE-400/SB-401, simple speech amplifier   W8LMH                72  Jun 81
for (HN)
Heath ten-minute timer                         K6KA                 75  Dec 71
Heath's new all-band transceiver, the SS-MW    W9JUV                12  Nov 82
Heathkit HW-202, fm channel scanner for        W7BZ                 41  Feb 75
Heathkit HW-2036, updating the                 WA4BZP               50  Nov 80
Heathkit HW-8, increased break-in delay (HN)   K6YB                 84  Jun 79
Heathkit Micoder adapted to low-impedance      WB2GXF               78  Aug 79
input (HN)
Heathkit SB-104A, Improved receiver            N2EO                 78  Apr 81
performance for
Heathkit SB-series equipment, heterodyne       K1KXA                78  Mar 77
crystal switching (HN)
Heathkit Sixer, spot switch (HN)               WA6FNR               84  Dec 69
Heathkit, noise limiter for (HN)               W7CKH                67  Mar 71
Henry 2K4 and 3KA linears, electronic bias     W1CBY                75  Aug 78
switching
HP-35 calculator, keyboard cleaning (HN)       Anderson,            40  Jul 78
                                               Leonard H.
Hy-Gain 400 rotator, improved indicator        W4PSJ                60  May 78
system for
IC2AT, carrying case for (HN)                  W6XM                 62  Aug 83
ICOM 701 owners' report                        WB1CHQ               56  Oct 81
ICOM IC-22S, using below 146 MHz (HN)          W1IBI                92  Apr 79
ICOM IC-230, adding splinter channels (HN)     WA1OJX               82  Sep 76
ICOM IC-2A(T), odd splits                      N7AAD                65  Jul 82
ICOM's newest transceiver                      N1ACH                17  Mar 88
ICOM-22A wiring change (HN)                    K1KXA                73  Feb 77
ICs, drilling template for (HN)                WA4WDL, WB4LJM       78  Mar 77
Improved gain distribution for the Yaesu FT-   K1ZJH                53  Jul 87
726R
Improving the audio on the ICOM IC-27          KD8KZ                29  Jan 86
James Research oscillator/monitor              W1DTY                91  Mar 68
James Research permaflex key                   W1DTY                73  Dec 68
Johnson Matchbox, improved                     K4IHV                45  Jul 79
Johnson Matchbox, improved                     Short circuit        92  Sep 79
Kenwood TR-7400A, scanner for (the Kenscan     WB7QYB               50  Jan 81
74)
Kenwood TR7500, preprogrammed (HN)             W9KNI                95  Oct 78
Kenwood TS-520 CW filter modification(HN)      W7ZZ                 21  Nov 75
Kenwood TS-520, TVI cure for (HN)              W3FUN                78  Jan 77
Kenwood TS-520-SE transceiver, counter mixer   W5NPD                60  Sep 80
for
Kenwood TS-530S, more RIT/XIT for the (HN)     WB4EHS               58  Apr 90
KLM antenna rotor, computer control for (HN)   W8MQW                66  Feb 81
Knight-kit inverter/charger review             W1DTY                64  Apr 69
Knight-kit two-meter transceiver               W1DTY                62  Jun 70
Kudos for Kantronics                           Comments: WB3EXR      6  Jun 87
KWM2, RIT for the (HN)                         KH6JF               109  Jul 84
Measurements Corporation 59 grid-dip           W6GXN                82  Nov 78
oscillator improvements
Micro Mart RM terminal modification (HN)       WA5VQK               99  Jun 78
Mini-mitter II                                 W6SLO                72  Dec 71
Mini-mitter II modifications (HN)              K1ETU                64  Apr 76
Modifying the Trio-Kenwood TS930S              WB9BXT               67  Apr 86
Modifying the Yaesu FT-301 for 30-meter        AF9Q                 42  Mar 86
coverage
More fixes for the IC22S VHF radio             VE6ZS                91  Oct 88
More optional notes on the TS-930S             W6FR                 23  Apr 88
Motorola channel elements                      WB4NEX               32  Dec 72
Motorola Dispatcher, converting to 12 volts    WB6HXU               26  Jul 72
Motorola Dispatcher, converting to 12 volts    Short circuit        64  Mar 74
Motorola fm receiver mods (HN)                 VE4RE                60  Aug 71
Motorola P-33 series, improving                WB2AEB               34  Feb 71
Motorola receivers, op-amp relay for           W6GDO                16  Jul 73
Motorola voice commander, improving            W0DKU                70  Oct 70
Motrac Receivers (letter)                      K5ZBA                69  Jul 71
National NCL-2000, using the Drake T-4XC (HN)  K5ER                 94  Jan 78
Ni-cad battery charging (letter)               W6NRM                 6  Jul 80
Owners survey: 2-meter handhelds               KA1ZM                35  Jul 82
Owners' survey, TR7                            WB1CHQ               66  Nov 81
Practically speaking: now that the warranty    K4IPV                67  Sep 85
has expired
Practically speaking: now that the warranty    Comments, W5QJM       8  Nov 85
has expired
Quement circular slide rule                    W2DXH                62  Apr 68
R-1000 mod (HN)                                W6XM                 60  Aug 82
R-392 receiver mods (HN)                       KH6FOX               65  Apr 76
RDF, An improved                               K0OV                 67  Jul 87
Regency HA transceivers, signal-peaking        W8HVG                68  Jun 76
indicator and generator for (HN)
Regency HR-2, narrowbanding                    WA8TMP               44  Dec 73
Regency HR-212, channel scanner for            WA0SJK               28  Mar 75
S-line, QSK noise (HN)                         N1FB                 66  Mar 82
SB-220 transceiver, inrush current             W3GYM                66  Dec 80
protection for - Weekender
SB-303 receiver, noise reduction (HN)          Suzuki               70  Jun 82
SB301/401, Improved sidetone operation         W1WLZ                73  Oct 69
SBE linear amplifier tips (HN)                 WA6DCW               71  Mar 69
Signal One review                              W1NLB                56  May 69
Simple IC-735 to C-64 interface                N7ICW                39  Mar 87
Simple modifications and adjustments for the   W6FR                 19  Apr 87
TS-930S
Sony ICF-2001, eight-channel memory scanner    W3CSW                54  Aug 82
for
Spurious causes (HN)                           K6KA                 66  Jan 74
Standard 826M, more power from (HN)            WB6KVF               68  Apr 75
Swan 120, converting to two meters             K6RIL                 8  May 68
Swan 160X birdie suppression (HN)              W6SAI                36  Oct 78
Swan 250 Carrier suppression (HN)              WB8LGA               79  Oct 76
Swan 250, update your (HN)                     K8ZHZ                84  Dec 69
Swan 350 and 400, RTTY operation (HN)          WB2MIC               67  Aug 69
Swan 350 CW monitor (HN)                       K1KXA                63  Jun 72
Swan 350 CW monitor (HN)                       Correction:          77  May 73
                                               letter
Swan 350, curing frequency drift               WA6IPH               42  Aug 79
Swan 350, receiver incremental tuning (HN)     K1KXA                64  Jul 71
Swan television interference: an effective     W2OUX                46  Apr 71
remedy
T150A frequency stability (HN)                 WB2MCP               70  Apr 69
Technology of commercial television part 2:    KL7AJ                54  Jan 88
hardware
Telefax transceiver conversion                 K0QMR                16  Apr 74
Ten-Tec Argonaut, accessory package for        W7BBX                26  Apr 74
Ten-Tec Corsair modification (HN)              N3BEK                62  Apr 84
Ten-Tec Horizon/2 audio modification (HN)      WB9RKN               79  Oct 79
Ten-Tec KR-20 keyer, stabilization of (HN)     W3CRG                69  Jul 76
Ten-Tec Omni-D, improved CW agc for (HN)       W6OA                 88  Jan 80
Ten-Tec RX10 communicators receiver            W1NLB                63  Jun 71
Thumbwheel frequency selector for the Yaesu    KA9SNF               33  Nov 87
FT-757GX
TR-2500/2600 2-channel programming (HN)        K9MLD               128  Oct 85
Triton IV, 30-meter operation (HN)             AA4LL                68  Jun 83
TS-430S IF filter mod (HN)                     KB0CY               125  May 84
TS-820 filter switching modification (HN)      K7OAK                72  Jun 80
TS-820/TS-820S, reducing interference in (HN)  W4MB                 88  Jan 80
TS-930S headset audio, increased undistorted   W6FR                128  Oct 85
(HN)
Updating the Viking MB-VA antenna tuner (HN)   VE7GWO               43  Mar 90
Using an RTTY terminal unit with the           AA8V                 59  Aug 86
Heathkit HD4040 TNC
Wilson Mark II and IV, modifications to (HN)   W9EPT                89  Jan 80
Yaesu FT-227R memorizer, improved memory (HN)  WA2DHF               79  Aug 79
Yaesu FT101 clarifier (letter)                 K1NUN                55  Nov 75
Yaesu sideband switching (HN)                  W2MUU                56  Dec 73
Yaesu spurious signals (HN)                    K6KA                 69  Dec 71
Yaesu spurious signals (HN)                    Units affected       67  Oct 73
                                               (letter)

computer-aided design

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Bandpass filter design, interdigital,          N6JH, Monemzadeh     12  Jan 85
computer-aided
Bandpass filter design, interdigital,          Short circuit       117  Jun 85
computer-aided
Computer-aided design of long VHF Yagi         VK4ZF                28  May 86
antennas
Computer-aided design of printed circuit       NU1N                 10  Jan 90
boards
Design a no-tune amplifier with your           W7DHD                 8  Sep 87
personal computer
Designing Yagis with the Commodore 64          N0CAO               107  Jan 86
Diagnostic serial data latch                   KA9SNF               56  Apr 88
Direct currents reduce core permeability       K5BVM                58  Jul 86
Direct currents reduce core permeability       Short circuit        87  Jul 86
Elmer's notebook: modems and RS-232            W1SL                113  Oct 88
Gamma matching programs for the C-64/128       N0CAO                87  May 87
Ham notebook: rebuild your C-64 keyboard       AF8B                 74  Feb 88
with C-16 parts
Linear design by computer                      W4MB                 37  Feb 87
Low-cost pc board layout software              Freeman, Eve          8  Oct 87
Remote repeater programming using a computer   KD9BC                89  Mar 86
and a telephone
RF filters, Build narrowband                   WB4EHS               10  Mar 86
RF filters, Build narrowband                   Short circuit        36  Jun 86
Solving transmission line problems on your     K9CZB                74  May 86
Commodore 64
Top-down filter design                         VE5FP                41  Jan 87
VHF Yagi CAD on the C-64                       W4PFZ                74  May 86
Yagi design program                            Comments: W6NBI       6  May 87
Yagis, designing with the Commodore 64         WA3EKL               59  Jun 85

construction techniques

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
2-meter monitor                                WA3ENK               64  Jul 88
A dab of paint, a drop of wax (HN)             VE3BUE               78  Aug 68
A New Addition for Your TNC                    K9MLD                72  Dec 89
AC line cords (letter)                         W6EG                 80  Dec 71
Advanced CW processor                          W6NRW                25  Dec 86
Air-wound coils, constructing                  W7BKE                37  Aug 84
Aluminum tubing, clamping (HN)                 WA9HUV               78  May 75
Aluminum's new face                            W4BRS                60  May 68
An Audio Patch Panel for the Multimode         KB6IC                65  Dec 89
Station
An NE602-based QRP Transceiver for 20-meter    K1BQT                 9  Jan 89
CW
An RTTY Converter                              W1VO                 76  Jun 89
AN/UPX-6 cavities, converting surplus          W6NBI                12  Mar 81
Analog Panel Meters                            W6WTU                39  Apr 89
Anodize dyes (letter)                          W4MB                  6  Sep 79
Anodizing aluminum                             VE7DKR               62  Jan 79
Anodizing aluminum                             Comments, WA9UXK      6  Nov 79
Antenna carriage and track pole mount          K83K                 46  Aug 83
Antenna hinge                                  N4LI                 70  Aug 83
Antenna insulators, homemade (HN)              W7ZC                 70  May 73
APC trimmer, adding shaft to (HN)              W1ETT                68  Jul 69
Audio filter building blocks                   KB0CY                74  Jul 83
Audio filter building blocks                   Short circuit        92  Nov 83
Automatic Rotor Brake Delay                    WA1SPI               89  Aug 89
Battery charger, NiCd, constant current, a     K2MWU                67  Aug 85
pulsed
Blower-to-chassis adapter (HN)                 K6JYO                73  Feb 71
BNC connectors, mounting (HN)                  W9KXJ                70  Jan 70
Build a better box                             Gruchalla,           45  Aug 84
                                               Michael
Build narrowband RF filters, Comments          WB4EHS                9  Sep 86
Bulkhead connector (HN)                        K9CZB                78  Apr 85
Bulkhead connector (HN)                        Short circuit        74  Jul 85
Cabinet construction techniques                W7KDM                76  Mar 79
Capacitors, custom, how to make                WB0ESV               36  Feb 77
Capacitors, oil-filled (HN)                    W2OLU                66  Dec 72
Carpet samples in the ham shack                K1ZJH                82  Sep 87
Center insulator, dipole                       WA1ABP               69  May 69
Cheap dots (HN)                                W6XM                 77  Sep 82
Circuit boards with terminal inserts (HN)      W3K8M                61  Nov 75
Cliplead carousel (HN)                         WB1AQM               79  Oct 79
Coax cable, salvaging water-damaged (HN)       W5XW                 88  Jan 80
Coax connectors, repairing broken (HN)         W0HKF                66  Jun 70
Coax relay coils, another use (HN)             K0VQY                72  Aug 69
Coaxial cable connectors (HN)                  WA1ABP               71  Mar 69
Coaxial cable connectors, homebrew hardline-   K2YOF                32  Apr 80
to-uhf
Code practice oscillator (weekender)           N2DCH                65  Oct 88
Coils, self-supporting                         Anderson             42  Jul 77
Cold galvanizing compound (HN)                 W5UNF                70  Sep 72
Collector Matching Networks                    KZ9J                 34  Jan 89
Color coding parts (HN)                        WA7BPO               58  Feb 72
Common-point Grounding: Lightning Protection   KIZJH                24  Jul 89
for Repeaters
Component marking (HN)                         W1JE                 66  Nov 71
Construction techniques using PVC pipe to      W2OQI                98  Sep 88
make antennas
Cooling semiconductors part 1: designing and   Martin, Vaughn D.    33  Jul 84
using heatsinks
Cooling semiconductors part 2: blowers and     Martin, Vaughn D.    52  Aug 84
fans
Crystal switching, remote (HN)                 WA8YBT               91  Feb 79
Custom resistors, nomogram design              WA5EKA               68  Jun 83
Deburring holes (HN)                           W2DXH                75  Jul 68
Design an amplifier around the 3CX1200A7       W7DHD                33  Dec 87
Digi-Keyer                                     AB4DP                68  Oct 89
Drill guide (HN)                               W5BVF                68  Oct 71
Drilling aluminum (HN)                         W6IL                 67  Sep 75
DTMF tone signaling circuit                    WV6A                 42  Sep 88
Dummy load, DC                                 W4MLE                91  Apr 85
Dust buildup, decreasing (HN)                  K4KI                 77  Sep 82
Elevation indicator, inexpensive               W5JTL                67  Jun 85
Elmer's Notebook: elementary electronics-      W1SL                 67  May 90
alternating current and capacitors
Elmer's Notebook: elementary electronics-      W1SL                 90  Feb 90
capacitors
Elmer's Notebook: elementary electronics-      W1SL                 92  Jan 90
exploring resistance
Elmer's Notebook: elementary electronics-      W1SL                 84  Apr 90
inductors and AC
Elmer's Notebook: elementary electronics-      W1SL                 63  Jun 90
wrapping up AC theory
Elmer's Notebook: FETS-The Other Transistors   W1SL                104  Feb 89
Elmer's Notebook: Simple Instruments RF        W1SL                 91  Nov 89
Output Monitor
Elmer's notebook: the myterious "Q"            W1SL                110  Sep 88
Elmer's Notebook: Transistors and How They     W1SL                 62  Jan 89
Work
Elmer's Notebook: Visual Aids- Liquid          W1SL                 81  Aug 89
Crystal Displays
Elmer's Notebook: Voltage-variable Capacitors  W1SL                100  Apr 89
Enclosures, homebrew custom                    W4YUU                50  Jul 74
Etch tank (HN)                                 W3HUC                79  Jan 77
Exploding diodes (HN)                          VE3FEZ               57  Dec 73
Extend Your DVM's Measurement Capabilities     N6YC                 72  Oct 89
Fan, speed control (HN)                        K4KI                 77  Sep 82
Ferrite beads                                  W5JJ                 48  Oct 70
Ferrite beads, how to use                      K1ORV                34  Mar 73
Files, cleaning (HN)                           Walton               66  Jun 74
Filter chokes, unmarked                        W0KMF                60  Nov 68
Five-band Junkbox Transmitter                  W3RMD                42  Dec 89
G.O.E.S. reception: a simple approach          WA4WDL               46  Jan 84
Get the most from your NiCds (Weekender)       K3OF                 88  Dec 88
Grommet shock mount (HN)                       VE3BUE               77  Oct 68
Grounding (HN)                                 W9KXJ                67  Jun 69
Ham notes: Waterproofing fittings              W4MLE               101  Nov 86
Heat sinks, homemade (HN)                      WA0WOZ               69  Sep 70
Heatsink cooling fan (HN)                      W6XM                 22  Jul 83
Heatsink cooling fan (HN)                      Comments, W2GH        8  Oct 83
Heatsink cooling fan (HN)                      Comments, DJ4BZ      12  May 84
High-frequency dummy load (HN)                 W1KWE                64  Jun 84
Homebrew art                                   W0PEM                56  Jun 69
Homebrew Neutralizing Capacitor                N4LC                 38  May 89
Homebrew tuning dial                           N2DCH                75  Dec 88
Homebrewing equipment from parts to metal      W7KBE                26  Mar 88
work
Hot etching (HN)                               K8EKG                66  Jan 73
Hot wire stripper (HN)                         W8DWT                67  Nov 71
IC holders (HN)                                W3HUC                80  Aug 76
IC lead former (HN)                            W5ICV                67  Jan 74
IC2AT, carrying case for (HN)                  W6XM                 62  Aug 83
Indicator circuit, LED                         WB6AFT               60  Apr 77
Inductance equation, a different approach      K4KI                116  Dec 84
(HN)
Inductance, toroidal coil (HN)                 W3WLX                26  Sep 75
Industrial cartridge fuses, using (HN)         VE3BUE               76  Sep 68
Junk-box ingenuity; how to buy, use, and       WB4EHS               32  Aug 84
recycle surplus electronic parts
Keeping an Eye on Your Sideband PEP            GW4NAH               17  Sep 89
Lightning protection (letter)                  K9MM                 12  Dec 79
Linear Tuning with a War Surplus Capacitor     N2DCH                40  Jun 89
lnductors, graphical aid for winding           W7POG                41  Apr 77
Low-cost pc board layout software              Freeman, Eve          8  Oct 87
Magnetic fields and the 7360 (HN)              W7DI                 66  Sep 73
Make a homebrew sheet metal brake for          WB6BIH               43  Jun 86
chassis construction projects
Making printed circuit boards                  WA3JUF               27  Jan 90
Metal cleaning with dip-type cleaners (HN)     W5XW                 82  Jan 82
Metal cleaning with dip-type cleaners (HN)     Comment, K6YPD        8  Jun 82
Metalized capacitors (HN)                      W8YFB                82  May 79
Metric conversions for screw and wiresizes     W1DTY                67  Sep 75
Microcircuits, visual aids for working on      K9SRL                90  Jul 78
Microstrip impedance program                   K8UR                 84  Dec 84
Miniature sockets (HN)                         Lawyer               84  Dec 69
Minibox, cutting down to size (HN)             W2OUX                57  Mar 74
Mobile installation, putting together          W0FCH                36  Aug 69
Mobile mount bracket (HN)                      W4NJF                70  Feb 70
Modular converter, 144-MHz                     W6UOV                64  Oct 70
Motorized Agitator for Your Printed Circuit    K3OF                 68  Jun 89
Boards
NE5205 wideband RF amplifier                   Gruchalla,           30  Sep 86
                                               Michael
NE5205 wideband RF amplifier                   Short circuit        72  Jan 87
Near linear tuning with dual eccentric         N2DCH                53  Jan 90
pulleys
Neutralizing tip (HN)                          ZE6JP                69  Dec 72
New uses for old tuners                        W6WTU                25  Jan 88
Noisy fans (HN)                                W8IUF                70  Nov 72
Noisy fans (HN)                                Correction           67  Oct 73
                                               (letter)
Nuvistor heat sinks (HN)                       WA0KKC               57  Dec 73
Parasitic suppressor (HN)                      WA9JMY               80  Apr 70
Passive audio filter design, part 1:           Niewiadomski, S.     17  Sep 85
development and analysis
PC layout using longhand                       WB9QZE               26  Nov 78
PC layout using longhand                       Comments, W5TKP       6  Jun 79
PEP Wattmeter                                  WA1SPI               76  Oct 89
Phone plug wiring (HN)                         N1FB                 85  Jun 79
Polymer film transforms mechanical energy to   WA4KFZ               55  Dec 84
electrical energy
Power FETS: trend for VHF amplifiers           Peters, Daniel       12  Jan 84
                                               and W7PUA
Practically speaking: "ferriting" out the      K4IPV                72  Jun 88
problem
Practically speaking: drift and shift          K4IPV                75  Jan 88
Practically speaking: feedback                 K4IPV                60  May 88
Practically speaking: grounding and            K4IPV                47  Apr 87
shielding, pt.1
Practically speaking: grounding and            K4IPV                81  May 87
shielding, pt.2
Practically speaking: grounding and            Comments: KA8DKT      6  Aug 87
shielding, pt.2
Practically speaking: Keep it cool             K4IPV                75  Apr 86
Practically Speaking: Light Metal and Other    K4IPV                23  Apr 89
Topics
Practically speaking: noise, signals and       K4IPV                77  Feb 88
amplifiers
Practically speaking: non-ideal linear IC      K4IPV                72  Jul 88
amplifiers typical problems
Practically speaking: Overview of op amps-     K4IPV               100  Nov 88
part 1
Practically speaking: overview of op amps-     K4IPV                83  Dec 88
part 2
Practically speaking: parts sources            K4IPV                78  Nov 86
Precision high-voltage dc regulator            AG6K                 75  Aug 88
Printed circuit layout and drilling template   WA4WDL               73  Jul 82
Printed circuits without printing              W4ZG                 62  Nov 70
Printed-circuit boards, cleaning (HN)          W5BVF                66  Mar 71
Printed-circuit boards, how to clean           K2PMA                56  Sep 76
Printed-circuit boards, how to make            K4EEU                58  Apr 73
Printed-circuit boards, low-cost               W6CMQ                44  Aug 71
Printed-circuit boards, low-cost               W8YFB                16  Jan 75
Printed-circuit boards, practical              Hutchinson            6  Sep 71
phototabrication of
Printed-circuit labels (HN)                    WA4WDK               76  Oct 70
Printed-circuit standards (HN)                 W6JVE                58  Apr 74
Printed-circuit tool (HN)                      W2GZ                 74  May 73
Printed-circuits, simple method for (HN)       W4MTD                51  Apr 78
Professional look, for that                    VE3GFN               74  Mar 68
Protect Your Amateur Station from Lightning    KY9L                 25  Sep 89
Punching aluminum panels (HN)                  W7DIM                57  Jun 68
Quick fix for soldering irons (HN)             W2YW                 62  Apr 84
Rack and panel construction                    W7OE                 48  Jun 68
Rack construction, a new approach              K1EUJ                36  Mar 70
Rectifier terminal strip (HN)                  W5PKK                80  Apr 70
Reflected power limiter                        K4KI                 63  Jul 84
Rejuvenating transmitting tubes with           W6NIF                80  Aug 78
thoriated-tungsten filaments (HN)
Remote baselsimplex phone patch controller     AA4NX and KK4LA      54  Aug 88
Remote Control Switching System                VK2WD                62  Oct 89
Remote Driver/Controller for a Two-antenna     NH6N                 79  Apr 89
System
Restoring panel lettering (HN)                 W8CL                 69  Jan 73
Rewinding transformers with CAD                W6WTU                74  Mar 87
RF filters, Build narrowband                   WB4EHS               10  Mar 86
RF filters, Build narrowband                   Short circuit        36  Jun 86
Screwdriver, adjustment (HN)                   WA0KGS               66  Jan 71
Set screws, taming (HN)                        W5PGG                64  Mar 82
Silk screen techniques, make your own board    W3QOM                83  Nov 84
using
Silver plating (letters)                       WA0AGD               94  Nov 77
Silver plating for the amateur                 W4KAE                62  Dec 68
Silver plating made easy                       WA9HUV               42  Feb 77
Silverplating, safe, sensible                  K9EYY                29  Feb 85
Simple DC Amplifier for Your Meter             W0JF                 10  Jun 89
Simple Infrared Detector, A (HN)               K1ZJH                27  Jun 89
Simple low-cost comb generator frequency       Martin, Lorry        78  Jul 88
calibrator
Simple receivers from complex ICs              W6VEH                10  Nov 88
Small parts tray (HN)                          W2GA                 58  Jun 68
Solar power for your ham station               NH6N                 14  Dec 84
Solder dispenser, simple (HN)                  W2KID                76  Sep 68
Soldering aluminum (HN)                        ZE6JP                67  May 72
Soldering fluxes (HN)                          K3HNP                57  Jun 68
Soldering tip (HN)                             Lawyer               68  Feb 70
Soldering tip cleaner (HN)                     W3HUC                79  Oct 76
Soldering tips                                 WA4MTH               15  May 76
Structural evaluation of Yagi elements         K5IU                 29  Dec 88
Superhet coilset, design with a microcomputer  Sterrenburg,        113  Nov 84
                                               F.A.S.
The Guerri report: pc boards                   W6MGI               109  Sep 86
Thumbwheel switch modification(HN)             VE3GDX               56  Mar 74
Tilt your rig (HN)                             WA4NED               58  Jun 68
Toroids, plug-in (HN)                          K8EEG                60  Jan 72
Transfer letters (HN)                          WA2TGL               78  Oct 76
Transformers, repairing                        W6NIF                66  Mar 69
Transmit Control for Mobile Operation          G4CLF                24  Nov 89
Trimmers (HN)                                  W5LHG                76  Nov 69
Tuning indicator for RTTY and packet radio     W0HZR                65  Sep 88
Turns per inch from wire size (HN)             K8UR                 97  Dec 83
Two in one: trace doubler for CRO, and         Tseng Liao           26  Dec 88
square wave and pulse generator (HN)
Two in one: trace doubler for CRO, and         Short circuit        26  Jan 90
square wave and pulse generator (HN)
Uhf coax connectors (HN)                       W0LCP                70  Sep 72
Uhf hardware (HN)                              W6CMQ                76  Oct 70
Ultra Low Power Four-digit Sequence Touch      WA4ADG               30  Dec 89
Tone Decoder
Ultra Low Power Four-digit Sequence Touch      Short circuit        87  Mar 90
Tone Decoder
Understanding and using 723 Voltage            K3OF                 42  Mar 89
Regulators
Underwriter's knot (HN)                        W1DTY                69  May 69
Universal analog breadboard                    Gruchalla,           85  Jun 86
                                               Michael
Variable Gain 160-Meter Preamp                 KD9SV                46  Oct 89
Vectorboard toot (HN)                          WA1KWJ               70  Apr 72
Volume controls, noisy, temporary fix (HN)     W9JUV                62  Aug 74
Watercooling the 2C39                          K6MYC                30  Jun 69
Wideband Frequency Analyzer                    AA4FB                 9  Nov 89
Wire-wound potentiometer repair (HN)           W4ATE                77  Feb 78
Wiring and grounding                           W1EZT                44  Jun 69
Workbench, electronic                          W1EZT                50  Oct 70
ZX-81/TS1000 controller: new use for old       N9NB                 31  Dec 86
computers

digital techniques

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
$40 Digital Voice Storage ID'er                WA4ADG               10  Feb 89
220-MHz 9600-Baud Data Radio System for        W2DUC                67  Feb 89
Packet
A New Addition for your TNC                    K9MLD                72  Dec 89
Add a digital readout to the "poor man's       WA2PZO               84  Sep 88
spectrum analyzer"
Amateur FSK: A spectral analysis               WA6NCX               42  Dec 86
AMTOR, AX.25, and HERMES: a performance        W9JD                 63  Dec 85
analysis of three systems
AMTOR, AX.25, and HERMES: a performance        Comments, G3PLX       9  May 86
analysis of three systems
Annunciator bell for the Kantronics KPC2       K1ZJH                22  Aug 86
Artificial Intelligence Applications In        NULN                 30  Oct 89
Amateur Radio
Audio filter design, computer-aided            KE2J                 15  Oct 85
AUTOTRAK, A simple rotor interface board for   K7NH                 10  Dec 87
the C-64, VIC-20, etc
Basic rules and gates                          Anderson,            76  Jan 79
                                               Leonard H.
Build a QSO "beeper"                           KF6CU                38  Jan 88
Building a Digital Filter                      NB9K                  9  Apr 89
CAT control system for the Yaesu FT-757GX      SM6CPI               26  Nov 87
Commodore 64, $100 printer (HN)                W2QLI                86  Aug 85
Computer control of ICOM R-71, 271, 471, and   NG6Q                 47  Apr 86
751 radios
Continuous phase tones                         Comments: G3VMR       6  Aug 87
Counters and weights                           Anderson,            66  Aug 79
                                               Leonard H.
Decoding data signals                          WB4GCS               60  Dec 88
Deluxe logic probe                             M. Wilde             74  Jan 87
Digi-Keyer                                     AB4DP                68  Oct 89
Digiscope                                      WB0CLH               50  Jun 79
Digital can do more, Comments                  KA4JFO                9  Mar 86
Digital clock, build a fail-safe               K1MC                 54  Oct 85
Digital frequency readout using the            W3NNL                83  Nov 85
Commodore 64
Digital HF radio: a sampling of techniques     KA2WEU/DJ2LR         19  Apr 85
Digital HF radio: a sampling of techniques     Short circuit       121  May 85
Digital signal processing, part 1: the         NU1N                 24  Apr 90
fundamentals
Digital techniques: gate arrays for control    Anderson,            82  Jan 80
                                               Leonard H.
Digital techniques: inside a phase-frequency   Anderson,            28  Sep 82
detector                                       Leonard H.
Digital techniques: shocking truths about      Anderson,            36  Oct 82
semiconductors                                 Leonard H.
Digital voice storage in the ham shack         WA4ADG               56  Mar 90
Digital voice storage in the ham shack         Short circuit        81  May 90
Digital-circuit problems, avoiding built-in,   W1BG                 43  Sep 81
part one
Digital-circuit problems, avoiding built-in,   Comments VE2QO        6  Dec 81
part one
Digital-circuit problems, avoiding built-in,   W1BG                 50  Oct 81
part two
Digital-circuit problems, avoiding built-in,   Comments VE2QO        6  Dec 81
part two
Direct synthesis VFO                           W7SX                 10  Sep 88
Down counters                                  Anderson,            72  Sep 79
                                               Leonard H.
DTMF controller for repeaters                  WB4FXD               47  Sep 85
DTMF Group Call Decoder                        AA4NX                53  Mar 89
DTMF tone signaling circuit                    WV6A                 42  Sep 88
Dynistor, the                                  W6GXN                49  Apr 68
Electro-Braille Transducers and their          I4MK                 59  Mar 89
Application
Elmer's notebook: an introduction to AMTOR     W1SL                101  Sep 87
Elmer's notebook: an introduction to digital   W1SL                 92  Jul 87
communications
Elmer's notebook: packet radio                 W1SL                100  Oct 87
Finding the Source of Computer-generated       KBTM                 30  Sep 89
interference
Flip-flop internal structure                   Anderson,            86  Apr 79
                                               Leonard H.
Frequency synthesis up to 2 GHz                WA6DYW               22  Apr 88
Gate arrays for pattern generation             Anderson,            72  Oct 79
                                               Leonard H.
Gate structure and logic families              Anderson,            66  Feb 79
                                               Leonard H.
Get on SSTV - with the C-64                    I2CAB, I2AED,        43  Oct 86
                                               ed. K9EI
Get on SSTV - with the C-64                    Short circuit        97  Oct 87
Going Digital                                  NH6N                 20  Jan 89
HP-11 serial loop                              Martin, Vaughn D.   101  Apr 84
Improving the WB3CEH programmable callsign     KL7XO                82  Sep 87
identifier (HN)
Making waves                                   W6HDM                44  Mar 82
Multivibrators and analog input interfacing    Anderson,            78  Jun 79
                                               Leonard H.
Packet board update                            Comments: VE3LNY      6  Jan 87
Packet radio and area networking               WB3JZO               38  Dec 84
Packet radio primer                            WA1FHB               30  Dec 85
Packet radio TNC for the IBM PC                VE3LNY               10  Aug 86
Packet radio, automatic frequency and          WB2OSZ               41  Dec 85
deviation tester
Packet radio, introduction to                  VE2BEN               64  Jun 79
Packet radio: part1                            KV7D, KV7B           14  Jul 83
Packet radio: part2                            KV7D, KV7B,          18  Aug 83
                                               WA7GXD
Packet radio: the software 	approach           W4UCH                63  Sep 84
PL tone generator, a programmable              WB0VSZ               51  Apr 84
PL tone generator, a programmable              Short circuit       125  May 84
Practically Speaking: Getting to know the      K4IPV                34  Dec 89
Logic Families- pt 1: TTL
Practically speaking: using the digital        K4IPV                47  Apr 88
frequency counter- some pitfalls
Propagation delay and flip-flops               Anderson,            82  Mar 79
                                               Leonard H.
RAM drive for packet radio                     AD1B                 44  Dec 87
RTTY reader, interrupt-driven                  KN4L                 72  Sep 84
Run RTTY on your Timex                         NU4V                110  Apr 85
Run RTTY on your VIC-20                        W5TRS               120  Apr 85
Satellite tracker, digitally-controlled        KA8OBL              102  Sep 85
Self-gating the 82S90/74S196 decade counter    W9LL                 82  May 79
(HN)
Simple PROM Programmer, A                      V4V6A                81  Mar 89
Smith Chart impedance matching on your         WA9GFR              120  Oct 84
Commodore 64
Software piracy (letter)                       Forsyth, Mike         8  Sep 84
Spread spectrum and digital communication      N9NB                 13  Dec 85
techniques: a primer
Station Control Node Expand Your Versatility   WAQRJT               23  Mar 89
with SCN
Synthesizers, VHF and UHF, design of digital   G4CLF                26  Jul 82
components
Talking digital clock                          K9KV                 30  Oct 79
The Guerri report                              W6MGI               124  Jan 86
The Guerri report                              W6MGI               125  Apr 86
The Guerri report: computer technology         W6MGI                54  Nov 84
The Guerri report: computer technology         Short circuit         8  Dec 84
The Guerri report: signal processing           W6MGI               156  Dec 84
Thumbwheel frequency selector for the Yaesu    KA9SNF               33  Nov 87
FT-757GX
True frequency digital readout for the HW-101  NU4F                  8  Jan 87
True frequency digital readout for the HW-101  Short circuit        41  Aug 87
Two-Loop 10-Hz Step 40-70 MHz Synthesizer      PY1LL & C Mathias    24  Jan 89
Ultra Low Power Four-digit Sequence Touch      WA4ADG               30  Dec 89
Tone Decoder
Ultra Low Power Four-digit Sequence Touch      Short circuit        87  Mar 90
Tone Decoder
Using an RTTY terminal unit with the           AA8V                 59  Aug 86
Heathkit HD4040 TNC
VIC-20 printer (HN)                            W2QLI                88  Sep 84

features and fiction

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
1929-1941,the Golden years of amateur radio    W6SAI                34  Apr 76
1979 world administrative radio conference     W6APW                48  Feb 76
Alarm, burglar-proof (HN)                      Eisenbrandt          56  Dec 75
Automatic Packet Beacon Tracker and Monitor    W4GBB                66  Aug 89
Backscatter: amateur radio growth?             W6SAI                 4  Mar 90
Backscatter: Amateur Radio Licensing Fees      NXIG                  6  Oct 89
Backscatter: for sale: the 20-meter amateur    NX1G                  4  May 90
band ...
Backscatter: Glasnost and Amateur Radio        N1ACH                 4  Feb 89
Backscatter: Juxtaposition of Technologies     NXIG                  4  Nov 89
Backscatter: life, liberty, and the right to   NX1G                  4  Apr 90
privacy
Backscatter: More cause for Thought            NXIG                  4  Sep 89
Backscatter: no new novices? no way!           W9JUV                 9  Jun 90
Backscatter: No-Code Revisited                 NIACH                 4  Mar 89
Backscatter: No-Code Survey Results            N1ACH                 4  Jun 89
Backscatter: Ode to the Death of PRB-3         N1ACH                 4  Aug 89
Backscatter: somewhere over the horizon        NX1G                  4  Feb 90
(radar, that is)
Backscatter: The FCC and 20-Meter Third        NX1G                  4  Jan 90
Party Traffic
Backscatter: The More Things Change..          N1ACH                 4  Jul 89
Binding 1970 issues of ham radio (HN)          W1DHZ                72  Feb 71
Brass pounding on wheels                       K6QD                 58  Mar 75
Catalina wireless, 1902                        W6BLZ                32  Apr 70
DXer's Diary                                   W9KNI                18  Mar 81
DXer's Diary                                   W9KNI                26  Apr 81
DXer's Diary                                   W9KNI                22  Jun 81
DXer's Diary                                   W9KNI                60  Aug 81
DXer's Diary                                   Comments              6  Sep 81
DXer's Diary                                   W9KNI                70  Dec 81
Early wireless stations                        W6BLZ                64  Oct 68
Electromagnetic jargon generator, state-of-    N6TX                 75  Apr 85
the-art
Electronic bugging                             K2ZSQ                70  Jun 68
Fire protection in the ham shack               Darr                 54  Jan 71
First wireless in Alaska                       W6BLZ                48  Apr 73
From Amateur to professional                   KI2U                 54  Aug 81
Hallicrafters history                          W6SAI                20  Nov 79
Hallicrafters story (letter)                   K0ADM                 6  May 80
Hallicrafters story (letter)                   W1TVN                 6  May 80
Hallicrafters story (letter)                   WA2JVD                6  Sep 80
Ham Radio sweepstakes winners, 1972            W1NLB                58  Jul 72
Ham Radio sweepstakes winners, 1973            W1NLB                68  Jul 73
Ham Radio sweepstakes winners, 1975            W1NLB                54  Jul 75
Ham radio techniques                           W6SAI                32  Sep 81
Ham radio techniques                           W6SAI                42  Oct 81
Ham radio techniques (01/83)                   W6SAI                66  Jan 83
Ham radio techniques (02/83)                   W6SAI                77  Feb 83
Ham radio techniques (03/83)                   W6SAI                47  Mar 83
Ham radio techniques (04/83)                   W6SAI                52  Apr 83
Ham radio techniques (04/83)                   Comments, W6DKZ       8  Dec 83
Ham radio techniques (05/83)                   W6SAI                52  May 83
Ham radio techniques (06/83)                   W6SAI                46  Jun 83
Ham radio techniques (07/83)                   W6SAI                42  Jul 83
Ham radio techniques (08/83)                   W6SAI                40  Aug 83
Ham radio techniques (09/83)                   W6SAI                41  Sep 83
Ham radio techniques (10/83)                   W6SAI                64  Oct 83
Ham Radio techniques: "the greatest little     W6SAI                68  Feb 88
magazine in the world"
Ham radio techniques: 160-meter band           W6SAI                46  May 81
Ham radio techniques: amateur radio 1941       W6SAI                30  Aug 81
Ham radio techniques: amateur radio, 1933      W6SAI                41  Jun 81
Ham radio techniques: antenna tuners           W6SAI                30  Jul 81
Ham radio techniques: earth-moon-earth         W6SAI                40  Feb 81
Ham radio techniques: Ever work a W10?         W6SAI                43  Feb 87
Ham radio techniques: Ever work a W10?         Short circuit        50  Apr 87
Ham Radio Techniques: May perambulation        W6SAI                56  May 90
Ham radio techniques: more about moonbounce    W6SAI                34  Mar 81
Ham radio techniques: radio-frequency          W6SAI                30  Dec 81
interference
Ham radio techniques: radio-frequency          W6SAI                34  Nov 81
Interference
Ham radio techniques: ten-meter band           W6SAI                38  Apr 81
Ham Radio Techniques: The "Invention of        W6SAI                17  Mar 89
Radio"
Ham Radio techniques: the year was 1923...     W6SAI                89  Jan 88
Ham radio techniques: triband Yagi beam for    W6SAI                68  Jan 81
20, 15, and 10 meters
Ham radio techniques: triband Yagi beam for    Short circuit        84  Nov 81
20, 15, and 10 meters
Ham Radio Techniques: WARC 1992                W6SAI                35  Jun 90
Ham radio techniques: Xingiang Province, the   W6SAI                55  Apr 87
last frontier
Hellschreiber, a rediscovery                   PA0CX                28  Dec 79
How to be DX                                   W4NXD                58  Aug 68
Interview with Dr. Kenneth Davies              K2RR                 28  Jan 83
James R. Fisk memorial                         W1XU                  2  Jun 80
James R. Fisk, W1HR - some reflections         W6NIF                 6  Jun 80
Jammer problem, solutions for                  UX3PU                56  Apr 79
Jammer problem, solutions for                  Comments              6  Sep 79
Jim Fisk, tribute to, publisher's log          W1NLB                 8  Jun 80
Jim, a tug at your memory                      W4VT                 28  May 81
Nostalgia with a vengance                      W6HDM                28  Apr 72
Observation and opinion                        W9KNI                 6  Jul 81
One hundred years of electric waves            KR6A                 22  Aug 88
Photographic illustrations                     WA4GNW               72  Dec 69
Q signals (letter)                             W4MB                  8  Feb 83
QSL return, statistics on                      WB6IUH               50  Dec 68
Radio addiction: case history of an            W7SX                 52  Jan 88
enthusiast
Reflections: Novice enhancement and the        W9JUV                 6  Jun 88
future of amateur radio
Reflections: Returning the spectrum to chaos   W9JUV                 6  Feb 88
courtesy of the FCC (GD 87-389)
Reinartz, John L., father of shortwave radio   WA6CBQ               10  Aug 81
Reminisces of old-time radio                   K4NW                 40  Apr 71
Secret society, the                            W4NXD                82  May 68
Shopping for parts by mail                     W8FX                 16  Jul 81
Shopping for parts by mail                     Comments K1THP        6  Dec 81
Ten commandments for technicians               feature              58  Oct 76
The arduous realization                        W7SX                 29  Dec 87
Tune in on the world                           WA4PYQ               12  Jun 81
Use your old magazines                         Foster               52  Jan 70
What is it?                                    WA1ABP               84  May 68
Wireless Point Loma                            W6BLZ                54  Apr 69
Writing the Technical Article                  K4IPV                43  Jan 89

filters

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Automatically switched half-octave filters:    WB3JZO and           10  Feb 88
part 1                                         Watkins, Lee R.
Automatically switched half-octave filters:    WB3JZO and           29  Mar 88
part 2                                         Watkins, Lee R.
Building A Digital Station                     NB9K                  9  Apr 89
Ham Radio Techniques: "Son of Woodpecker"      W6SAI                18  Feb 89
Optimizing the OF-1A Audio Filter              VE7BS                38  Dec 89
Simple VHF/UHF multiple quarter-wave filters   WA3EWT               37  Sep 87
Switchable bandwidth crystal filter            N2DCH                22  Feb 90
Top-down filter design                         VE5FP                41  Jan 87

fm and repeaters

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
144-MHz 5/8-wavelength, vertical antenna for   K4LPQ                42  May 76
mobile
144-MHz digital synthesizers, readout display  WB4TZE               47  Jul 76
144-MHz fm exciter, high performance           WA2GCF               10  Aug 76
144-MHz mobile antenna (HN)                    W2EUQ                80  Mar 77
144-MHz synthesizer, direct output             WB2CPA               10  Aug 77
144-MHz synthesizer, direct output (letter)    WB6JPI               90  Jan 78
144-MHz vertical mobile antennas, 1/4 and      W2LTJ, W2CQH         46  May 76
5/8 wavelength, test data on
144-MHz, 5/8-wavelength vertical antenna       W1RHN                50  Mar 76
220 MHz frequency synthesizer                  W6GXN                 8  Dec 74
450-MHz preamplifier and converter             WA2GCF               40  Jul 75
Add fm to your receiver (weekender)            K3NXU                74  Mar 81
Amateur fm, close look at                      W2YE                 46  Aug 79
Amateur vhf fm operation                       W6AYZ                36  Jun 68
Antenna and control-link calculations for      W7PUG                58  Nov 73
repeater licensing
Antenna and control-link calculations for      Short circuit        59  Dec 73
repeater licensing
Antenna design for omnidirectional repeater    N9SN                 20  Sep 79
coverage
Antenna, 5/8 wavelength two-meter, build       WB4WSU               67  Jun 74
from CB mobile whips (HN)
Antenna, 5/8-wavelength, two-meter             K6KLO                40  Jul 74
Antenna, two-meter fm (HN)                     WB6KYE               64  May 71
Antennas, simple, for two-meter fm             WA3NFW               30  May 73
Audio-amplifier and squelch unit               W6AJF                36  Aug 68
Automatically controlled access to open        W8GRG                22  Mar 74
repeaters
Autopatch system for vhf fm repeaters          W8GRG                32  Jul 74
Autopatch, simplex                             WB6GTM               42  Jan 83
Base station, two-meter fm                     W9JTQ                22  Aug 73
Carrier-operated relay                         K0PHF, WA0UZO        58  Nov 72
Carrier-operated relay and call monitor        VE4RE                22  Jun 71
Cavity filter, 144-MHz                         W1SNN                22  Dec 73
Channel scanner                                W2FPP                29  Aug 71
Channels, three from two (HN)                  VE7ABK               68  Jun 71
Charger, fet-controlled for nicad batteries    WA0UYK               46  Aug 75
Collinear antenna for two meters, nine-        W6RJO                12  May 72
element
Collinear array for two meters, 4-element      W86KGF                6  May 71
Command function debugging circuit             WA7HFY               84  Jun 78
Continuous tuning for fm converters (HN)       W1DHZ                54  Dec 70
Control head, customizing                      VE7ABK               28  Apr 71
Converting low-band mobile antenna to 144      K7ARR                90  May 77
MHz (HN)
Decoder, control function                      WA9FTH               66  Mar 77
Detectors, fm, survey of                       W6GXN                22  Jun 76
Deviation measurement (letter)                 K5ZBA                68  May 71
Deviation measurements                         W3FQJ                52  Feb 72
Deviation meter (HN)                           VE7ABK               58  Dec 70
Deviation, measuring                           N6UE                 20  Jan 79
Digital scanner for 2-meter synthesizers       K4GOK                56  Feb 78
Digital touch-tone encoder for vhf fm          W7FBB                28  Apr 75
Discriminator, quartz crystal                  WA0JYK               67  Oct 75
Distortion in fm systems                       W5JJ                 26  Aug 69
DTMF controller for repeaters                  WB4FXD               47  Sep 85
Encoder, combined digital and burst            K8AUH                48  Aug 69
European vhf-fm repeaters                      SM4GL                80  Sep 76
External frequency programmer (HN)             WB9VWM               92  Apr 79
Filter, 455-kHz for fm                         WA0JYK               22  Mar 72
FM advantage                                   WA9GDZ6              38  Sep 84
Fm demodulator using the phase-locked-loop     KL7IPS               74  Sep 78
Fm demodulator using the phase-locked-loop     Comments              6  Apr 79
                                               Anderson,
Fm demodulator, TTL                            W3FQJ                66  Nov 72
Fm receiver frequency control (letter)         W3AFN                65  Apr 71
FM repeater separation : 20 kHz, Yes, 15       WD5IBS               12  Aug 85
kHz, No
Fm techniques and practices for vhf amateurs   W6SAI                 8  Sep 69
Fm techniques and practices for vhf amateurs   Short circuit        79  Jun 70
Fm transmitter, solid-state two-meter          W6AJF                14  Jul 71
Fm transmitter, Sonobaby, 2 meter              WA0UZO                8  Oct 71
Fm transmitter, Sonobaby, 2 meter              Short circuit        96  Dec 71
Fm transmitter, Sonobaby, 2 meter              Crystal deck for     26  Oct 72
                                               Sonobaby
Folded whip antenna for vhf mobile -           WB2IFV               50  Apr 79
Weekender
Forget memory (Ni-Cd discussion)               K0OV                 62  Jan 83
Frequency meter, two-meter fm                  W4JAZ                40  Jan 71
Frequency meter, two-meter fm                  Short circuit        72  Apr 71
Frequency synthesizer sidebands, filter        K1PCT                80  Jun 77
reduces (HN)
Frequency synthesizer, for two-meter fm        WB4FPK               34  Jul 73
Frequency synthesizer, inexpensive all-        W0OA                 50  Aug 73
channel, for two-meter fm
Frequency synthesizer, inexpensive all-        Correction           65  Jun 74
channel, for two-meter fm                      (letter)
Frequency synthesizers, 600 kHz offset for     K6KLO                96  Jul 78
(HN)
Frequency-synthesizer, one-crystal for two-    W0MV                 30  Sep 73
meter fm
High performance vhf fm transmitter            WA2GCF               10  Aug 76
I-f system, multimode                          WA2IKL               39  Sep 71
IC-230 modification (HN)                       W8PEY                80  Mar 77
IC-255A switching circuit (HN)                 WB6IQV               70  Jan 83
IC-255A switching circuit (HN)                 Comments, WA4MZZ      8  Jun 83
Identifier, programmable repeater              W6AYZ                18  Apr 69
Identifier, programmable repeater              Short circuit        76  Jul 69
Improved repeater/transmitter noise            K1ZJH               104  Apr 86
performance (HN)
Indicator, sensitive rf                        WB9DNI               38  Apr 73
Interface problems, fm equipment (HN)          W9DPY                58  Jun 75
Interference, scanning receiver (HN)           K2YAH                70  Sep 72
Linear translators                             WB6JNN               14  Sep 83
Logic oscillator for multi-channel crystal     W1SNN                46  Jun 73
control
Magnet mount antenna, portable (HN)            WB2YYU               67  May 76
Microprocessor repeater controller             KB5F                 56  Apr 83
Mobile antenna, magnet-mount                   W1HCI                54  Sep 75
Mobile antennas, vhf, comparison of            W4MNW                52  May 77
Mobile operation with the Touch-Tone pad       W0LPQ                58  Aug 72
Mobile operation with the Touch-Tone pad       Correction           90  Dec 72
Mobile operation with the Touch-Tone pad       Modification         72  Apr 73
                                               (letter)
Mobile rig, protecting from theft (C&T)        W1DTY                42  Apr 76
Modulation standards for vhf fm                W6TEE                16  Jun 70
Monitor receivers, two-meter fm                WB5EMI               34  Apr 74
Motorola channel elements                      WB4NEX               32  Dec 72
Motorola fm receiver mods (HN)                 VE4RE                60  Aug 71
Motorola P-33 series, improving the            WB2AEB               34  Feb 71
Motorola voice commander, improving            W0DKU                70  Oct 70
Motrac receivers (letter)                      K5ZBA                69  Jul 71
Multimode transceivers, fm-ing on uhf (HN)     W6SAI                98  Nov 77
Narrow-band fm system. using ICs in            W6AJF                30  Oct 68
Ni-cad charger, any-state                      WA6TBC               66  Dec 79
Phase modulation principles and techniques     VE2BEN               28  Jul 75
Phase modulation principles and techniques     Correction           59  Dec 75
Phase-locked loop, tunable, 28 and 50 MHz      W1KNI                40  Jan 73
Power amplifier, rf 220-MHz fm                 K7JUE                 6  Sep 73
Power amplifier, rf, 144 MHz                   Hatchett              6  Dec 73
Power amplifier, rf, 144-MHz fm                W4CGC                 6  Apr 73
Power amplifier, two-meter fm, 10-watt         W1DTY                67  Jan 74
Power supply, regulated ac for mobile fm       WA8TMP               28  Jun 73
equipment
Preamplifier for handi-talkies                 WB2IFV               89  Oct 78
Preamplifier, two meter                        WA2GCF               25  Mar 72
Preamplifier, two meter                        W8BBB                36  Jun 74
Private call system for vhf fm                 WA6TTY               62  Sep 77
Private call system for vhf fm (HN)            W9ZTK                77  Feb 78
Private-line, adding to Heath HW-202           WA8AWJ               53  Jun 74
Push-to-talk for Styleline telephones          W1DRP                18  Dec 71
Receiver alignment techniques, vhf fm          K4IPV                14  Aug 75
Receiver for six and two meters,               W1SNN                54  Feb 74
multichannel fm
Receiver for two meter, fm                     W9SEK                22  Sep 70
Receiver for two meter, fm                     Short circuit        72  Apr 71
Receiver isolation, fm repeater (HN)           W1DTY                54  Dec 70
Receiver performance of vacuum-tube vhf-fm     W0GGV                52  Oct 76
equipment, how to improve
Receiver performance, comparison of            VE7ABK               68  Aug 72
Receiver, modular fm communications            K8AUH                32  Jun 69
Receiver, modular fm communications            Correction           71  Jan 70
Receiver, modular, for two-meter fm            WA2GBF               42  Feb 72
Receiver, modular, for two-meter fm            Added notes          73  Jul 72
Receiver, tunable vhf fm                       K8AUH                34  Nov 71
Receiver, vhf fm                               WA2GCF                6  Nov 72
Receiver, vhf fm                               WA2GCF                8  Nov 75
Receiver, vhf fm (letter)                      K8IHO                76  May 73
Receivers, setup using hf harmonics (HN)       K9MM                 89  Nov 78
Relay, operational-amplifier, for Motorola     W6GDO                16  Jul 73
receivers
Remote base, an alternative to repeaters       WA6LBV, WA6FVC       32  Apr 77
Remote repeater programming using a computer   KD9BC                89  Mar 86
and a telephone
Repeater antenna beam tilting                  K7NM                 29  May 83
Repeater antenna beam tilting                  Short circuit        80  Jul 83
Repeater channel spacing (letter)              WB6JPI               90  Jan 78
Repeater control with simple timers            W2FPP                46  Sep 72
Repeater control with simple timers            Correction           91  Dec 72
Repeater decoder, multi-function               WA6TBC               24  Jan 73
Repeater etiquette (letter)                    W1OLP                 8  Oct 83
Repeater installation                          W2FPP                24  Jun 73
Repeater Interference: some corrective         W4MB                 54  Apr 78
actions
Repeater jammers, tracking down                W4MB                 56  Sep 78
Repeater kerchunk eliminator                   WB6GTM               70  Oct 77
Repeater linking, carrier-operated relay for   K0PHF                57  Jul 76
Repeater problems                              VE7ABK               38  Mar 71
Repeater shack temperature, remote checking    ZL2AMJ               84  Sep 77
Repeater transmitter, improving                W6GDO                24  Oct 69
Repeater, high-tech: designing and building    WA6CAY               82  Feb 85
an FM translator
Repeater, receiving system degradation         K5ZBA                36  May 69
Repeaters, single-frequency fm                 W2FPP                40  Nov 73
Repeaters, speech synthesis for                N9EE                 79  Mar 84
Repeaters, three circuits for (HN)             N9EE                 91  Jan 84
Reset timer, automatic                         W5ZHV                54  Oct 74
S-meter for Clegg 27B (HN)                     WA2YUD               61  Nov 74
S-meter, audible, for repeaters                ZL2AMJ               49  Mar 77
Satellite receivers for repeaters              WA4YAK               64  Oct 75
Scanner, two-channel, for repeater monitoring  W8GRG                48  Oct 76
Scanner, vhf receiver                          K2LZG                22  Feb 73
Scanning receiver modifications, vhf fm        WA5WOU               60  Feb 74
Scanning receiver, improved for vhf fm         WA2GCF               26  Nov 74
Scanning receivers for two-meter fm            K4IPV                28  Aug 74
Sequential encoder, mobile fm                  W3JJU                34  Sep 71
Sequential switching for Touch-Tone repeater   W8GRG                22  Jun 71
control
Simple scope monitor for vhf fm                W1RHN                66  Aug 78
Single-frequency conversion, vhf/uhf           W3FQJ                62  Apr 75
Single-sideband fm, introduction to            W3EJD                10  Jan 77
Single-tone decoder                            WA2UMY               70  Aug 78
Solar powered repeater design                  WB5REA/WB5RSN        28  Dec 78
Speech processor for fm transmitters           G4CLF, G3RZP         76  Mar 82
Squelch circuit, another (HN)                  WB4WSU               78  Oct 76
Squelch circuits for transistor radios         WB4WSU               36  Dec 75
Squelch, smart                                 W6NRW                37  Jun 83
Squelch-audio amplifier for fm receivers       WB4WSU               68  Sep 74
State-of-the-art auto dialer                   K2MWU                21  Dec 83
State-of-the-art auto dialer                   Short circuit        10  Feb 84
State-of-the-art auto dialer                   Short circuit        10  Mar 84
State-of-the-art auto dialer                   Comments, WD9EIA      8  Feb 88
Subaudible tone encoders and decoders          W8GRG                26  Jul 78
Synthesized channel scanning                   WA0UZO               68  Mar 77
Synthesized two-meter fm transceiver           W1CMR, K1IJZ         10  Jan 76
Synthesized two-meter fm transceiver           Letter, W5GQV        78  Sep 76
Synthesizer, 144 MHz, 800-channel              K4VB, WA4GJT         10  Jan 79
Synthesizer, 144-MHz CMOS                      K9LHA                14  Dec 79
Telephone controller for remote repeater       K0PHF, WA0UZO        50  Jan 76
operation
Telephone controller for remote repeater       Precautions          79  Apr 77
operation                                      (letter)
Telephone controller, automatic for your       K0PHF, WA0UZO        44  Nov 74
repeater
Test set for Motorola radios                   K0BKD                12  Nov 73
Test set for Motorola radios                   Short circuit        58  Dec 73
Test set for Motorola radios                   Added note           64  Jun 74
                                               (letter)
Time-out warning indicator for fm repeater     K3NEZ                62  Jun 76
users
Timer, simple (HN)                             W3CIX                58  Mar 73
Tone burst generator for European repeaters    Comments, K2MWU       8  Feb 83
Tone burst generator for European repeaters    WA3EEC               88  Jul 86
Tone encoder and secondary frequency           K8AUH                66  Jun 69
oscillator (HN)
Tone encoder, universal for vhf fm             W6FUB                17  Jul 75
Tone encoder, universal for vhf fm             Correction           58  Dec 75
Tone generator, IC                             Ahrens               70  Feb 77
Tone generator, IC (HN)                        W6IPB                88  Mar 79
Tone-alert decoder                             W8ZXH                64  Nov 78
Tone-burst generator (HN)                      K4COF                58  Mar 73
Tone-burst generator for repeater accessing    WA5KPG               68  Sep 77
Tone-burst generator for repeater accessing    Short circuit        94  Feb 79
Tone-burst keyer for fm repeaters              W8GRG                36  Jan 72
Touch-tone circuit, mobile                     K7QWR                50  Mar 73
Touch-tone decoder                             KC9C                 27  Apr 83
Touch-tone decoder, IC                         W3OG                 26  Jul 78
Touch-tone decoder, multi-function             K0PHF, WA0UZO        14  Oct 73
Touch-tone decoder, third generation           WA7DPX               36  Feb 80
Touch-tone decoder, third generation           Short circuit        67  Sep 80
Touch-tone decoder, three-digit                W6AYZ                37  Dec 74
Touch-tone decoder, three-digit                Circuit board for    62  Sep 75
Touch-tone encoder                             W3HB                 41  Aug 77
Touch-tone hand-held                           K7YAM                44  Sep 75
Touch-tone handset, converting slim-line       K2YAH                23  Jun 75
Transceiver for two-meter fm, compact          W6AOI                36  Jan 74
Transmitter for two meters, phase-modulated    W6AJF                18  Feb 70
Transmitter, two-meter fm                      W9SEK                 6  Apr 72
Tunable receiver modification for vhf fm       WB6VKY               40  Oct 74
Two-meter synthesizer, direct output           WB2CPA               10  Aug 77
Two-meter synthesizer, direct output           Short circuit        68  Dec 77
Up/down repeater-mode circuit for two-meter    WB4PHO               40  Jan 77
synthesizers, 600 kHz
Up/down repeater-mode circuit for two-meter    Short circuit        94  May 77
synthesizers, 600 kHz
Vertical antennas, truth about 5/8-wavelength  K0DOK                48  May 74
Vertical antennas, truth about 5/8-wavelength  Added note           54  Jan 75
                                               (letter)
Weather monitor receiver, retune to two-       W3WTO                56  Jan 75
meter fm (HN)
Whip, 5/8-wave, 144 MHz (HN)                   VE3DDD               70  Apr 73
ZIA connection: a multi-state 2-meter          K5XY                 30  Oct 86
repeater link

hazards

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
AC line transient protection                   N6JH                 59  Apr 86
Common-point Grounding: Lightning Protection   K17JH                24  Jul 89
for Repeaters
Electric shock, the effects and treatment of   NY6U                 85  Mar 84
Lightning and electrical transient protection  KR7L                 73  Dec 83
Practically Speaking: safety standdown for     K4IPV                48  Jun 90
those who service ham gear
Protect Your Amateur Station from Lightning    KY9L                 25  Sep 89
When hazardous waste comes home: PCBs in the   KALLBO               42  Dec 83
ham shack

integrated circuits

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
2716 EPROM programmer                          N3CA                 32  Apr 82
555 timer operational characteristics          WB6FOC               32  Mar 79
Active filters                                 K6JM                 70  Feb 78
Amateur uses of the MC1530 IC                  W2EEY                42  May 68
Amplifiers, broadband IC                       W6GXN                36  Jun 73
Applications, potpourri of IC                  W1DTY, Thorpe         8  May 69
Audio-power ICs                                W3FQJ                64  Jan 76
Balanced modulator, an integrated-circuit      K7QWR                 6  Sep 70
Binary coded decimal addition (HN)             WA9HUV               66  Apr 82
Binary coded decimal addition (HN)             Comment,              8  Dec 82
                                               Schiffler,
C L logic circuit                              W1DTY                 4  Mar 75
Cmos logic circuits                            W3FQJ                50  Jun 75
CMOS programmable divide-by-N counter (HN)     W7BZ                 94  Jan 78
Counter gating sources                         K6KA                 48  Nov 70
Counter reset generator (HN)                   W3KBM                68  Jan 73
Digital counters (letter)                      W1GGN                76  May 73
Digital ICs, part I                            W3FQJ                41  Mar 72
Digital ICs, part II                           W3FQJ                58  Apr 72
Digital ICs, part II                           Correction           66  Nov 72
Digital mixers                                 WB8IFM               42  Dec 73
Digital multivibrators                         W3FQJ                42  Jun 72
Digital oscillators and dividers               W3FQJ                62  Aug 72
Digital readout station accessory, part I      K6KA                  6  Feb 72
Digital station accessory, part II             K6KA                 50  Mar 72
Digital station accessory, part III            K6KA                 36  Apr 72
Divide-by-n counters, high-speed               W1OOP                36  Mar 76
Electronic counter dials, IC                   K6KA                 44  Sep 70
Electronic keyer, cosmos IC                    WB2DFA                6  Jun 74
Electronic keyer, cosmos IC                    Short circuit        62  Dec 74
Emitter-coupled logic                          W3FQJ                62  Sep 72
Exar XR-205 waveform generator as              W6WR                 79  Jul 79
capacitance meter (HN)
Flip-flops                                     W3FQJ                60  Jul 72
Flop-flip, using (HN)                          W3KBM                60  Feb 72
FSK tone generator using an IC tone dialer     Nagel, David         88  Apr 83
(HN)
Function generator, IC                         W1DTY                40  Aug 71
Function generator, IC                         K4DHC                22  Jun 74
Gain control IC for audio signal processing    Jung                 47  Jul 77
I L logic circuits                             W1DTY                 4  Nov 75
IC arrays                                      K6JM                 42  Sep 78
IC op amp update                               Jung, Waiter         62  Mar 78
IC power (HN)                                  W3KBM                68  Apr 72
IC tester, TTL                                 WA4LCO               66  Aug 76
IC-regulated power supply for ICs              W6GXN                28  Mar 68
Integrated circuits, part I                    W3FQJ                40  Jun 71
Integrated circuits, part II                   W3FQJ                58  Jul 71
Integrated circuits, part III                  W3FQJ                50  Aug 71
Logic families, IC                             W6GXN                26  Jan 74
Logic monitor (HN)                             WA5SAF               70  Apr 72
Logic monitor (HN)                             Correction           91  Dec 72
Logic test probe                               VE6RF                53  Dec 73
Logic test probe (HN)                          Rossman              56  Feb 73
Logic test probe (HN)                          Short circuit        58  Dec 73
Low-cost linear ICs                            WA7KRE               20  Oct 69
Low-pass filter, integrated circuit            WB2KTG               59  Jan 85
Missent ID                                     K6KA                 25  Apr 76
Modular modulos                                W9SEK                63  Aug 70
Motorola MC1530 IC, amateur uses for           W2EEY                42  May 68
Multi-function integrated circuits             W3FQJ                46  Oct 72
National LM373, using in ssb transceiver       W5BAA                32  Nov 73
Op amp (741) circuit design                    WA5SNZ               26  Apr 76
Op amp challenges the 741                      WA5SNZ               76  Jan 78
Operational amplifiers                         WB2EGZ                6  Nov 69
Phase-locked loops, IC                         W3FQJ                54  Sep 71
Phase-locked loops, IC, experiments with       W3FQJ                58  Oct 71
Plessey SL600-series ICs, how to use           G8FNT                26  Feb 73
Practically Speaking: getting to know the      K4IPV                77  Jan 90
logic families, part 2: CMOS
Practically Speaking: Getting to Know the      K4IPV                34  Dec 89
Logic Families- pt 1: TTL
Removing ICs (HN)                              W6NIF                71  Aug 70
Seven-segment readouts, multiplexed            W5NPD                37  Jul 75
Simple eeprom programmer                       WA2IHE               40  Jan 90
Socket label for ICs (HN)                      WA4WDL, WB4LJM       94  Jan 78
Ssb detector, IC (HN)                          K4ODS                67  Dec 72
Ssb detector, IC (HN)                          Correction           72  Apr 73
                                               (letter)
Ssb equipment, using TTL ICs in                G4ADJ                18  Nov 75
Static electricity and modern integrated       K4KEF                33  Mar 84
circuits
Surplus ICs (HN)                               W4AYV                68  Jul 70
Sync generator, IC, for ATV                    W0KGI                34  Jul 75
The Guerri report                              W6MGI               124  Jan 86
The Guerri report: microchips                  W6MGI               109  Jul 86
The Guerri report: superchips come of age      W6MGJ               126  Feb 85
TouchTone decoder, an Improved                 N6JH                 24  Dec 82
Transceiver, 9-MHz ssb, IC                     G3ZVC                34  Aug 74
Transceiver, 9-MHz ssb, IC                     Circuit change       62  Sep 75
                                               (letter)
TTL ICs, simple tests for                      W6ALF                37  Mar 82
TTL oscillator (HN)                            WB6VZM               77  Feb 78
TTL sub-series ICs, how to select              WA1SNG               26  Dec 77
U/ART, how it works                            Titus                58  Feb 76
Using ICs in a nbfm system                     W6AJF                30  Oct 68
Using ICs with single-polarity power supplies  W2EEY                35  Sep 69
Using integrated circuits (HN)                 W9KXJ                69  May 69
Voltage regulators                             W6GXN                31  Mar 77
Voltage regulators, IC                         W7FLC                22  Oct 70
Voltage-regulator ICs, adjustable              WB9KEY               36  Aug 75
Voltage-regulator ICs, three-terminal          WB5EMI               26  Dec 73
Voltage-regulator ICs, three-terminal          Added note           73  Sep 74
                                               (letter)
Vtvm, convert to an IC voltmeter               K6VCI                42  Dec 74

keying and control

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Accu-keyer speed readout                       K5MAT                60  Sep 79
Accu-Mill, keyboard interface for the Accu-    WN9OVY               26  Sep 76
Keyer
ASCII-to-Morse code translator                 Morley, Scharon      41  Dec 76
Automatic beeper for station control           WA6URN               38  Sep 76
Biquad bandpass filter for CW                  N0DE                 70  Jun 79
Biquad bandpass filter for CW                  Short circuit        92  Sep 79
Biquad bandpass filter for CW                  Comments              6  Nov 79
Break-in circuit, CW                           W8SYK                40  Jan 72
Break-in control system, IC (HN)               W9ZTK                68  Sep 70
Bug, solid-state                               K2FV                 50  Jun 73
Call sign identifier: programmable             WB3CEH               33  Feb 85
Carrier-operated relay                         K0PHF, WA0UZO        58  Nov 72
Cathode key with the Heath HD-1410 (HN)        K9XM, N9MX           80  Jan 82
CMOS keyer, simple                             HB9ABO               70  Jan 79
Cmos keying circuits (HN)                      WB2DFA               57  Jan 75
Code speed counter                             K8TT                 86  Feb 79
Constant pitch monitor for cathode or grid-    K4GMR               100  Sep 78
block keyed transmitters (HN)
Contest keyer (HN)                             K2UBC                79  Apr 70
Contest keyer, programmable                    W7BBX                10  Apr 76
CW break-in, quieting amplifiers for           W1DB                 46  Jan 79
CW Identifier, versatile                       WB2BWJ               22  Oct 80
CW Identifier, versatile                       Short circuit        70  Feb 82
CW keyboard using the APPLE II computer        W6WR                 60  Oct 80
CW memory modification (HN)                    W0DLQ                93  May 81
CW operator's PAL                              W2YE                 23  Apr 79
CW reception, enhancing through a simulated-   WA1MKP               61  Oct 74
stereo technique
CW regenerator for interference-free           Leward, WB2EAX       54  Apr 74
communications
CW sidetone (C&T)                              W1DTY                51  Jun 76
CW signal processor                            W7KGZ                34  Oct 78
CW signal processor                            Comments, VE3CBJ      6  Jun 79
Dasher                                         KH6JF                68  Mar 79
Deluxe memory keyer with 3072-bit capacity     W3VT                 32  Apr 79
Deluxe memory keyer with 3072-bit capacity     Short circuit        92  Sep 79
Deluxe memory keyer with 3072-bit capacity     Short circuit        89  Jan 82
Differential keying circuit                    W4IYB                60  Aug 76
Electronic hand keyer                          K5TCK                36  Jun 71
Electronic keyer                               OK3IA                10  Apr 78
Electronic keyer notes (HN)                    ZL1BN                74  Dec 71
Electronic keyer package, compact              W4ATE                50  Nov 73
Electronic keyer with random-access memory     WB9FHC                6  Oct 73
Electronic keyer with random-access memory     Corrections          58  Dec 74
                                               (letter)
Electronic keyer with random-access memory     Increased            62  Mar 75
                                               flexibility (HN)
Electronic keyer with random-access memory     Corrections          57  Jun 75
                                               (letter)
Electronic keyer with random-access memory     Improvements         76  Feb 77
                                               (letter)
Electronic keyer, 8043 IC                      W6GXN                 8  Apr 75
Electronic keyer, cosmos IC                    WB2DFA                6  Jun 74
Electronic keyer, cosmos IC                    Short circuit        62  Dec 74
Electronic keyer, IC                           VE7BFK               32  Nov 69
Electronic keyers, simple IC                   WA5TRS               38  Mar 73
End-of-transmission K generator                G8KGV                58  Oct 79
Grid-block keying, simple (HN)                 WA4DHU               78  Apr 70
Ham radio techniques (10/84)                   W6SAI               106  Oct 84
Improving the WB3CEH programmable callsign     KL7XO                82  Sep 87
identifier (HN)
Improving transmitter keying                   K6KA                 44  Jun 76
Key and vox clicks (HN)                        K6KA                 74  Aug 72
Key toggle                                     W6NRW                50  Mar 79
Keyboard electronic keyer, the code mill       W6CAB                38  Nov 74
Keyer modification (HN)                        W9KNI                80  Aug 76
Keyer modification (HN)                        Comments             94  Nov 77
Keyer mods, micro-TO                           DJ9RP                68  Jul 76
Keyer paddle, portable                         WA5KPG               52  Feb 77
Keyer with memory (letter)                     Hansen, William       6  Dec 79
Keyer, simple, compact QRP (weekender)         W5FG                 82  Oct 84
Keyer, single-chip, for QRP (weekender)        W3HVK                70  Oct 82
Keying the Heath HG-10B vfo (HN)               K4BRR                67  Sep 70
Keying, paddle, Siamese                        WA5KPG               45  Jan 75
Latch circuit, dc                              W0LPQ                42  Aug 75
Latch circuit, dc                              Correction           58  Dec 75
Latching relay control (HN)                    K6HTM                94  May 83
Low-power keyer and interface                  K1HOP                68  Feb 83
Low-power keyer and interface                  Short circuit        97  Aug 83
Memo-key                                       WA7SCB               58  Jun 72
Memory accessory, programmable for             WA9LUD               24  Aug 75
electronic keyers
Memory keyer, (letter)                         W3VT                  6  Feb 80
Memory keyer, 2048-bit (HN)                    GW4CQT               73  Jun 80
Memory keyer, W7BBX (letter)                   SP2DX                 6  Jan 80
Microcomputer-based contest keyer              K9CW                 36  Jan 81
Microprocessor repeater controller             KB5F                 56  Apr 83
Micros and VHF beacons transmit messages       K9EI                 51  Jul 85
automatically
Mini-paddle                                    K6RIL                46  Feb 69
Morse Code tutor                               N3SE                 45  Jun 85
Morse generator, keyboard                      W7CUU                36  Apr 75
Morse keyboard, an easier approach to          W1KZ                 80  Apr 84
mastering the
Morse sounder, radio controlled (HN)           K6QEQ                66  Oct 71
Morse time synthesis                           N3SE                 17  Apr 83
Oscillators, electronic keyer                  WA6JNJ               44  Jun 70
Paddle for electronic keyers                   ZS6AL                28  Apr 78
Paddle, electronic keyer (HN)                  KL7EVD               68  Sep 72
Paddle, homebrew keyer                         W3NK                 43  May 69
Programmable accessory for electronic keyers   K9WGN/W0USL          81  Aug 78
(HN)
Programmable keyer, Autek MK-1, expanded       N9AKT                58  Jan 80
memory for
Push-to-talk for Styleline telephones          W1DRP                18  Dec 71
QRP TLC-keyer (Weekender)                      K1BQT                72  Jan 90
Radio Shack ASCII keyboard encoder for micro-  VE7ZV                72  Oct 80
processor-controlled CW keyboard, using (HN)
RAM keyer update                               K3NEZ                60  Jan 76
Relay activator (HN)                           K6KA                 62  Sep 71
Relay, transistor replaces (HN)                W3NK                 72  Jan 70
Relays, surplus (HN)                           W2OLU                70  Jul 70
Relays, undervoltage (HN)                      W2OLU                64  Mar 71
Remote control hf operation                    K5QY                 32  Apr 83
Remote control hf operation                    Short circuit        97  Aug 83
Remote keying your transmitter (HN)            WA3HOU               74  Oct 69
Remotely controlled stations: a look at a      WA6EJO               48  Sep 86
successful remote base
Reset timer, automatic                         W5ZHV                54  Oct 74
Sending CW                                     KA4QVK               75  Jun 83
Sequential switching (HN)                      W5OSF                63  Oct 72
Solenoid rotary switches                       W2EEY                36  Apr 68
Solid-state CW T-R system                      W4RNL                62  Mar 83
Station control center                         W7OE                 26  Apr 68
Step-start circuit, high-voltage (HN)          W6VFR                64  Sep 71
Suppression networks, arc (HN)                 WA5EKA               70  Jul 73
Ten-Tec 645 ultramatic keyer mods (HN)         K4JST                70  Dec 82
Testing baluns                                 K4KJ                 30  Aug 83
Time base, calibrated electronic keyer         W1PLJ                39  Aug 75
Timer, ten-minute (HN)                         DJ9RP                66  Nov 76
Transceiver diplexer: an alternative to        N6RY                 71  Dec 80
relays
Transistor switching for electronic keyers     W3QBO                66  Jun 74
(HN)
Transmit/receive switch PIN diode              W9KHC                10  May 76
Transmitter switching, solid-state             W2EEY                44  Jun 68
Typewriter-type electronic keys, further       W6PRO                26  Mar 70
automation for
Vox and mox systems for ssb                    Belt                 24  Oct 68
Vox keying (HN)                                VE7IG                83  Dec 69
Vox, IC                                        W2EEY                50  Mar 69
Vox, versatile                                 W9KIT                50  Jul 71
Vox, versatile                                 Short circuit        96  Dec 71
WPM readout for deluxe memory keyer            WA1OEH               50  Apr 82
(weekender)

measurements and test equipment

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
1.5GHz prescaler, divide by 4                  N6JH                 88  Dec 78
2.3GHz prescaler                               N6JH                 21  Jan 87
A-m modulation monitor, vhf (HN)               K7UNL                67  Jul 71
Absorption measurements, using your signal     W2OUX                79  Oct 76
generator for
Ac current monitor (letter)                    WB5MAP               61  Mar 75
AC power-line monitor                          W2OLU                46  Aug 71
Add a digital readout to the "poor man's       WA2PZO               84  Sep 88
spectrum analyzer"
AFSK generator, crystal-controlled             K7BVT                13  Jul 72
AFSK generator, phase-locked loop              K7ZOF                27  Mar 73
Amateur frequency measurements                 K6KA                 53  Oct 68
An i-f sweep generator                         W2ZUC               101  Jan 87
An rf voltmeter                                G4COL                65  Nov 87
Antenna and transmission line measurement      W4OQ                 36  May 74
techniques
Antenna bridge calculations                    Anderson,            34  May 78
                                               Leonard H.
Antenna bridge calculations (letter)           W5QJR                 6  May 78
Antenna gain, measuring                        K6JYO                26  Jul 69
Antenna matcher                                W4SD                 24  Jun 71
Automatic noise-figure measurements (Repair    W6NBI                40  Aug 78
Bench)
Base step generator                            WB4YDZ               44  Jul 76
Battery charger sensor                         W3BYM                54  Dec 82
BC221, unusual                                 VK2ZH                22  Jan 83
Beta master, the                               K8ERV                18  Aug 68
Bridge for antenna measurements, simple        W2CTK                34  Sep 70
Bridge measurements, the half-wave             K4KI                108  Nov 84
transmission line in (HN)
Bridge, noise, for impedance measurements      YA1GJM               62  Jan 73
Bridge, noise, for impedance measurements      Added notes          66  May 74
Bridge, noise, for impedance measurements      Added notes          60  Mar 75
Bridge, rf noise                               WB2EGZ               18  Dec 70
Broadband reflectometer and power meter        VK2ZTB, WB2ZZO       28  May 79
Build this simple L-C checker                  W5FG                 19  Dec 88
Calibrating ac scales on the vtvm, icvm and    W7KQ                 48  Sep 76
fet voltmeter
Calibrating series-resistance capacitance      Caron                27  Dec 88
bridges (HN)
Calibrator, plug-in IC                         K6KA                 22  Mar 69
Calibrators and counters                       K6KA                 41  Nov 68
Capacitance measurements with a frequency      Moran, John          62  Oct 79
counter - Weekender
Capacitance meter                              Mathieson, P. H.     51  Feb 78
Capacitance meter, (simplified),               WA3CPH               54  Mar 80
improvements to
Capacitance meter, digital                     K4DHC                20  Feb 74
Capacitance meter, direct reading, for         W9DJZ                14  Oct 71
electrolytics
Capacitance meter, direct-reading              ZL2AUE               46  Apr 70
Capacitance meter, direct-reading              W6MUR                48  Aug 72
Capacitance meter, direct-reading              Short circuit        64  Mar 74
Capacitance meter, direct-reading              WA5SNZ               32  Apr 75
Capacitance meter, direct-reading              Added note           31  Oct 75
Capacitance meter, simplified                  WA5SNZ               78  Nov 78
Capacitive-reactance meter multiplier (HN)     K4KI                 89  Apr 83
Coaxial cable, checking (letter)               W2OLU                68  May 71
Coaxial-line loss, measuring with a            W2VCI                50  May 72
reflectometer
Continuity bleeper for circuit tracing         G3SBA                67  Jul 77
Continuity tester, simple                      WD6GMB              130  Sep 85
Converter, mosfet, for receiver                WA9ZMT               62  Jan 71
instrumentation
Counter control pulses (HN)                    W9LL                 70  Apr 80
Counter gating sources                         K6KA                 48  Nov 70
Counter readouts, switching (HN)               K6KA                 66  Jun 71
Counter reset generator (HN)                   W3KBM                68  Jan 73
Counter, compact frequency                     K4EEU                16  Jul 70
Counter, compact frequency                     Short circuit        72  Dec 70
Counters: a solution to the readout problem    WA0GOZ               66  Jan 70
CRT intensifier for RTTY                       K4VFA                18  Jul 71
Crystal checker                                W6GXN                46  Feb 72
Crystal test oscillator and signal generator   K4EEU                46  Mar 73
Crystal-controlled frequency markers (HN)      WA4WDK               64  Sep 71
Cubical quad measurements                      W4YM                 42  Jan 69
Current monitor mod                            Letter               61  Mar 75
Curve master, the                              K8ERV                40  Mar 68
Decade standards, economical (HN)              W4ATE                66  Jun 71
Deluxe logic probe                             M. Wilde             74  Jan 87
Detailed look at probes                        Martin, and Davis    75  Sep 85
Detector, logarithmic, wideband                PA0CX, DJ0SA         75  Jul 85
Deviation, measuring                           N6UE                 20  Jan 79
Digital capacitance meter                      K4GOK                66  Aug 80
Digital counters (letter)                      W1GGN                76  May 73
Digital field strength meter                   N4TMI                30  May 90
Digital readout station accessory, part I      K6KA                  6  Feb 72
Digital station accessory, part II             K6KA                 50  Mar 72
Digital station accessory, part Ill            K6KA                 36  Apr 72
Diode noise source for receiver noise          W6NBI                32  Jun 79
measurements
Diode tester                                   W6DOB                46  Jan 77
Diode tester (HN)                              W2OLU                90  Apr 83
Dip meters, a new look at                      W6GXN                25  Aug 81
Dip-meter converter for VLF                    W4YOT                26  Aug 79
Dipper without plug-in coils                   W6BLZ                64  May 68
Dual wattmeter, 50-500 MHz                     WB4EHS               67  Jul 85
Dummy load and rf wattmeter, low-power         W2OLU                56  Apr 70
Dummy load low-power vhf                       WB9DNI               40  Sep 73
Dummy loads                                    W4MB                 40  Mar 76
Dummy loads, experimental                      W8YFB                36  Sep 68
Dynamic transistor tester (HN)                 VE7ABK               65  Oct 71
Electrical calibration standards               Martin, Vaughn D.    10  Oct 83
Electrolytic capacitors, measurement of (HN)   W2NA                 70  Feb 71
Electrolytic capacitors, measuring             KP4DIF               24  Sep 80
capacitance of
Elmer's notebook: power measurements           W1SL                100  Jan 88
Elmer's Notebook: Simple Instruments RF        W1SL                 91  Nov 89
Output Monitor
Elmer's notebook: standing wave ratio- what    W1SL                 98  Feb 88
does it mean?
Elmer's Notebook: Test Equipment-Easy and      W1SL                 86  Oct 89
Useful
Elmer's Notebook: Visual Aids- Oscilloscopes   W1SL                 92  Jun 89
EMI/RFI shielding: new techniques part1        Martin, Vaughn D.    72  Jan 84
EMI/RFI shielding: new techniques part2        Martin, Vaughn D.    85  Feb 84
Extend Your DVM's Measurement Capabilities     N6YC                 72  Oct 89
Extended-range VU meter                        WB6JNN               59  Sep 86
Field strength meter, sensitive                K4KI                 51  Jan 85
Field-strength meter for the high-frequency    WB6AFT               42  Jul 81
Amateur bands
Filter tester, simple (HN)                     W6XM                116  Dec 84
Fm deviation measurement (letter)              K5ZBA                68  May 71
Fm deviation measurements                      W3FQJ                52  Feb 72
Fm frequency meter, two-meter                  W4JAZ                40  Jan 71
Fm frequency meter, two-meter                  Short circuit        72  Apr 71
Frequencies, counted (HN)                      K6KA                 62  Aug 74
Frequency and level standard                   PA0CX                10  Jan 86
Frequency and level standard                   Comments, WA8LLY      9  Jun 86
Frequency calibration using 60 kHz WWVB        W4ZPS                45  Mar 88
Frequency calibrator, general coverage         W5UQS                28  Dec 71
Frequency calibrator, how to design            W3AEX                54  Jul 71
Frequency counter, "smart"                     WA5VQK               41  Oct 84
Frequency counter, "smart"                     Short circuit       126  Apr 85
Frequency counter, 50 MHz, 6 digit             WB2DFA               18  Jan 76
Frequency counter, 50 MHz, 6 digit             Comment              79  Apr 77
Frequency counter, capacitance-measurement     W1ZUC                44  Apr 80
accuracy for
Frequency counter, capacitance-measurement     Short circuit        67  Sep 80
accuracy for
Frequency counter, CMOS                        W2OKO                22  Feb 77
Frequency counter, CMOS                        Short circuit        94  May 77
Frequency counter, front-ends for a 500-MHz    K4JIU                30  Feb 78
Frequency counter, high-impedance preamp and   I4YAF                47  Feb 78
pulse shaper for
Frequency counter, how to improve the          W1RF                 26  Oct 77
accuracy of
Frequency counter, K4JIU, modifications for    K4JIU                65  Mar 80
(HN)
Frequency counter, miniature                   K5WKQ                34  Oct 79
Frequency counter, modify for direct           WA1SNG               26  Feb 78
counting to 100 MHz
Frequency counter, simple (HN)                 W2QBR                81  Aug 78
Frequency counter, simplifying                 W1WP                 22  Feb 78
Frequency counter, simplifying                 Short circuit        94  Feb 79
Frequency counters, high-sensitivity           W1CFI                80  Oct 78
preamplifier for
Frequency counters, uhf and microwave          W6NBI                34  Sep 79
Frequency counters, understanding and using    W6NBI                10  Feb 78
Frequency measurement of received signals      W4AAD                38  Oct 73
Frequency measurement, vhf, with hf receiver   W3LB                 90  May 77
and scaler (HN)
Frequency meter, crystal controlled (HN)       W5JSN                71  Sep 69
Frequency scaler, 500-MHz                      W6URH                32  Jun 75
Frequency scaler, divide-by-ten                K4EEU                26  Aug 70
Frequency scaler, divide-by-ten                Short circuit        72  Apr 71
Frequency scaler, divide-by-ten                W6PBC                41  Sep 72
Frequency scaler, divide-by-ten                Correction           90  Dec 72
Frequency scaler, divide-by-ten                Added comments       64  Nov 73
                                               (letter)
Frequency scaler, uhf (11C90)                  WB9KEY               50  Dec 75
Frequency scalers, 1200-MHz                    WB9KEY               38  Feb 75
Frequency standard (HN)                        WA7JIK               69  Sep 72
Frequency standard, universal                  K4EEU                40  Feb 74
Frequency standard, universal                  Short circuit        72  May 74
Frequency synthesizer, high-frequency          K2BLA                16  Oct 72
Frequency-rnarker standard using cmos          W4IYB                44  Aug 77
Frequency-shift meter, RTTY                    VK3ZNV               33  Jun 70
Function generator, IC                         W1DTY                40  Aug 71
Function generator, IC                         K4DHC                22  Jun 74
Function generator, integrated circuit         N3FG                 30  Aug 80
Function/units indicator using LED displays    K0FOP                58  Mar 77
Gallon-size dummy load                         W4MB                 74  Jun 79
Gate-dip meter                                 W3WLX                42  Jun 77
Gdo, new uses for                              K2ZSQ                48  Dec 68
Grid current measurement in grounded-grid      W6SAI                64  Aug 68
amplifiers
Grid-dip meter, no-cost                        W8YFB                87  Feb 78
Grid-dip oscillator, solid-state conversion    W6AJZ                20  Jun 70
of
Ground rod resistance                          K4MT                 95  Jul 84
Ground rod resistance                          Comments              8  Sep 84
Ham radio techniques: time and frequency       W6SAI                37  Jun 88
station WWVS, minibeam design, etc
Harmonic generator (HN)                        W5GDQ                76  Oct 70
High-frequency receiver performance            G4OBU                33  Feb 88
High-impedance Rotary Step Attenuator          N2DCH                24  Feb 89
HP-IB greatly simplified                       Martin, Vaughn D.    65  Mar 88
I-f alignment generator 455-kHz                WA5SNZ               50  Feb 74
IF sweep generator, compact                    PA0CX, DJ0SA         35  Jun 85
Impedance bridge (HN)                          W6KZK                67  Feb 70
Impedance bridge measurement errors and        K4KJ                 22  May 79
corrections
Impedance bridge, low-cost RX                  W8YFB                 6  May 73
Impedance bridge, simple                       WA9QJP               40  Apr 68
Impedance matching                             WB2NTQ               85  Jul 83
Impedance, measuring with swr bridge           WB4KSS               46  May 75
Impulse generator, pulse-snap diode            Siegal, Turner       29  Oct 72
Inductance meter, easy-to-build                W6XM                 76  Apr 82
Inductance meter, easy-to-build                Comments, WB2LAO      8  Sep 82
Inductance meter, easy-to-build                Short circuit        79  Oct 82
Instrumentation and the ham                    VE3GFN               28  Jul 68
Instrumentation series: oscilloscopes          K7OWJ                49  Apr 90
Introduction to waveform generators - part 3   K4IPV                63  Jan 90
Introduction to Waveform Generators- pt 1      K4IPV                62  Sep 89
Introduction to Waveform Generators- pt 2      K4IPV                82  Dec 89
K4EEU frequency standard, battery backup for   N4BA                 68  Jul 81
(HN)
Keeping an Eye on Your Sideband PEP-The        GW4NAH               17  Sep 89
Weekender
L and C measurements                           WB6ZLN              117  Oct 84
L, C, R bridge, universal                      W6AOI                54  Apr 76
l-f sweep generator                            K4DHC                10  Sep 73
LED millivoltmeter (Weekender)                 W0JF                 82  Mar 90
Light-bulb dummy loads (HN)                    W6HPH                74  Oct 81
Line-voltage monitor (HN)                      WA8VFK               66  Jan 74
Linearity meter for ssb amplifiers             W4MB                 40  Jun 76
lntermodulation-distortion measurements on     W6VFR                34  Sep 74
ssb transmitters
Logic mate                                     N9CZK                57  Jan 83
Logic monitor (HN)                             WA5SAF               70  Apr 72
Logic monitor (HN)                             Correction           91  Dec 72
Logic probe                                    K9CW                 83  Feb 79
Logic probe (HN)                               Rozenthal, J.        91  Apr 83
Logic probe, digital                           N6UE                 38  Aug 80
Logic test probe                               VE6RF                53  Dec 73
Logic test probe (HN)                          Rossman              56  Feb 73
Logic test probe (HN)                          Short circuit        58  Dec 73
Low-cost spectrum analyzer with kilo-buck      W4UCH                82  Sep 86
features
Makeshift test equipment (HN)                  W7FS                 77  Sep 68
Measuring inductances                          K6HIK                85  Jul 83
Measuring noise figure                         K2BLA                26  Jan 84
Measuring small values                         W6SDM                74  Aug 83
Meter amplifier, electronic                    WA9HUV               38  Dec 76
Meter amplifiers, calibrating                  W4OHT                80  Sep 78
Meter interface, high-impedance                Laughlin             20  Jan 74
Meters, testing unknown (HN)                   W1ONC                66  Jan 71
Microfarad Counter,The                         PA0CX                85  May 89
Microphone calibration                         NY6U                 73  Jun 84
Microwave marker generator, 3cm band (HN)      WA4WDL               69  Jun 76
Milliammeters, how to use                      W4PSJ                48  Sep 75
Mini-spotter frequency checker                 W7OE                 48  May 68
Monitorscope, miniature                        WA3FIY               34  Mar 69
Monitorscope, RTTY                             W3CIX                36  Aug 72
Multi-box (HN)                                 W3KBM                68  Jul 69
Multi-featured function generator              WA7IRY                9  Apr 88
Multiplexed counter displays (HN)              K1XX                 87  May 78
Multitester (HN)                               W1DTY                63  May 71
NBS time and frequency survey                  NBS                  45  Jun 87
Noise bridge calculations with TI 58/59        WD4GA1               45  May 78
calculators
Noise bridge construction (letter)             OH2ZAZ                8  Sep 78
Noise bridge, antenna (HN)                     K8EEG                71  May 74
Noise bridge, precision                        K2ST                 51  Mar 83
Noise bridge, precision                        Comments              8  Jun 83
Noise bridge, precision                        Short circuit        97  Aug 83
Noise figure measurements                      W6NBI                40  Aug 78
Noise figure measurements                      Comments,             6  Aug 79
                                               WB5LHV, W6NBI
Noise figure, vhf, estimating                  WA9HUV               42  Jun 75
Noise generator, 1296-MHz                      W3BSV                46  Aug 73
Noise generators, using (HN)                   K2ZSQ                79  Aug 68
Noise-figure measurements for vhf              WB6NMT               36  Jun 72
Noise-figure meter, automatic, for             K9IMM                12  Feb 81
preamplifiers and converters
Novel Methods for Measuring Cable Attenuation  OE2APM               65  May 89
Ode to older oscilloscopes                     KR6A                 69  Jan 88
Ohmmeter, wide-range                           Bailey, John T.      53  Jan 84
Oscillator, audio                              W6GXN                50  Feb 73
Oscillator, frequency measuring                W6IEL                16  Apr 72
Oscillator, frequency measuring                Added notes          90  Dec 72
Oscillator, two-tone, for ssb testing          W6GXN                11  Apr 72
Oscilloscope calibrator (HN)                   K4EEU                69  Jul 69
Oscilloscope voltage calibrator                W6PBC                54  Aug 72
Oscilloscope, putting it to work               Allen                64  Sep 69
Oscilloscope, troubleshooting amateur gear     Allen                52  Aug 69
with
Panoramic adaptor spectrum analyzer design     Comments, K2CBY      12  Sep 83
notes
Panoramic adaptor spectrum analyzer design     WA6NCX/1             26  Sep 83
notes
Panoramic adaptor spectrum analyzer design     Short circuit        70  Oct 83
notes
Panoramic reception, simple                    W2EEY                14  Sep 68
Peak envelope power, how to measure            W5JJ                 32  Nov 74
PEP output power measurement                   VK3AFO               10  Jun 83
PEP output power measurement                   Comments, K4KYV      12  Sep 83
PEP Wattmeter                                  WA1SPI               76  Oct 89
Phase meter, rf                                VE2AYU, Korth        28  Apr 73
Power meter, rf                                K8EEG                26  Oct 73
Power meter, rf, how to use (repair bench)     W6NBI                44  Apr 77
Practically speaking                           K4IPV                79  Dec 85
Practically Speaking: analog meter             K4IPV                68  Mar 90
movements: how to use them
Practically Speaking: Antenna System           K4IPV                82  Feb 89
Instruments
Practically speaking: build your own time-     K4IPV                69  Jun 87
domain refiectometer
Practically speaking: building 'the poor       K4IPV                99  Mar 87
man's spectrum analyzer'
Practically speaking: function generator       K4IPV                89  Jan 87
circuits - part2
Practically speaking: generating low i-f       K4IPV                49  Dec 87
frequencies
Practically Speaking: More Digitally           K4IPV                78  Jul 89
Generated Sawtooth Plus Triangle Waves
Practically Speaking: review of a low cost     K4IPV                64  Feb 90
commercial spectrum analyzer
Practically speaking: revisiting 'the poor     K4IPV                49  Sep 87
man's spectrum analyzer'
Practically Speaking: RF Wattmeters and        K4IPV                75  Mar 89
Antenna VSWR Meters
Practically Speaking: some analog meter        K4IPV                36  Apr 90
applications
Practically Speaking: Test Equipment for       K4IPV                76  Nov 89
Digital Electronics
Practically speaking: testing diodes           K4IPV                65  Feb 87
Practically speaking: troubleshooting DC       K4IPV                57  Oct 87
power supplies with an oscilloscope
Practically speaking: using antenna noise      K4IPV                69  May 86
bridge
Practically speaking: using the digital        K4IPV                47  Apr 88
frequency counter- some pitfalls
Practically speaking: using the multimeter     K4IPV                43  Jul 86
Practically speaking: using the right          K4IPV                95  Jun 86
multimeter
Practically speaking: using voltage            K4IPV                49  Nov 87
comparators
Pre-scaler, vhf (HN)                           W6MGI                57  Feb 73
Precision capacitor                            W4BRS                61  Mar 68
Precision crystal frequency checker            N4TMI                44  Jun 90
(Weekender)
Prescaler, 1-GHz, for frequency counters       W6NBI                84  Sep 78
Prescaler, 600-Hz, for use with electronic     WA1SPI               50  Apr 80
counters
Prescaler, Improvements for                    W6PBC                30  Oct 73
Prescaler, vhf, for digital frequency          K4GOK                32  Feb 76
counters
Probe, sensitive rf (HN)                       W5JJ                 61  Dec 74
Q measurement                                  G3SBA                49  Jan 77
Q Meters                                       W3QOM                49  Dec 89
QRP wattmeter (HN)                             W6XM                110  Jul 84
Radio Shack meters, internal resistance        Katzenberger         94  Nov 77
Receiver alignment                             Allen                64  Jun 68
Receiver sweep alignment system                WB6BIH              124  Nov 84
Reflected power limiter                        K4KI                 63  Jul 88
Reflectometers                                 K1YZW                65  Dec 69
Regenerative detectors and a wideband          W8YFB                61  Mar 70
amplifier for experimenters
Repairs, thinking your way through             Allen                58  Feb 71
Required dynamic range and design guides for   DJ2LR                70  Nov 83
EMI/RFI test receivers
Resistance standard, simple (HN)               W2OLU                65  Mar 71
Resistance values below 1 ohm, measuring       W4OHT                66  Sep 77
Resistance values below 1 ohm, measuring       W1PT                 91  Jan 78
(letter)
Resistance values, measuring below 1 ohm       W4OHT                66  Sep 77
Resistor decades, versatile                    W4ATE                66  Jul 71
Rf current probe (HN)                          W6HPH                76  Oct 68
Rf current readout, remote (HN)                W4ATE                87  May 78
Rf detector, sensitive                         WB9DNI               38  Apr 73
Rf generator clip                              W1DTY                58  Mar 68
Rf power meter, low-level                      W5WGF                58  Oct 72
Rf power meter, part 1: instrument             N6YC                 70  May 81
description and construction
Rf power meter, part 2: measurements and       N6YC                 55  Jun 81
measurement accessories
Rf power meter, part 2: measurements and       Comments, W3NQN       6  Oct 81
measurement accessories
Rf signal generator, solid-state               VE5FP                42  Jul 70
Rf wattmeter, accurate low power               WA4ZRP               38  Dec 77
RTTY monitor scope, solid-state                WB2MPZ               33  Oct 71
RTTY signal generator                          W7ZTC                23  Mar 71
RTTY signal generator                          Short circuit        96  Dec 71
RTTY test generator                            WB9ATW               64  Jan 78
RTTY test generator (HN)                       W3EAG                67  Jan 73
RTTY test generator (HN)                       W3EAG                59  Mar 73
RX impedance bridge                            W2CTK                34  Sep 70
RX impedance bridge, low-cost                  W8YFB                 6  May 73
RX noise bridge, improvements to               W6BXI, W6NKU         10  Feb 77
RX noise bridge, improvements to               Comments            100  Sep 77
S-meter readings (HN)                          W1DTY                56  Jun 68
Safer suicide cord (HN)                        K6JYO                64  Mar 71
Sampling network, rf - the milli-tap           W6QJW                34  Jan 73
Sensitive LF or HF field-strength meter        K1RGO                67  Sep 86
Sensitive RF Voltmeter, The Weekender:         N2DCH                62  Jul 89
Signal generator, tone moduiated for two and   WA8OIK               54  Nov 69
six meters
Signal generator, wide range                   W6GXN                18  Dec 73
Signal injection in ham receivers              Allen                72  May 68
Signal source for 432 and 1296 MHz             K6RIL                20  Sep 68
Signal tracing in ham receivers                Allen                52  Apr 68
Simple DC Amplifier for Your Meter             W0JF                 10  Jun 89
Simple low-cost comb generator frequency       Martin, Larry        78  Jul 88
calibrator
Slotted line, how to use (repair bench)        W6NBI                58  May 77
Slow-scan tv test generator                    K4EEU                 6  Jul 73
Solid-state replacements                       AK7N                 46  Apr 83
Spectrum analysers, understanding              WA5SNZ               50  Jun 74
Spectrum analyzer for ssb                      W3JW                 24  Jul 77
Spectrum analyzer tracking generator           W6URH                30  Apr 78
Spectrum analyzer, dc-100 MHz                  W6URH                16  Jun 77
Spectrum analyzer, dc-100 MHz                  Short circuit        69  Dec 77
Spectrum analyzer, dc-100 MHz                  Short circuit        94  Feb 79
Spectrum analyzer, four channel                W9IA                  6  Oct 72
Spectrum analyzer, microwave                   N6TX                 34  Jul 78
Ssb, signals, monitoring                       W6VFR                35  Mar 72
Standing wave indicator                        GW8FKB               97  Nov 83
Sweep generator, how to use                    Allen                60  Apr 70
Sweep generator, stable wideband               W7BAR                18  Jun 81
Sweep generator, stable wideband               Short circuit        84  Nov 81
Sweep response curves for low-frequency l-f's  Allen                56  Mar 71
Switch-off flasher (HN)                        Thomas               64  Jul 71
Swr bridge                                     WB2ZSH               55  Oct 71
Swr bridge (HN)                                WA5TFK               66  May 72
Swr bridge and power meter, integrated         W6DOB                40  May 70
Swr bridge readings (HN)                       W6FPO                63  Aug 73
SWR bridges                                    K2LB                 37  Mar 86
Swr indicator, aural, for the visually         K6HTM                52  May 76
handicapped
Swr indicator, how to use (repair bench)       W6NBI                66  Jan 77
Swr measuring at high frequencies              DJ2LR                34  May 79
Swr meter                                      W6VSV                 6  Oct 70
Swr meter                                      WB6AFT               68  Nov 78
Swr meter for the high-frequency bands         WB6AFT               62  Oct 81
Swr meter for the high-frequency bands         Comments,            36  Mar 82
                                               WA4UPN, WB6AFT
Swr meter, improving (HN)                      W5NPD                68  May 76
Swr meters, direct reading and expanded scale  WA4WDK               28  May 72
Swr meters, direct reading and expanded scale  Correction           90  Dec 72
Test DBMs for diode leakage                    WB6BIH               86  Jun 87
Test probe accessory (HN)                      W2IMB                89  Jul 77
Test-equipment mainframe                       W4MB                 52  Jul 79
Tester for 6146 tubes (HN)                     W6KNE                81  Aug 78
Testing power tubes                            K4IPV                60  Apr 78
The Guerri report: signal processing           W6MGI               156  Dec 84
Time and frequency standards: part1            Martin, Vaughn D.    36  Nov 83
Time and frequency standards: part2            Martin, Vaughn D.    31  Dec 83
Time-base oscillators, improved calibration    WA7LUJ, WA7KMR       70  Mar 77
Time-domain reflectometry, experimenter's      WA0PIA               22  May 71
approach to
Toroid permeability meter                      W6RJO                46  Jun 77
Transconductance tester for fets               W6NBI                44  Sep 71
Transformer shorts                             W6BLZ                36  Jul 68
Transistor and diode tester                    ZL2AMJ               65  Nov 70
Transistor curve tracer                        WA9LCX               52  Jul 73
Transistor curve tracer                        Short circuit        63  Apr 74
Transistor Lead Identification with a DVM      K0GSS                62  Oct 89
Transistor tester                              WA6NIL               48  Jul 68
Transistor tester for leakage and gain         W4BRS                68  May 68
Transistor tester, shirt pocket                W0MAY                40  Jul 76
Transmitter tuning aid: buffer your load       K4KI                 52  Feb 84
with this resistive network (weekender)
Transmitter tuning unit for the blind          W9NTP                60  Jun 71
Trapezoidal monitor scope                      VE3CUS               22  Dec 69
Troubleshooting around fets                    Allen                42  Oct 68
Troubleshooting by resistance measurement      Allen                62  Nov 68
Troubleshooting transistor ham gear            Allen                64  Jul 68
Tune-up method, low duty-cycle for             K4KI                 62  Aug 83
transmitters (HN)
Tune-up method, low duty-cycle for             Comments, W5XW       11  Dec 83
transmitters (HN)
Tune-up method, low duty-cycle for             Comments, K4KI       11  Jan 84
transmitters (HN)
Tuneup, safe, silent                           K4KI                123  Dec 84
Turn-off timer for portable equipment          W5OXD                42  Sep 76
TVI locator                                    W6BD                 24  Aug 78
Two in one: trace doubler for CRO, and         Short circuit        26  Jan 90
square wave and pulse generator (HN)
Two in one: Trace doubler for CRO, and         Tseng Liao           26  Dec 88
square wave and pulse generator (HN)
Two-tone generator                             N1RM                 32  Jun 82
Two-tone signal generator                      YB9ATA/WA7AQN        25  Feb 86
Two-tone signal generator                      Short circuit        45  Apr 86
Two-tone signal generator                      Short circuit        36  Jun 86
Two-tone signal generator (HN)                 K4KI                 77  Sep 82
Uhf tuner tester for tv sets (HN)              Schuler              73  Sep 69
Understanding noise figure                     Gruchalla,           89  Apr 87
                                               Michael
Using the Astro 103 as a frequency counter     W4ATE                69  Jun 83
(HN)
Vacuum tubes, testing high-power (HN)          W2OLU                64  Mar 72
Versatile Transistor/Diode Tester              W5JQE & W2YM         30  Aug 89
VHF noise bridge                               OE2APM/AA3K          10  Jul 86
Vhf pre-scaler, improvements for               W6PBC                30  Oct 73
Vhf prescaler                                  W8CHK                92  Jun 78
VHF/UHF world                                  W1JR                 55  Oct 84
Video monitor, inexpensive                     K8CG                 12  Apr 83
Video monitor, inexpensive                     Comments, K9TA       10  Aug 83
VLF dip meter, no-adjust bias for (HN)         WB3IDJ               69  Jul 80
Voltage calibrator for digital voltmeters      W6NBI                66  Jul 78
Voltage calibrator for digital voltmeters      Short circuit        94  Feb 79
Voltmeter calibrator, precision                Woods, Hubert        94  Jun 78
Voltmeter, improved transistor, part I         Maddever             74  Apr 68
Voltmeter, transistor, part II                 Maddever             60  Jul 68
Vom/vtvm, added uses for (HN)                  W7DI                 67  Jan 73
VSWR and power meter, automatic                W0INK                34  May 80
VSWR bridge, broadband power-tracking          K1ZDI                72  Aug 79
VSWR indicator, computing                      WB9CYY               58  Jan 77
VSWR indicator, computing                      Short circuit        94  May 77
Vtvm modification                              W6HPH                51  Feb 69
Vtvm, convert to an IC voltmeter               K6VCI                42  Dec 74
Wattmeter, low power (letter)                  W0DLQ                 6  Jan 80
Wavemeter, indicating                          W6NIF                26  Dec 70
Wavemeter, indicating                          Short circuit        72  Apr 71
Weak-signal source, 144 and 432 MHz            K6JC                 58  Mar 70
Weak-signal source, stable, variable-output    K6JYO                36  Sep 71
Weather radar, 10-GHZ                          K4TWJ                61  Sep 83
Wide range inductance meter                    K9EBA                52  Feb 83
Wide-range RF power meter                      KA8OBL               24  Apr 86
Wideband Frequency Analyzer                    AA4FB                 9  Nov 89
Wien Bridge oscillators, voltage-controlled    WA5SNZ               56  Feb 80
resistance for
Wien Bridge oscillators, voltage-controlled    W3PHK                52  Feb 83
Zener diode test circuit
WWV receiver, simple regenerative              WA5SNZ               42  Apr 73
WWV-WWVH, amateur applications for             W3FQJ                53  Jan 72
WWVB signal processor                          W9BTI                28  Mar 76
Zener tester, low-voltage (HN)                 K3DPJ                72  Nov 69

microprocessors, computers and calculators

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
8080 logical instructions                      WB4HYJ, Rony,        89  Sep 77
                                               Titus
8080 microcomputer output instructions         WB4HYJ, Rony,        54  Mar 76
                                               Titus
Accumulator I/O versus memory I/O              WB4HYJ, Rony,        64  Jun 76
                                               Titus
An RS-232 to TTL interface                     WD4KGI               70  Nov 82
Calculator or computer - which to buy?         W4MB                 86  Nov 82
Computer rfi (letter)                          KA5HJI                8  Jun 81
Computer, satellite, for under $150            WB6POU               12  Mar 80
CW keyboard using the APPLE II computer        W6WR                 60  Oct 80
CW keyboard, Microprocessor controlled         WB2DFA               81  Jan 78
CW trainer/keyer using a single-chip           N6TY                 16  Aug 79
microcomputer
Data converters                                WA1MOP               79  Oct 77
Data retrieval program using the APPLE II      WB6YHS               75  Oct 81
computer (HN)
Decision, how does a microcomputer make a      WB4HYJ, Titus,       74  Aug 76
                                               Rony
Device-select pulses, generating input/output  WB4HYJ, Titus,       44  Apr 76
                                               Rony
Digital keyboard entry system                  N2YK/N2GW            92  Sep 78
Frequency counters, CMOS timing circuit for    Bevel, David H.      72  Jul 82
(HN)
Ham gear controller: part 1                    N3CA                 12  Oct 82
Ham gear controller: part 2                    N3CA                 25  Nov 82
How microprocessors fit into scheme of         WB4HYJ, Rony,        36  Jan 76
computers and controllers                      Titus
IC tester using the KIM-1                      W3GUL                74  Nov 78
Input/output device, what is a?                WB4HYJ, Rony,        50  Feb 76
                                               Titus
Interfacing a 10-bit DAC (Microprocessors)     Rony, Titus,         66  Apr 78
                                               WB4HYJ
Interfacing a digital multimeter with an       WB4HYJ, Rony,        66  Sep 76
8080-based microcomputer                       Titus
Internal registers, 8080                       Rony, Titus,         63  Feb 77
                                               WB4HYJ
Introduction to microprocessors                WB4HYJ, Rony,        32  Dec 75
                                               Titus
Introduction to microprocessors                Comments, WB4FAR     63  May 76
lnterrupts, microcomputer                      WB4HYJ, Rony,        66  Dec 76
                                               Titus
Logical instructions                           Titus, WB4HYJ,       83  Jul 77
                                               Rony
Microcomputer-based contest keyer              K9CW                 36  Jan 81
Microprocessor repeater controller             KB5F                 56  Apr 83
MOV and MVI 8080 instructions                  Titus, WB4HYJ,       74  Mar 77
                                               Rony
Radio Shack ASCII keyboard encoder for         VE7ZV                72  Oct 80
microprocessor-controlled CW keyboard using
Register pair instruction                      Rony, Titus,         76  Jun 77
                                               WB4HYJ
Software UAR/T, interfacing a                  WB4HYJ, Rony,        60  Nov 76
                                               Titus
Substitution of software for hardware          WB4HYJ, Rony,        62  Jul 76
                                               Titus
UAR/T, how it works                            Titus                58  Feb 76
Vectored interrupts                            WB4HYJ, Rony,        74  Jan 77
                                               Titus
Video display, simple                          VK3AOH               46  Dec 78

miscellaneous technical

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
24-hour clock, digital                         WB6AFT               44  Mar 77
Ac-line switching precautions (HN)             W5PGG                69  Jul 81
Active bandpass filters                        WB6GRZ               49  Dec 77
Active bandpass filters                        Short circuit        94  Feb 79
Admittance, impedance and circuit analysis     Anderson             76  Aug 77
Admittance, impedance and circuit analysis     Short circuit        94  Feb 79
Air pressure, measuring across transmitting    W4PSJ                89  Jan 80
tubes (HN)
Alarm, wet basement (HN)                       W2EMF                68  Apr 72
ALC circuits, improving amplifier: part1       WA8AJN               40  Aug 84
ALC circuits, improving amplifier: part2       WA8AJN               38  Sep 84
Amateur anemometer                             W6GXN                52  Jun 68
Amateur anemometer                             Short circuit        34  Aug 68
Amateur FSK: A spectral analysis               WA6NCX               42  Dec 86
Amateur Radio in Space - a bibliography        W6OLO                60  Aug 68
Amateur Radio in Space - a bibliography        Addenda              77  Oct 68
Amplifier for 220 MHz, stripline kilowatt      W2GN                 12  Apr 82
Amplitude compandored sideband                 WB6JNN               48  Dec 80
An Audio Patch Panel for The Multimode         KB6IC                65  Dec 89
Station
An Inexpensive VFO for the Yaesu FT-102        VE3RF                62  Nov 89
Analog-to-digital display converter for the    KB7JW                44  Jan 81
visually handicapped
Antenna masts, design for pipe                 W3MR                 52  Sep 74
Antenna masts, design for pipe                 Added design         75  May 75
                                               notes (letter)
Antennas and capture area                      K6MIO                42  Nov 69
Audio to microwave amplifier, build your own   Gruchalla,           12  Mar 84
                                               Michael
Bandpass filter design                         K4KJ                 36  Dec 73
Bandpass filters for 50 and 144 MHz, etched    W5KHT                 6  Feb 71
Bandpass filters, single-pole                  W6HPH                51  Sep 69
Bandpass filters, top-coupled                  Anderson             34  Jun 77
Bandspreading techniques for resonant          Anderson             46  Feb 77
circuits
Bandspreading techniques for resonant          Short circuit        69  Dec 77
circuits
Basic electronic units                         W2DXH                18  Oct 68
Batteries, selecting for portable equipment    WB0AIK               40  Aug 73
Battery charging (letter)                      Carlson               6  Nov 80
Bicycle-powered station                        W1BG                 25  Dec 84
Bipolar-fet amplifiers                         W6HDM                16  Feb 76
Bipolar-fet amplifiers                         Comments,            76  Sep 76
                                               Worcester
Branch-line hybrid: part1                      WA2EWT              107  Apr 84
Branch-line hybrid: part2                      WA2EWT               93  May 84
Broadband amplifier uses mospower fet          Oxner                32  Dec 76
Broadband amplifier, bipolar                   WB4KSS               58  Apr 75
Broadband amplifier, wide-range                W6GXN                40  Apr 74
Broadband amplifier-attenuator                 W7SX                 59  Jul 86
Build a 1-1000 MHz amplifier using MAR-4       WB6BIH               33  Jul 87
MMICS
Build a QSO "beeper"                           KF6CU                38  Jan 88
Build your own supercharger                    K3OF                 22  Mar 90
Build your own supercharger                    Short circuit        78  May 90
Buying topo maps                               Comments: K3SKE       9  Dec 86
Bypassing, rf, at uhf                          WB6BHI               50  Jan 72
Calculator, hand-held electronic, its          W4MB                 18  Aug 76
function and use
Calculator, hand-held electronic, solving      W4MB                 34  Sep 76
problems with it
Calculator-aided circuit analysis              Anderson             38  Oct 77
Can I patent it?                               K2LZ                  8  Mar 87
Capacitors, oil-filled (HN)                    W2OLU                66  Dec 72
CATVI (letter)                                 WB4NMA               10  Aug 83
Changing fundamental constants of science      Comments: W4SXK       6  Oct 87
Circuit figure of merit (letter)               W2JTP                 6  Dec 80
Cleaning electronic hardware (HN)              WA1FHB               57  Jun 90
Clock, 24-hour digital                         K4ALS                51  Apr 70
Clock, 24-hour digital                         Short circuit        76  Sep 70
Coil-winding data, vhf and uhf                 K3SVC                 6  Apr 71
Communicating on 474,083 GHz (light wave       Comments, W6JTH       8  Jun 83
communications)
Communicating on 474,083 GHz (light wave       WA6EJO               10  Dec 86
communications)
Communications receivers, designing for        Moors                 6  Feb 73
strong-signal performance
Commutating filters                            W6GXN                54  Sep 79
Computer for the blind (HN)                    W8MQW                69  Jun 82
Computer-aided circuit analysis                K1ORV                30  Aug 70
Contact bounce eliminators (letters)           W7IV                 94  Nov 77
Control By Tones                               ZL2SX                42  Nov 89
Converting vacuum tube equipment to solid-     W2EEY                30  Aug 68
state
Converting wavelength to inches (HN)           WA6SXC               56  Jun 68
Crystal filters, monolithic                    DK1AG                28  Nov 78
Crystal use locator                            WA6SWR               36  Nov 80
Current flow?, which way does                  W2DXH                34  Jul 68
CW identifier, versatile                       WB2BWJ               22  Oct 80
CW identifier, versatile                       Short circuit        70  Feb 82
CW identifier, versatile, an improved memory   WB2BWJ               24  Feb 82
for
CW station, updating (HN)                      KM5T                 77  Oct 82
Data bandwidths compared                       W9JD/2               50  Dec 82
Decibel, defining the                          Gruchalla,           51  Feb 88
                                               Michael
Design curves for loudness-compensated         Tseng Liao           30  May 90
volume controls
Digital clock, low-cost                        WA6DYW               26  Feb 76
Digital mixer, introduction                    WB8IFM               42  Dec 73
Digital readout system, simplified             W6OIS                42  Mar 74
Double-balanced mixers                         W1DTY                48  Mar 68
Double-balanced modulator, broadband           WA6NCT                8  Mar 70
DSB generators, audio-driven (HN)              W5TRS                68  Jul 80
Earth anchors for guyed towers                 W5QJR                60  May 80
Earth currents (HN)                            W7OUI                80  Apr 70
Effective noise temperature, part 1:           Michael Gruchalla    58  Feb 90
introduction and background
Effective noise temperature, part 2:           Michael Gruchalla    33  Mar 90
equivalent noise temperature and NF
Effective radiated power (HN)                  VE7CB                72  May 73
Eimac 5CX1500A power pentode, notes on         K9XI                 60  Aug 80
Electrical units: their derivation and         WB6EYV               30  Aug 76
history
Electrolytic capacitors (letter)               WB8MKU                6  Jun 81
Electrolytic capacitors, re-forming the        K9MM                 99  Jul 78
oxide layer (HN)
Electromagnetic interference and the digital   K3PUR               114  Sep 84
era
Eliminating the matrix                         KH6AP                60  May 72
Elmer's notebook: The mysterious "Q"           W1SL                110  Sep 88
EMI/RFI shielding: new techniques part1        Martin, Vaughn D.    72  Jan 84
EMI/RFI shielding: new techniques part2        Martin, Vaughn D.    84  Feb 84
Ezy tune, HW-5400 (HN)                         AB4DP                70  Jan 90
Ferrite beads                                  W5JJ                 48  Oct 70
Ferrite beads, how to use                      K1ORV                34  Mar 73
Fet biasing                                    W3FQJ                61  Nov 72
Field-strength meter and volt-ohmmeter         WB6AFT               70  Feb 79
Filter design, graphic                         W6NRW                37  Apr 84
Filter design, graphic                         Short circuit        13  Jul 84
Filter preamplifiers for 50 and 144 MHz,       W5KHT                 6  Feb 71
etched
Filters (letter)                               W6XM                  8  Feb 83
Filters (letter)                               Comments, W3NQW       8  Apr 83
Filters, active for direct-conversion          W7ZOI                12  Apr 74
receivers
Filters, bridged                               W6MUR                51  Oct 82
Fire extinguishers (letter)                    W5PGG                68  Jul 71
Fire protection                                Darr                 54  Jan 71
Fire protection (letter)                       K7QCM                62  Aug 71
Fm techniques                                  W6SAI                 8  Sep 69
Fm techniques                                  Short circuit        79  Jun 70
Four-quadrant curve tracer/analyzer            W1QXS                46  Feb 79
Freon danger (letter)                          WA5RTB               63  May 72
Frequency counter as a synthesizer             DJ2LR                44  Sep 77
Frequency divider, diode                       W5TRS                54  Aug 80
Frequency multipliers                          W6GXN                 6  Aug 71
Frequency multipliers, transistor              W6AJF                49  Jun 70
Frequency synchronization for scatter-mode     K2OVS                26  Sep 71
propagation
Frequency synthesis                            WA5SKM               42  Dec 69
Frequency synthesizer sidebands, filter        K1PCT                80  Jun 77
reduces (HN)
Frequency synthesizer, high-frequency          K2BLA                16  Oct 72
Frequency synthesizers, how to design          DJ2LR                10  Jul 76
Frequency synthesizers, how to design          Short circuit        85  Oct 76
Frequency-lock loop                            WA3ZKZ               17  Aug 78
Function Generator: circuits from your         K4IPV                67  Dec 86
signal generator - part 1
Gamma-matching networks, how to design         W7ITB                46  May 73
Glass semiconductors                           W1EZT                54  Jul 69
Graphical network solutions                    W1NCK,W2CTK          26  Dec 69
Gridded tubes, vhf-uhf effects in              W6UOV                 8  Jan 69
Ground plow                                    W1EZT                64  May 70
Ground systems, notes on                       K6WX                 26  May 80
Grounding and wiring                           W1EZT                44  Jun 69
Gyrator: a synthetic inductor                  WB9ATW               96  Jun 78
Ham radio techniques                           W6SAI                63  May 84
Ham radio techniques                           W6SAI               106  Oct 84
Ham radio techniques                           W6SAI                75  Jan 85
Ham radio techniques                           W6SAI                59  Feb 85
Ham radio techniques                           W6SAI                83  Mar 85
Ham radio techniques                           W6SAI                66  May 85
Ham radio techniques                           W6SAI                51  Jun 85
Ham radio techniques                           W6SAI                59  Jul 85
Ham radio techniques                           W6SAI                90  Aug 85
Ham radio techniques                           W6SAI                75  Oct 85
Ham radio techniques                           W6SAI                67  Nov 85
Ham radio techniques, fifty years ago          W6SAI                58  Jun 84
Ham radio techniques: 9CXX revisited           W6SAI                83  Dec 87
Ham Radio Techniques: Antennas, GFI,           W6SAI                57  Dec 89
Capacitors and Fundamentals
Ham radio techniques: electron-hole theory     W6SAI                67  Apr 85
exposed as fraud
Ham radio techniques: I have seen the future   W6SAI                91  Sep 85
and it works
Ham Radio techniques: line voltage and power   W6SAI                60  Jul 88
tube life
Ham radio techniques: radio-frequency          W6SAI                34  Nov 81
interference
Ham radio techniques: radio-frequency          W6SAI                30  Dec 81
interference
Ham Radio techniques: the joys of TVI or,      W6SAI                70  Aug 88
were you on the air last night?
Handy ante switch (Weekender)                  W4E1N                18  Feb 90
Harmonic generator, crystal-controlled         W1KNI                66  Nov 77
Harmonic output, how to predict                Utne                 34  Nov 74
Harmonic product detector for QRP              W5FG                 44  Jun 83
transceivers
Harmonics, Trapping stubborn                   N1RC                 99  Jan 86
Heatsink problems, how to solve                WA5SNZ               46  Jan 74
Hf synthesizer, higher resolution for          N4ES                 34  Aug 78
Hybrids and couplers, hf                       W2CTK                57  Jul 70
Hybrids and couplers, hf                       Short circuit        72  Dec 70
Hydroelectric station, amateur                 K6WX                 50  Sep 77
Hyperbolic navigation (letter)                 Burhans, Ralph W.     6  Feb 81
Identifying Kerchunkers and Other              K9GDF                74  Dec 89
Interference
Impedance bridge measurement errors and        K4KJ                 22  May 79
corrections
Impedance matching: a brief review             WD4C                 49  Jun 84
Impedance measurements using an SWR meter      K4QF                 80  Apr 79
Impedance-matching systems, designing          W7CSD                58  Jul 73
Inductance or capacitance, a method for        W2CHO                68  Jul 80
measuring (HN)
Infrared communications (letter)               K2OAW                65  Jan 72
Injection lasers (letter)                      Mims                 64  Apr 71
Injection lasers, high power                   Mims                 28  Sep 71
Instant balun (letter)                         W8MQW                 6  Aug 81
Integrated circuits, part I                    W3FQJ                40  Jun 71
Integrated circuits, part II                   W3FQJ                58  Jul 71
Integrated circuits, part III                  W3FQJ                50  Aug 71
Interference problems, how to solve            ON4UN                93  Jul 78
Interference, hi-fi (HN)                       K6KA                 63  Mar 75
Interference, rf                               W1DTY                12  Dec 70
Interference, rf                               WA3NFW               30  Mar 73
Interference, rf (letter)                      G3LLL                65  Nov 75
Interference, rf, coaxial connectors can       W1DTY                48  Jun 76
generate
Interference, rf, its cause and cure           G3LLL                26  Jun 75
Intermittent reception due to lightning (HN)   W2YW                 39  Sep 88
Intermittent voice operation of power tubes    W6SAI                24  Jan 71
Introduction to Waveform Generators- pt 2      K4IPV                82  Dec 89
Isotropic source and practical antennas        K6FD                 32  May 70
KWM 380 external control circuit (HN)          WA2RUD               96  Dec 83
L-networks, how to design                      W7LR                 26  Feb 74
L-networks, how to design                      Short circuit        62  Dec 74
Laser communications                           W4KAE                28  Nov 70
LC circuit calculations                        W2OUX                68  Feb 77
LED experiments                                W4KAE                 6  Jun 70
Light-emitting diodes: theory and application  WB6AFT               12  Aug 80
Lighthouse tubes for uhf                       W6UOV                27  Jun 69
Lightning location and detection               VY1CW                25  Sep 87
Lightning protection for the amateur station   K9MM                 18  Dec 78
Lightning protection for the amateur station   Comments, W6RTK,      6  Jul 79
                                               WB2FBL
Linear amplifier, 3CX800A7                     K8RA                 17  Aug 84
Linear tuning, a fresh look at (HN)            W2OLU                74  Aug 80
Linear-amplifier cost efficiency               W8MFL                60  Jul 80
lnductors, how to use ferrite and powdered-    W6GXN                15  Apr 71
iron for
lnductors, how to use ferrite and powdered-    Correction           63  May 72
iron for
Local-oscillator waveform effects on           Robinson, Smith      44  Jun 74
spurious mixer responses
Low cost linear design and construction        W4MB                 12  Dec 82
Low-pass filter, integrated circuit            WB2KTG               59  Jan 85
Lowpass filters for solid-state linear         WA0JYK               38  Mar 74
amplifiers
Lowpass filters for solid-state linear         Short circuit        62  Dec 74
amplifiers
Lunar-path nomograph                           WA6NCT               28  Oct 70
Marine installations, amateur, on small boats  W3MR                 44  Aug 74
Matching networks, how to design               Anderson,            44  Apr 78
                                               Leonard H.
Matching techniques, broadband, for            WA7WHZ               30  Jan 77
transistor rf amplifiers
Microprocessors, introduction to               WB4HYJ, Rony,        32  Dec 75
                                               Titus
Microwave rf generators, solid-state           W1HR                 10  Apr 77
Microwaves, getting started in                 Roubal               53  Jun 72
Microwaves, Introduction                       W1CBY                20  Jan 72
Mini-mobile                                    K9UQN                58  Aug 71
Mismatched transmitter loads, affect of        W5JJ                 60  Sep 69
Mnemonics                                      W6NIF                69  Dec 69
Mobile theft deterrent: The Weekender          W6WTU                81  Feb 87
Modifying the Trio-Kenwood TS930S              WB9BXT               67  Apr 86
Monolithic RF amplifiers                       N6JH                 22  Mar 86
More electronic units                          W1EZT                56  Nov 68
Multi-function integrated circuits             W3FQJ                46  Oct 72
Multiplexing, the how and why of               KH6N                 60  Sep 81
Mysterious spur on 160                         N3BEK                73  May 83
Mysterious spur on 160                         Comments, K0KL,      95  Nov 83
                                               N3BEJ
Navigational aid for small-boat operators      W5TRS                46  Sep 80
NE5205 wideband RF amplifier                   Gruchalla,           30  Sep 86
                                               Michael
NE5205 wideband RF amplifier                   Short circuit        72  Jan 87
Network, the ladder                            W2CHO                48  Dec 76
Networks, transmitter matching                 W6FFC                 6  Jan 73
Neutralizing 572B final at 1500 watts output   W2YW                 63  Jun 84
(HN)
Neutralizing small-signal amplifiers           WA4WDK               40  Sep 70
New uses for old tuners                        W6WTU                25  Jan 88
Ni-cad battery charging (letter)               W6NRM                 6  Jul 80
Noise bridge for impedance measurements        YA1GJM               62  Jan 73
Noise bridge for impedance measurements        Comments, W6BXI       6  May 79
Noise cancellation circuit                     K1RGO                75  Mar 84
Noise figure, meaning of                       K6MIO                26  Mar 69
Operation upgrade: part 1                      W6BNB                12  Sep 81
Operation upgrade: part 2                      W6BNB                28  Oct 81
Operational amplifiers                         WB2EGZ                6  Nov 69
Optimum pi-network design                      DL9LX                50  Sep 80
Passive lumped constant 90-degree phase-       K6ZV                 70  Mar 79
difference networks
PCB "threat" (letter)                          VE5UK                66  Sep 80
Peaked lowpass: a look at the ultraspherical   W7ZOI                96  Jun 84
filter
Personal message center                        AA4NX                44  Feb 90
Phase detector, harmonic                       W5TRS                40  Aug 74
Phase modulator, PLL (HN)                      VE3FHM              117  Jun 85
Phase-locked loops                             WB6FOC               54  Jul 78
Phase-locked loops, IC                         W3FQJ                54  Sep 71
Phase-locked loops, IC, experiments with       W3FQJ                58  Oct 71
Phase-shift network, 90-degree, offers 2:1     K6ZV                 66  Feb 80
bandwidth
Phase-shift networks, design criteria for      G3NRW                34  Jun 70
Photovoltaic cells: a progress report          WD8AHO               52  Dec 83
Photovoltaic cells: a progress report          Comments: K6KVX,     10  Feb 84
                                               WD8AHO, etal
Pi and pi-L networks                           W6SAI                36  Nov 68
Pi network design                              W6FFC                 6  Sep 72
Pi network design                              Anderson,            36  Mar 78
                                               Leonard H.
Pi network design                              Comments              6  Apr 79
                                               Anderson,
Pi network design and analysis                 W2HB                 30  Sep 77
Pi network design and analysis                 Short circuit        68  Dec 77
Pi network inductors (letter)                  W7IV                 78  Dec 72
Pi networks, series-tuned                      W2EGH                42  Oct 71
Plasma-diode experiments                       Stockman, Harry      62  Feb 80
Polymer film transforms mechanical energy to   WA4KFZ               55  Dec 84
electrical energy
Power amplifiers, high-efficiency rf           WB8LQK                8  Oct 74
Power dividers and hybrids                     W1DAX                30  Aug 72
Power FETS: trend for VHF amplifiers           Peters, Daniel       12  Jan 84
                                               and W7PUA
Power speaker enhances mobile operation        K1ZJH                83  Jan 88
(weekender)
Power supplies, survey of solid-state          W6GXN                25  Feb 70
Power, voltage and impedance nomograph         W2TQK                32  Apr 71
Practically speaking: battery problems, pt1    K4IPV                62  Jul 87
Practically speaking: feedback                 K4IPV                60  May 88
Practically speaking: intermittents, pt.1      K4IPV                75  Nov 85
Practically speaking: intermittents, pt.2      K4IPV                79  Dec 85
Practically speaking: Overview of op amps-     K4IPV               100  Nov 88
part 1
Practically speaking: overview of op amps-     K4IPV                83  Dec 88
part 2
Practically Speaking: potpourri                K4IPV                71  May 90
Practically speaking: repairing flood damage   K4IPV                95  Oct 85
Prerecorded messages help the hearing          W2QLI                87  Sep 84
impaired (HN)
Printed-circuit boards, photofabrication of    Hutchinson            6  Sep 71
Programmable calculator simplifies antenna     W3DVO                70  May 74
design (HN)
Programmable calculators, using                W3DVO                40  Mar 75
Proportional temperature control for crystal   VE5FP                44  Jan 70
ovens
Pulse-duration modulation                      W3FQJ                65  Nov 72
Q factor, understanding                        W5JJ                 16  Dec 74
Q systems                                      W1IUZ                 6  Nov 80
QRP operation                                  W7OE                 36  Dec 68
Quartz crystal resonators                      Boddaert, Peter      85  Feb 86
Quartz crystals                                WB2EGZ               37  Feb 79
Radiation hazard, rf                           W1DTY                 4  Sep 75
Radiation hazard, rf                           Correction           59  Dec 75
Radio communications links                     W1EZT                44  Oct 69
Radio observatory, vhf                         Ham                  44  Jul 74
Radio sounding system                          KL7GLK               42  Jul 78
Radio-frequency interference                   WA3NFW               30  Mar 73
Radiotelegraph translator and transcriber      W7CUU, K7KFA          8  Nov 71
Ramp generators                                W6GXN                56  Dec 68
Rating tubes for linear amplifier service      W6UOV, W6SAI         50  Mar 71
RC active filters using op amps                W4YIB                54  Oct 76
RC active filters using op amps                Comments, W6NRM     102  Jun 78
RC active filters using op amps                Short circuit        94  Feb 79
Reactance problems, nomograph for              W6NIF                51  Sep 70
Relay, inexpensive automatic send/receive      W0PBV                40  May 82
Remedy for RFI (comment)                       K6WX                  9  Jul 88
Repeater controller, microprocessor-band       KB0CY                12  Mar 82
Resistor performance at high frequencies       K1ORV                36  Oct 71
Resistors, frequency sensitive (HN)            W8YFB                54  Dec 70
Resistors, frequency sensitive (letter)        W5UHV                68  Jul 71
Resonant circuits                              WD4C                 12  Apr 84
Rf amplifier, wideband                         WB4KSS               58  Apr 75
Rf autotransformers, wideband                  K4KJ                 10  Nov 76
Rf chokes, performance above and below         WA5SNZ               40  Jun 78
resonance
Rf exposure                                    WA2UMY               26  Sep 79
RF filters, Build narrowband                   WB4EHS               10  Mar 86
RF filters, Build narrowband                   Short circuit        36  Jun 86
Rf interference, suppression in telephones     K6LDZ                79  Mar 77
Rf power distributor, the                      W3BYM                48  Dec 81
Rf power transistors, how to use               WA7KRE                8  Jan 70
Rf power-detecting devices                     K6JYO                28  Jun 70
Rf radiation, environmental aspects of         K6YB                 24  Dec 79
Rfi cures: avoiding side effects               WB9TQG               52  Sep 81
Rfi cures: avoiding side effects               Comments WB7SYB,      6  Dec 81
                                               WB9TQG, VE2QO
RFI, solving the problems of                   W2YW                124  Sep 84
Rotary-dial mechanism for digitally tuned      K3CU                 14  Jul 80
transceivers
Russian Woodpecker, the: a continuing          KR7L                 37  Nov 84
nuisance
Safety circuit, pushbutton switch (HN)         K3AFF, WA1FHB        73  Feb 77
Safety in the ham shack                        Darr, James          44  Mar 69
Satellite communications, first step to        K1MTA                52  Nov 72
Satellite communications, first step to        Added notes          73  Apr 73
                                               (letter)
Satellite picture transmission, recording      W6CCN                 6  Nov 68
Satellite signal polarization                  KH6IJ                 6  Dec 72
Semiconductor curve tracing simplified         W6HPH                34  Aug 80
Signal detection and communication in the      WB6IOM               16  Feb 69
presence of white noise
Signal-strength, measuring                     W2YE                 20  Aug 80
Silver/silicone grease (HN)                    W6DDB                63  May 71
Simple circuit prevents amplifier control      NO7G                 30  Feb 90
relay failure (HN)
Simple eeprom programmer                       WA2IHE               40  Jan 90
Simple formula for microstrip impedance (HN)   W1HR                 72  Dec 77
Single-tuned interstage networks, designing    K6ZGQ                59  Oct 68
Smith chart, how to use                        W1DTY                16  Nov 70
Smith chart, how to use                        Correction           76  Dec 71
Solar activity, aspects of                     K3CHP                21  Jun 68
Solar energy                                   W3FQJ                54  Jul 74
Solar power for your ham station               NH6N                 14  Dec 84
Solar power for your ham station               Short circuit       145  Mar 85
Solid-state amplifier switching (HN)           WB2HTH               75  Aug 80
Sorting and inventory of standard resistor     WA6SWR               66  Jun 81
values, computer program for
Speech clippers, rf, performance of            G6XN                 26  Nov 72
Speed of light (letter)                        WB2AOT                6  Apr 80
Speed of light (letter)                        W4MLM                 6  Aug 80
Speed of light (letter)                        KL6WU                67  Sep 80
Speed of light, observations on, through the   W7ITB                62  Jan 80
metric system
Square roots, finding (HN)                     K9DHD                67  Sep 73
Square roots, finding (HN)                     Increased            55  Mar 74
                                               accuracy (letter)
Staircase generator (C&T)                      W1DTY                52  Jun 76
Standing-wave ratios, importance of            W2HB                 26  Jul 73
Standing-wave ratios, importance of            Correction           67  May 74
                                               (letter)
Stress analysis of antenna systems             W2FZJ                23  Oct 71
Super beep circuit for repeaters               KP4AQI               48  Jul 81
Switchable bandwidth crystal filter            N2DCH                22  Feb 90
Synthesizer design (letters)                   WB2CPA               94  Nov 77
Synthesizer system, simple (HN)                AA7M                 78  Jul 79
T coupler, the (HN)                            K3NXU                78  Nov 80
Talking clock (letter)                         N9KV                 75  Feb 80
Talking digital readout (letter)               N5AF                  6  May 80
Talking digital readout for amateur            N9KV                 58  Jun 79
transceivers
Temperature sensor, remote (HN)                WA1NJG               72  Feb 77
Tetrodes, external-anode                       W6SAI                23  Jun 69
The Guerri report                              W6MGI               124  Jan 85
The Guerri report                              W6MGI               158  Mar 85
The Guerri report                              W6MGI               157  Apr 85
The Guerri report                              W6MGI               124  Jul 85
The Guerri report                              W6MGI               124  Aug 85
The Guerri report                              W6MGI               140  Nov 85
The Guerri report: a busy signal from space    W6MGI               165  May 85
The Guerri report: computer technology         W6MGI                54  Nov 84
The Guerri report: computer technology         Short circuit         8  Dec 84
The Guerri report: predicting equipment        W6MGI               125  Jun 85
failure
The Guerri report: RF effects the good and     W6MGI               142  Oct 85
the bad
The Guerri report: RF power supplies achieve   W6MGI               157  Sep 85
high efficiency
The Guerri report: superchips come of age      W6MGI               126  Feb 85
Thermoelectric power supplies                  K1AJE                48  Sep 68
Thermometer, electronic                        VK3ZNV               30  Apr 70
Three-phase motors (HN)                        W6HPH                79  Aug 68
Thyristors, introduction to                    WA7KRE               54  Oct 70
Timer, electronic (HN)                         W9EBT                65  Mar 82
Toroid coils, 88-mH (HN)                       WA1NJG               70  Jun 76
Toroidal coil inductance (HN)                  W3WLX                26  Sep 75
Toroids, calculating inductance of             WB9FHC               50  Feb 72
Torolds, plug-in (HN)                          K8EEG                60  Jan 72
Transistor amplifiers, tabulated               W5JJ                 30  Mar 71
characteristics of
Trig functions on a pocket calculator (HN)     W9ZTK                60  Nov 75
Tube shields (HN)                              W9KNI                69  Jul 76
Tubes, surplus (letter)                        W2JTP                 6  Aug 80
Tubes, surplus (letter)                        Sellati              66  Sep 80
Tuning, Current-controlled                     K2ZSQ                38  Jan 69
TV sweep tubes in linear service, full-blast   W6SAI, W6UOV          9  Apr 68
operation of
TVI locator                                    W6BD                 23  Aug 78
Two-tone signal generator                      YB9ATA/WA7AQN        25  Feb 86
Two-tone signal generator                      Short circuit        45  Apr 86
Two-tone signal generator                      Short circuit        36  Jun 86
Understanding computer-generated RFI           NU1N                 75  Mar 90
Understanding over-the-horizon radar           NU1N                  9  Feb 90
Understanding over-the-horizon radar           Comments, AG4R        6  Apr 90
Understanding over-the-horizon radar           Comments, AD1G        9  May 90
Using CAD to rewind transformers               W6WTU                83  Dec 86
Using ICOM IC-32AT As a Crossband Mini-        KW5O                 41  Dec 89
Repeater
Using spreadsheet programs for amateur radio   AD1B                 95  Dec 86
projects
Using the Spectrum Monitor                     Comments: KI6DW       9  Nov 86
Vacuum-tube amplifiers, tabulated              W5JJ                 30  Mar 71
characteristics of
Varactor tuning tips (HN)                      N3GN                 67  Feb 81
Variable-inductance variable frequency         W0YBF                50  Jul 80
oscillators
Very sensitive LF or HF field-strength meter   K1RGO                67  Sep 86
VHF noise bridge                               OE2APM/AA3K          10  Jul 86
VHF/UHF world: the VHF/UHF primer, an          W1JR                112  Aug 84
introduction to filters
VLF dip meter, no-adjust bias for (HN)         WB3IDJ               69  Jul 80
VMOS on 1750 meters                            K1RGO                71  Oct 83
VSWR bridges                                   K2LB                 37  Mar 86
Warning lights, increasing reliability of      W3NK                 40  Feb 70
White noise diodes, selecting (HN)             W6DOB                65  Apr 76
Wide-range RF power meter                      KA8OBL               24  Apr 86
Wideband amplifier summary                     DJ2LR                34  Nov 79
Wilkinson hybrids                              WA2EWT               12  Jan 82
Wind direction indicator, digital              W6GXN                14  Sep 68
Wind generators                                W3FQJ                24  Jul 76
Wind loading on towers and antenna             K4KJ                 16  Aug 74
structures, how to calculate
Wind loading on towers and antenna             Added note           56  Jul 75
structures, how to calculate
Y parameters, using in rf amplifier design     WA0TCU               46  Jul 72

novice reading

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Ac power line monitor                          W2OLU                46  Aug 71
Amplifiers, tube and transistor, tabulated     W5JJ                 30  Mar 71
characteristics of
Antenna couplers, simple                       W2EEY                32  Jan 70
Antenna ground system Installation             W1EZT                64  May 70
Antenna systems for 40 and 80 meters           K6KA                 55  Feb 70
Antenna tuning units                           W3FQJ                58  Dec 72
Antenna tuning units                           W3FQJ                58  Jan 73
Antenna, 80 meters, for small lot              W6AGX                28  May 73
Antenna, 80-meter vertical                     VE1TG                26  May 70
Antenna, bobtail curtain for 40 meters         VE1TG                58  Jul 69
Antenna, bow tie for 80 meters                 W9VMQ                56  May 75
Antenna, converted vee for 80 and 40           W6JKR                18  Dec 69
Antenna, long wire, multiband                  W3FQJ                28  Nov 69
Antenna, multiband phased vertical             WA7GXO               33  May 72
Antenna, top-loaded 80-meter vertical          VE1TG                48  Jun 69
Antenna, unidirectional for 40 meters          GW3NJY               61  Jan 70
Antennas, dipole                               KH6HDM               60  Nov 75
Antennas, low elevation                        W3FQJ                66  May 73
Antennas, QRM reducing receiving types         W3FQJ                54  May 71
Antennas, simple dual-band                     W6SAI                18  Mar 70
Antennas, simple for 80 and 40 meters          W5RUB                16  Dec 72
Audio agc principles and practice              WA5SNZ               28  Jun 71
Audio filter, tunable                          WA1JSM               34  Aug 70
Audio filters, inexpensive                     W8YFB                24  Aug 72
Audio module, solid-state receiver             K4DHC                18  Jun 73
Batteries, selecting for portable equipment    WB0AIK               40  Aug 73
Battery power                                  W3FQJ                56  Aug 74
Battery power                                  W3FQJ                57  Oct 74
Cheers from down under                         Comments: VK4OA       9  Dec 86
COSMOS integrated circuits                     W3FQJ                50  Jun 75
CW audio filter, simple                        W7DI                 54  Nov 71
CW audio filter, simplest                      W4VNK                44  Oct 70
CW monitor, simple                             WA9OHR               65  Jan 71
CW reception, improved through simulated       WA1MKP               53  Oct 74
stereo
CW transceiver, low-power for 40 meters        W7BBX                16  Jul 74
Detectors, regenerative                        W8YFB                61  Mar 70
Diode detectors                                W6GXN                28  Jan 76
Dipoles, multiband for portable use            W6SAI                12  May 70
Dummy load and rf wattmeter                    W2OLU                56  Apr 70
Elmer's notebook: 220 MHz                      W1SL                 91  Aug 87
Elmer's notebook: an introduction to AMTOR     W1SL                101  Sep 87
Elmer's notebook: novice enhancement           W1SL                 95  Jun 87
Elmer's notebook: novice enhancement           Short circuit        95  Aug 87
Elmer's notebook: packet radio                 W1SL                100  Oct 87
Elmer's Notebook: Simple Instruments RF        W1SL                 91  Nov 89
Output Monitor
Feedpoint impedance characteristics of         W5JJ                 50  Dec 73
practical antennas
Filter, tunable for audio selectivity          W2EEY                22  Mar 70
Fire protection in the ham shack               Darr                 54  Jan 71
Five-band Junkbox Transmitter                  W3RMD                42  Dec 89
Frequency spotter, crystal controlled          W5JJ                 36  Nov 70
Ham radio techniques                           W6SAI                59  Dec 86
Ham Radio Techniques: Antennas, GFI,           W6SAI                57  Dec 89
Capacitors and Fundamentals
ICs, basics of                                 W3FQJ                40  Jun 71
ICs, basics of                                 W3FQJ                58  Jul 71
ICs, digital flip-flops                        W3FQJ                60  Jul 72
ICs, digital multivibrators                    W3FQJ                42  Jun 72
ICs, digital, basics                           W3FQJ                41  Mar 72
ICs, digital, basics                           W3FQJ                58  Apr 72
ICs, digital, oscillators and dividers         W3FQJ                62  Aug 72
Interference, hi-fi                            G3LLL                26  Jun 75
Interference, radio frequency                  WA3NFW               30  Mar 73
Introduction to Waveform Generators- pt 2      K4IPV                82  Dec 89
Man-made interference, how to find             W1DTY                12  Dec 70
Meters, how to use                             W4PSJ                48  Sep 75
Morse code computer tutor                      N3SE                 45  Jun 85
Morse code, speed standards for                VE2ZK                58  Apr 73
Mosfet circuits                                W3FQJ                50  Feb 75
New band privileges for Novice operators       KA0DOE               15  Sep 85
(letter)
New band privileges for Novice operators       Comments, KD0EV       9  Jan 86
(letter)
New band privileges for Novice operators       Comments, W3Y6F       9  Jan 86
(letter)
New band privileges for Novice operators       Comments, WD5H        9  Jun 86
(letter)
Novice playground (letter)                     WA5MUF                8  Jan 82
Novice privileges (letter)                     WB9IVR                9  Oct 85
Novice roundup (letter)                        KA9AZY                8  Jun 81
Operation upgrade: part 1                      W6BNB                12  Sep 81
Operation upgrade: part 2                      W6BNB                28  Oct 81
Practically speaking                           K4IPV                79  Dec 85
Practically Speaking: Getting to Know the      K4IPV                34  Dec 89
Logic Families- pt 1: TTL
Practically Speaking: Test Equipment for       K4IPV                76  Nov 89
Digital Electronics
Preamplifier, 21 MHz                           WA5SNZ               20  Apr 72
Printed-circuit boards, how to make your own   K4EEU                58  Apr 73
Printed-circuit boards, low cost               W8YFB                16  Jan 75
Q factor, understanding                        W5JJ                 16  Dec 74
Radio communications links, basics of          W1EZT                44  Oct 69
Radiotelegraph codes: there's not just one     KR6A                 82  Sep 88
Receiver frequency calibrator                  W5UQS                28  Dec 71
Receiver, regenerative for WWV                 WA5SNZ               42  Apr 73
Receivers, direct-conversion                   W3FQJ                59  Nov 71
Rectifiers, improved half-wave                 Bailey               34  Oct 73
Reflections: Novice enhancement and the 220    W9JUV                 4  Apr 87
MHz band
S-meters, circuits for                         K6SDX                20  Mar 75
Safety in the ham shack                        Darr                 44  Mar 69
Semiconductor diodes, evaluating               W5JJ                 52  Dec 71
Semiconductors, charge flow in                 WB6BIH               50  Apr 71
Speaker intelligibility, improving             WA5RAQ               53  Aug 70
Swr bridge                                     WB2ZSH               55  Oct 71
Towers and rotators                            K6KA                 34  May 76
Transistor power dissipation, how to           WN9CGW               56  Jun 71
determine
Transmitter keying, improving                  K6KA                 44  Jun 76
Transmitter power levels                       WA5SNZ               62  Apr 71
Transmitter, low-power, 80-meter               W3FQJ                50  Aug 75
Transmitter, multiband low power with vfo      K8EEG                39  Jul 72
Troubleshooting by voltage measurements        James                64  Feb 76
Troubleshooting, basic                         James                54  Jan 76
Troubleshooting, resistance measurements       James                58  Apr 76
Troubleshooting, thinking your way through     Allen                58  Feb 71
Tuneup, off-the-air                            W4MB                 40  Mar 76
Underground coaxial transmission line, how     W0FCH                38  May 70
to install
Vertical antennas, improving efficiency        K6FD                 54  Dec 74
Vfo for 40 and 80 meters                       W3QBO                36  Aug 70
Vfo, stable solid-state                        K4BGF                 8  Dec 71
Wiring and grounding                           W1EZT                44  Jun 69
Workbench, electronics                         W1EZT                50  Oct 70

operating

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
160-meter band (ham radio techniques)          W6SAI                46  May 81
2 meters outlawed (letter)                     AA6C                  8  Aug 82
Amateur band Intruders (letter)                W5SAD                 8  Oct 80
Amateur radio, 1933 (ham radio techniques)     W6SAI                41  Jun 81
Amateur radio, 1941 (ham radio techniques)     W6SAI                30  Aug 81
Battlefield, the (letter)                      W0WL                  8  Jun 83
Beam antenna headings                          W6FFC                64  Apr 71
Best best regards regards (letter)             W6BQD                 8  Jan 82
Best best regards regards (letter)             Comments, N4AGS       8  Apr 82
Best best regards regards (letter)             Comments, KA6NFD      8  May 82
Best best regards regards (letter)             Comments, KA2AGZ      8  Sep 82
Blind ham (letter)                             Gerrey, Bill          8  Sep 82
Burglar alarm RFI (letter)                     WB2YVY                8  Mar 82
Buying topo maps                               Comments: K3SKE       9  Dec 86
Card from Frenchy (letter)                     W2LPV                 8  Apr 82
Carrier complaint (comment)                    WD0P                  9  Jul 88
Carrier-operated CW reception limiter          W6NRW               113  Sep 85
CATVI (letter)                                 WB4NMA               10  Aug 83
Code practice (HN)                             W2OUX                74  May 73
Code practice - the rf way                     WA4NED               65  Aug 68
Code practice stations (letter)                WB4LXJ               75  Dec 72
Computers and ham radio                        W5TOM                60  Mar 69
County awards (totter)                         KB7SB                 8  Jul 81
CW anyone?                                     W7JWJ                44  Mar 81
CW memory, simple - Weekender                  K4DHC                46  Nov 80
CW monitor                                     W2EEY                46  Aug 69
CW monitor and code-practice oscillator        K6RIL                46  Apr 68
CW monitor, simple                             WA9OHR               65  Jan 71
CW nets (letter)                               N4EVS                 8  Jun 82
CW transceiver operation with transmit-        W1DAX                56  Sep 70
receive offset
CW zero-beat indicator for transceivers        W6KVD                88  Mar 83
DARC awards information                        Comments: K1RH        6  Jul 87
DX and QRP (letter)                            W6QJI                 8  Oct 82
DX Forecaster                                  K0RYW                76  Nov 81
DX Forecaster                                  K0RYW                78  Dec 81
DXCC check list, simple                        W2CNQ                55  Jun 73
DXer's diary                                   W9KNI                18  Mar 81
DXer's diary                                   W9KNI                26  Apr 81
DXer's diary                                   W9KNI                22  Jun 81
DXer's diary                                   Comments              6  Sep 81
E12W six-meter report (letter)                 EI2W                 12  Jul 80
Elmer's notebook: "Q" signals                  W1SL                 95  Jun 88
Elmer's notebook: 220 MHz                      Short circuit        95  Aug 87
Elmer's notebook: 220 MHz                      W1SL                 91  Aug 87
Elmer's notebook: an introduction to AMTOR     W1SL                101  Sep 87
Elmer's notebook: packet radio                 W1SL                100  Oct 87
EME, 70-CM, requirements and recommendations   W1JR                 12  Jun 82
EME, 70-CM, requirements and recommendations   Short circuit        79  Oct 82
FCC actions (letter)                           N8ADA                 6  Apr 80
FCC actions (letter)                           W1ZI                  6  Apr 80
Field Day- prepardedness or party time?        W9JUV and N1ACH       6  Sep 88
(Backscatter)
Fluorescent light, portable (HN)               K8BYO                62  Oct 73
Generation gap in Amateur Radio (comment)      N3CCW                94  Aug 88
Great-circle charts (HN)                       K6KA                 62  Oct 73
Great-circle maps                              N5KR                 24  Feb 79
Ham bands under siege (Backscatter)            N1ACH                 4  Oct 88
Ham radio techniques                           W6SAI                53  Jan 82
Ham radio techniques                           W6SAI                28  Mar 82
Ham radio techniques                           W6SAI                26  Apr 82
Ham radio techniques                           W6SAI                76  Jun 82
Ham radio techniques                           W6SAI                42  Jul 82
Ham radio techniques                           W6SAI                42  Aug 82
Ham radio techniques                           W6SAI                40  Sep 82
Ham radio techniques                           W6SAI                20  Oct 82
Ham radio techniques                           W6SAI                46  Nov 82
Ham radio techniques                           W6SAI                58  Dec 82
Ham radio techniques                           W6SAI                66  Jan 83
Ham radio techniques                           W6SAI                65  Nov 83
Ham radio techniques                           W6SAI                81  Dec 83
Ham radio techniques                           W6SAI                58  Sep 84
Ham radio techniques                           W6SAI                67  Jan 86
Ham radio techniques                           W6SAI                65  Feb 86
Ham radio techniques                           W6SAI                63  Mar 86
Ham radio techniques                           W6SAI                42  Apr 86
Ham radio techniques                           W6SAI                39  May 86
Ham radio techniques                           W6SAI                30  Jun 86
Ham radio techniques                           W6SAI                66  Jul 86
Ham radio techniques                           W6SAI                43  Aug 86
Ham radio techniques                           W6SAI                42  Sep 86
Ham radio techniques                           W6SAI                38  Oct 86
Ham radio techniques                           W6SAI                73  Nov 86
Ham radio techniques                           W6SAI                59  Dec 86
Ham Radio Techniques: 50th Anniversary of      W6SAI                43  Aug 86
Tube that Changed Everything
Ham radio techniques: a new country for you?   W6SAI                41  Nov 87
Ham radio techniques: BYCAA revisited          W6SAI                53  Aug 87
Ham Radio Techniques: Grounded-grid Amplifier  W6SAI                42  Sep 86
Ham Radio Techniques: Grounded-grid            W6SAI                38  Oct 86
Amplifier- pt 2
Ham Radio Techniques: MacGyver of the 30s      W6SAI                59  Dec 86
Ham Radio Techniques: More on the G5RV         W6SAI                63  Mar 86
Antenna
Ham Radio Techniques: Phasing SSB SYSTEM..     W6SAI                67  Jan 86
Born Again!
Ham Radio Techniques: Quad falling apart?      W6SAI                65  Feb 86
Ham Radio Techniques: Summer Miscellany        W6SAI                66  Jul 86
(Antennas)
Ham Radio Techniques: Super-cathode Driven     W6SAI                73  Nov 86
Amplifier
Ham Radio Techniques: Surface-wave OTH Radar   W6SAI                42  Apr 86
More QRM
Ham radio techniques: the crystal ball         W6SAI                68  May 82
Ham Radio Techniques: The Greatest Contest     W6SAI                39  May 86
Ever Staged
Ham Radio Techniques: the joys of TVI or,      W6SAI                70  Aug 88
were you on the air last night?
Ham Radio Techniques: The radio boys in the    W6SAI                26  Nov 88
Pacific, or, working DX for Uncle Sam
Ham Radio Techniques: Wrangle Over Wrengell    W6SAI                30  Jun 86
(Island)
Hamvention slide show (letter)                 N8ADA                 8  Jan 82
Homebrew linears: treat or trap? (HN)          VK4LR                77  Nov 82
Horn radio techniques                          W6SAI                60  Feb 82
How to be DX                                   W4NXD                58  Aug 68
HT mobile companion                            K6JM                 74  Feb 90
IC-255A switching circuit (HN)                 WB6IQV               70  Jan 83
IC-255A switching circuit (HN)                 Comments, WA4MZZ      8  Jun 83
Identification timer (HN)                      K9UQN                60  Nov 74
Intruder watch (letter)                        ZL6IW/ZL1BAD          6  Aug 81
INUS system (comment)                          XE1MD                 9  Jan 88
Is it stolen?                                  W8AP                 84  Dec 82
Legal usefulness of Amateur Radio (comment)    WA7AQN                9  Aug 88
Lifeline SAR (letter)                          WB9PFZ                8  Apr 82
Listening in on 10 fm                          W8FX                 62  Jan 82
Locator field list                             SM5AGM               74  Jul 87
Locator field list                             SM5AGM               89  Oct 87
Magazines, use your old                        Foster               52  Jan 70
Maritime mobiles need simple rigs and good     WB6VPX                9  Apr 90
installations
Market survey of amateurs a good idea          W1FB                  9  Aug 88
(comment)
Monitor, tone alert                            W4KRT                24  Aug 80
More information needed (comment)              W3QQM                 9  Sep 88
Morse code, speed standards for                VE2ZK                68  Apr 73
Morse code, speed standards for                Added note           68  Jan 74
                                               (letter)
Mysterious spur on 160                         N3BEK                73  May 83
No code (letter)                               W6SN                 10  Aug 83
No-code licence (letters)                      WB4SKP, W9ZMR,        8  Jan 83
                                               W2LX, etal
On-air tune-up (letter)                        K3EQ                 36  Mar 82
Operating etiquette (letter)                   W9MKV                12  Jul 84
Operation upgrade: part 10                     W6BNB                60  Oct 82
Operation upgrade: part 11                     W6BNB                58  Nov 82
Operation upgrade: part 4                      W8BNB                32  Feb 82
Operation upgrade: part 5                      W6BNB                56  Mar 82
Operation upgrade: part 6                      W6BNB                56  Apr 82
Operation upgrade: part 7                      W6BNB                54  Jun 82
Operation upgrade: part 8                      W6BNB                56  Jul 82
Operation upgrade: part 9                      W6BNB                58  Sep 82
Other guy (letter)                             KA2GXS                8  May 82
Pacemakers and RFI                             K4CN                 98  Jun 83
Pacemakers and RFI                             Comments, K1RGO      76  Oct 83
Pacemakers and RFI                             Comments, K4CN       77  Oct 83
Pacemakers and RFI: safety first               K3EAS, K3FOW         76  Oct 83
Potential danger (Backscatter)                 N1ACH                 4  Nov 88
Propagation of radio waves                     W1GV/4               26  Aug 82
Protecting amateur radio (letter)              K2JIY                 8  Jul 81
Protective material, plastic (HN)              W6BKX                58  Dec 70
QRP (letter)                                   W5QJM                 8  Nov 82
QSL return, statistics on                      WB6IUH               60  Dec 68
Re-discovering ham radio (comment)             KC1JG                 9  Aug 88
Repeater etiquette (letter)                    W1OLP                 8  Oct 83
Replays, instant (HN)                          W6DNS                67  Feb 70
RST (letter)                                   W0UCK                 6  Feb 81
RST feedback (letter)                          V4OVO                 6  Dec 80
RST feedback (letter)                          W0NN                  6  Dec 80
Selfish attitudes (letter)                     K2OZ                  6  Nov 80
Service not hobby (letter)                     W5VSR                 8  Aug 85
Sideband location (HN)                         K6KA                 62  Aug 73
Spurious signals (HN)                          K6KA                 61  Nov 74
Ten-meter band (ham radio techniques)          W6SAI                38  Apr 81
Ten-meter beacon                               WA1IOB               46  Apr 83
Ten-meter beacons (letter)                     KA1YE                13  Sep 83
Ten-meter beacons (letter)                     Comments, KA1YE      11  Jan 84
Ten-second call swaps (letter)                 WB1FJE                6  Aug 81
TOM remembered (letter)                        W1ESN                11  Jan 84
Transceiver tuning (letter)                    N6TO                  8  Jun 82
True north for antenna orientation, how to     K4DE                 38  Oct 80
determine
Tune-up method, low duty-cycle for             K4KI                 62  Aug 83
transmitters (HN)
Tune-up method, low duty-cycle for             Comments, W5XW       11  Dec 83
transmitters (HN)
Tune-up method, low duty-cycle for             Comments, K4KI       11  Jan 84
transmitters (HN)
Tuning with ssb gear                           W0KD                 40  Oct 70
VHF/UHF World: Loose ends                      W1JR                 53  Sep 88
VHF/UHF world: operating a VHF/UHF microwave   W1JR                 38  Jul 87
station
VHF/UHF world: operating a VHF/UHF microwave   Short circuit        97  Oct 87
station
Volunteer examiners: keep standards high       W0WX                 12  May 84
(letter)
Wearing cans (letter)                          WB9FRV                8  Jul 81
Who pays the jammer (letter)                   W3MEO                 8  Oct 82
Working W5LFL from space                       K6DUE                81  Sep 83
Zulu time (HN)                                 K6KA                 58  Mar 73

oscillators

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
1-MHz oscillator, new approach                 WA2SPI               46  Mar 79
10-GHz oscillator, ultra stable                K8UR                 57  Jun 83
455-kHz bfo, transistorized                    W6BLZ, K5GXR         12  Jul 68
5-ampere power supply, adjustable              N1JR                 50  Dec 78
AFC circuit for VFOs                           K6EHV                19  Jun 79
AFSK oscillator, solid-state                   WA4FGY               28  Oct 68
Audio oscillator to pulse generator            W0DLO                50  Oct 84
conversion (HN)
Audio oscillator, NE566 IC                     W1EZT                36  Jan 75
Better frequency stability for the Drake TR7   HB9ABO               21  Aug 87
Blocking oscillators                           W6GXN                45  Apr 69
Clock oscillator, TTL (HN)                     W9ZTK                56  Dec 73
Colpitts oscillator design technique           WB6BPI               78  Jul 78
Colpitts oscillator design technique           Short circuit        94  Feb 79
Crystal oscillator, frequency adjustment of    W9ZTK                42  Aug 72
Crystal oscillator, high stability             W6TNS                36  Oct 74
Crystal oscillator, low-frequency (HN)         W6XM                 86  Mar 82
Crystal oscillator, miniature                  W6DOR                68  Dec 68
Crystal oscillator, simple (HN)                W2OUX                98  Nov 77
Crystal oscillators                            W6GXN                33  Jul 69
Crystal oscillators, stable                    DJ2LR                34  Jun 75
Crystal oscillators, stable                    Correction           67  Sep 75
Crystal oscillators, survey of                 VK2ZTB               10  Mar 76
Crystal oven, simple (HN)                      Mathieson            66  Apr 76
Crystal ovens, precision temperature control   K4VA                 34  Feb 78
Crystal switching (HN)                         K6LZM                70  Mar 69
Crystal test oscillator and signal generator   K4EEU                46  Mar 73
Crystals, overtone (HN)                        G8ABR                72  Aug 72
CW BFO crystal for the 7SS-3 (HN)              N1FB                 80  Feb 82
Direct synthesis VFO                           W7SX                 10  Sep 88
Drift-correction circuit for free running      PA0KSB               45  Dec 77
oscillators
Elmer's Notebook: Oscillators                  W1SL                 44  May 89
Frequency synthesis by VXO harmonic selection  W3MT                 12  Feb 84
Frequency synthesis up to 2 GHz                WA6DYW               33  Apr 88
Goral oscillator notes (HN)                    K5QIN                66  Apr 76
Hex inverter vxo circuit                       W2LTJ                50  Apr 75
High-stability BFO for receiver applications   K1ZJH                28  Jun 85
IC crystal controled oscillators (letter)      W7EKC                91  Jan 78
IC crystal controlled oscillators              VK2ZTB               10  Mar 76
Introduction to Waveform Generators- pt 1      K4IPV                62  Sep 89
Junkbox variable crystal oscillator            W3RMD                72  Feb 90
(Weekender)
Local oscillator, phase locked                 VE5FP                 6  Mar 71
Local oscillators, high stability for          WB3JZO               29  Nov 85
microwave receivers and other applications
Low-noise phase-locked UHF VCO part 2:         WA9HUV               25  Aug 86
construction and testing
Low-noise phase-locked UHF VFO part 1: the     WA9HUV               33  Jul 86
noise problem
Low-noise phase-locked UHF VFO part 1: the     Short circuit         9  Dec 86
noise problem
Monitoring oscillator                          W2JIO                36  Dec 72
Multiple band master-frequency oscillator      K6SDX                50  Nov 75
Multivibrator, crystal-controlled              WN2MQY               65  Jul 71
Noise sideband performance in oscillators,     DJ2LR                51  Oct 78
evaluating
Oscillator, audio, IC                          W6GXN                50  Feb 73
Oscillator, electronic keyer                   WA6JNJ               44  Jun 70
Oscillator, Franklin (HN)                      W5JJ                 61  Jan 72
Oscillator, frequency measuring                W6IEL                16  Apr 72
Oscillator, frequency measuring                Added notes          90  Dec 72
Oscillator, gated (HN)                         WB9KEY               59  Jul 75
Oscillator, phase-locked                       VE5FP                 6  Mar 71
Oscillator, two-tone, for ssb testing          W6GXN                11  Apr 72
Oscillator, voltage controlled, uses ceramic   K2BLA                18  Jun 85
resonators
Oscillator, voltage controlled, uses ceramic   Short circuit        27  Aug 85
resonators
Oscillator-monitor, audio                      WA1JSM               48  Sep 70
Oscillators (HN)                               W1DTY                68  Nov 69
Oscillators, cure for cranky (HN)              W8YFB                55  Dec 70
Oscillators, repairing                         Allen                69  Mar 70
Oscillators, resistance-capacitance            W6GXN                18  Jul 72
Oscillators, ssb                               Belt                 26  Jun 68
Overtone crystal oscillators without           WA5SNZ               50  Apr 78
inductors
Overtone oscillator (HN)                       WSUQS                77  Oct 68
Phantom-coil VXO                               W3MT                 66  Jan 82
Phantom-coil VXO                               Comments, W3MT        8  Jul 82
PL tone generator, a programmable              WB0VSZ               51  Apr 84
PL tone generator, a programmable              Short circuit       125  May 84
Practically speaking: drift and shift          K4IPV                75  Jan 88
Practically Speaking: More Digitally           K4IPV                78  Jul 89
Generated Sawtooth Plus Triangle Waves
Precision crystal frequency checker            N4TMI                44  Jun 90
(Weekender)
Quadrature-phased local oscillator ([after)    K6ZX                 62  Sep 75
Quartz crystals (letter)                       WB2EGZ               74  Dec 72
Regulated power supplies, designing            K5VKO                58  Sep 77
RF synthesizers for hf communications, part1   WA6OAA               12  Aug 83
RF synthesizers for hf communications, part1   Short circuit       125  May 84
RF synthesizers for hf communications, part2   WA6OAA               48  Sep 83
RF synthesizers for hf communications, part2   Short circuit       125  May 84
RF synthesizers for hf communications, part3   WA6OAA               17  Oct 83
RF synthesizers for hf communications, part3   Short circuit       125  May 84
Stable vfo (C&T)                               W1DTY                51  Jun 76
TTL crystal oscillators (HN)                   W0JVA                60  Aug 75
TTL oscillator (HN)                            WB6VZW               77  Feb 78
UHF local-oscillator chain                     N6TX                 27  Jul 79
Universal oscillator circuit                   VE6RF                38  Apr 86
VCO, 1800-2600 MHz                             W0DTV                21  Jul 85
Vco, crystal-controlled                        WB6IOM               58  Oct 69
Versatile audio oscillator (HN)                W7BBX                72  Jan 76
Vfo buffer amplifier (HN)                      W3QBO                66  Jul 71
Vfo design using characteristic curves         I2BVZ                36  Jun 78
Vfo design, stable                             W1CER                10  Jun 76
Vfo for solid-state transmitters               W3QBO                36  Aug 70
Vfo transistors (HN)                           W1OOP                74  Nov 69
Vfo, digital readout                           WB8IFM               14  Jan 73
Vfo, high stability                            W8YFB                14  Mar 69
Vfo, high-stability, vhf                       OH2CD                27  Jan 72
Vfo, multiband fet                             K8EEG                39  Jul 72
Vfo, stable                                    K4BGF                 8  Dec 71
Vfo, stable transistor                         W1DTY                14  Jun 68
Vfo, stable transistor                         Short circuit        34  Aug 68
VFOs tuned by cylinder and disc                W0YBF                58  Feb 83
Voltage-tuned mosfet oscillator                WA9HUV               26  Mar 79
Vxo design, practical                          K6BIJ                22  Aug 70
Wideband VCO design                            WA4MGX               49  Jul 84

packet

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
220-MHz 9600-Baud Data Radio System for        W2DUC                67  Feb 89
Packet
4800 baud modem for VHF/UHF packet radio       VE3DNL,VE3DNM,VE3    10  Aug 88
                                               DW & VE3LNY
A New Addition for Your TNC                    K9MLD                72  Dec 89
Amateur packet radio networking and            KR3T                 33  Feb 88
protocols, part 1
Amateur packet radio networking and            KR3T                 56  Mar 88
protocols, part 2
Amateur packet radio networking and            KR3T                 41  Apr 88
protocols, part 3
Automatic Packet Beacon Tracker and Monitor    W4GBB                66  Aug 89
(HN)
C-64 and GLB PK-1 interface circuit            Comments: packet      6  Jan 87
                                               board update
C-64 and GLB PK-1 interface circuit            W2EHD                87  Mar 87
Elmer's notebook: packet radio                 W1SL                100  Oct 87
Elmer's Notebook: Packet Radio for the First   WISL                 96  Mar 89
Timer
Exploring packet radio with KISS               WA8BXN                9  Oct 88
Formatted display of packet using KISS         WA8BXN               51  Dec 88
Packet radio conference bridge                 WD5HJP               24  Apr 87
Packet radio PSK modem for JAS-1/FO-12         G3RUH                 8  Feb 87
Packetimer for the PK-1                        W2EHD/exW8KGN        93  Mar 87
RAM drive for packet radio                     AD1B                 44  Dec 87
Station Control Node Expand Your Versatility   WA0RJT               23  Mar 89
with SCN
TEXNET packet-switching network - pt. 1        WB5PUC & N5EG        29  Mar 87
system definition and design
TEXNET packet-switching network - pt. 2        WB5PUC & N5EG        29  Apr 87
hardware design
TEXNET packet-switching network - pt. 3        WB5PUC & N5EG        53  Jun 87
software overview
Transmit Timer for the KPC-2, The Weekender    K1ZJH                94  Feb 89
Using macros with packet (HN)                  AD1B                 82  Oct 88
Video Monitor for Packet Demonstrations, A     WALFHB               27  Jun 89
Big

power supplies

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
AC converter, DC to 400-Hz (HN)                WB2YVY               58  Mar 83
AC current monitor (letter)                    WB5MAP               61  Mar 75
AC power supply, regulated, for mobile fm      WA8TMP               28  Jun 73
equipment
Adjustable 5-ampere supply                     N1JR                 50  Jan 79
All-mode-protected power supply                K2PMA                74  Oct 77
An easy-to-build NiCd pulse charger            AG6K                 18  Sep 88
(weekender)
Arc suppression networks (HN)                  WA5EKA               70  Jul 73
Batteries on concrete (comment)                N5OP                101  Sep 88
Batteries, selecting for portable equipment    WA0AIK               40  Aug 73
Battery charger, NiCd, constant current, a     K2MWU                67  Aug 85
pulsed
Battery charging (letter)                      Carlson               6  Nov 80
Battery drain, auxiliary, guard for (HN)       W1DTY                74  Oct 74
Battery power                                  W3FQJ                56  Aug 74
Battery storage (comment)                      W5JHJ                 6  May 88
Battery-backed master power system             K9ES                 17  Jan 88
Bench power supply - Weekender                 WB6AFT               50  Feb 80
Build your own supercharger                    K3OF                 22  Mar 90
Build your own supercharger                    Short circuit        78  May 90
Charger, fet-controlled, for nicad batteries   WA0JYK               46  Aug 75
Constant-current battery charger for           K5PA                 34  Apr 78
portable operation
Converter, 12 to 6 volt (C&T)                  W1DTY                42  Apr 76
Current limiting (HN)                          W0LPQ                70  Oct 72
Current limiting (letter)                      K5MKO                66  Oct 73
Dc power supply, regulated (C&T)               W1DTY                51  Jun 76
Dc-dc converter, low-power                     W5MLY                54  Mar 75
Diesel generator repair                        Richardson, Wayne    46  Apr 83
Diode surge protection (HN)                    WA7LUJ               65  Mar 72
Diode surge protection (HN)                    Added note           77  Aug 72
Diodes for power supplies, choosing            W6BLZ                38  Jul 68
Drake R-4C receiver improved power supply      W3RJ                 28  Feb 82
Dry-cell life                                  W1DTY                41  Apr 76
Dual voltage power supply                      WD4SKH               32  Mar 83
Dual voltage power supply                      Comments, WB2UAQ     12  Jul 83
Dual voltage power supply                      Short circuit        80  Jul 83
Dual voltage surge-protection for high-        K8VIR                42  Aug 81
voltage power supplies (weekender)
Dual-voltage power supply (HN)                 W1OOP                71  Apr 69
Dual-voltage power supply (HN)                 Short circuit        80  Aug 69
Dual-voltage power supply (HN)                 W5JJ                 68  Nov 71
Electrolytic capacitors (letter)               WB8MKU                6  Jun 81
Filament transformers, miniature               Bailey               66  Sep 74
Forget memory (Ni-Cd discussion)               K0OV                 62  Jan 83
Get the most from your NiCds (Weekender)       K3OF                 88  Dec 88
High-current regulated dc supply               N8AKS                50  Aug 79
High-power trouble shooting                    Allen                52  Aug 68
IC power (HN)                                  W3KBM                68  Apr 72
IC power supply, adjustable (HN)               W3HB                 95  Jan 78
IC regulated power supply                      W2FBW                50  Nov 70
IC regulated power supply                      W9SEK                51  Dec 70
IC regulated power supply for ICs              Short circuit        80  May 68
IC-regulated power supply for ICs              W6GXN                28  Mar 68
Instantaneous-shutdown high-current            W6GB                 81  Jun 78
regulated supply
Klystrons, reflex power for (HN)               W6BPK                71  Jul 73
Line transient protection (HN)                 W1DTY                75  Jul 68
Line-voltage monitor (HN)                      WA8VFK               66  Jan 74
Line-voltage monitor (HN)                      Current monitor      61  Mar 75
                                               mod (letter)
Load protection, scr (HN)                      W5OZF                62  Oct 72
Low voltage, variable bench power supply       W6NBI                58  Mar 76
(weekender)
Low-value voltage source (HN)                  WA5EKA               66  Nov 71
Low-voltage dc power supplies - Repair Bench   K4IPV                38  Oct 79
Low-voltage power supplies, designing          W4MLE                46  Mar 85
Low-voltage power supplies, designing          Short circuit       121  May 85
Low-voltage supply (HN)                        WB2EGZ               57  Jun 68
Low-voltage supply with short-circuit          WB2EGZ               22  Apr 68
protection
Mobile power supplies, troubleshooting         Allen                56  Jun 70
Mobile power supply (HN)                       WN8DJV               79  Apr 70
Mobile supply, low-cost (HN)                   W4GEG                69  Jul 70
Motorola Dispatcher, converting to 12 volts    WB6HXU               26  Jul 72
Ni-cad charger, any-state                      WA6TBC               66  Dec 79
Nicad battery care (HN)                        W1DHZ                71  Feb 76
Nickel-cadmium batteries, time-current         W1OLP                32  Feb 79
charging
Operational power supply                       WA2IKL                8  Apr 70
Overvoitage protection (HN)                    W1AAZ                64  Apr 76
Pilot-lamp life (HN)                           W2OLU                71  Jul 73
Polarity inverter, medium current              Laughlin             26  Nov 73
Power supplies for single sideband             Belt                 38  Feb 69
Power supply for the big amplifier             W6YUY                64  Jun 82
Power supply protection for your solid-state   W5JJ                 36  Jan 70
circuits
Power supply troubleshooting (repair bench)    K4IPV                78  Sep 77
Power supply, amplifier                        WA2GFP               32  Sep 83
Power supply, improved (HN)                    W4ATE                72  Feb 72
Power supply, precision                        W7SK                 26  Jul 71
Power supply, six-output                       Martin, Vaughn D.    12  Oct 84
Power supply, switching high-voltage           W5FG                 48  Apr 84
Power-supply hum (HN)                          W8YFB                64  May 71
Practically speaking: battery problems, pt1    K4IPV                62  Jul 87
Practically speaking: battery problems, pt2    K4IPV                73  Aug 87
Practically speaking: bench power supply       K4IPV                55  Mar 86
Precision high-voltage dc regulator            AG6K                 75  Aug 88
Precision voltage supply for phase-locked      WA6TLA               60  Jul 74
terminal unit (HN)
Protection for solid-state power supplies      W3NK                 66  Sep 70
(HN)
Protection for your solid-state devices        W1OOP                52  Mar 81
Pulse width modulated dc-to-dc converters      W3CZ                 65  Oct 87
Rectifier, half-wave, improved                 Bailey               34  Oct 73
Regulated 5-volt supply (HN)                   W6UNF                67  Jan 73
Regulated power supplies, designing (letter)   W9HFR               110  Mar 78
Regulated power supplies, how to design        K5VKQ                58  Sep 77
Regulated power supply, 500-watt               WA6PEC               30  Dec 77
Regulated power supply, 500-watt               Short circuit        94  Feb 79
Regulated screen grid power supply             AG6K                 51  Jun 86
Regulated solid-state high-voltage power       W6GXN                40  Jan 75
supply
Regulated solid-state high-voltage power       Short circuit        69  Apr 75
supply
Regulator problem solved (HN)                  W6XM                 97  Dec 83
Safe power for your low-noise GaAa FET         WA9HUV               18  Nov 82
amplifier
SCR-regulated power supplies                   W4GOC                52  Jul 70
Selenium rectifiers, replacing                 W1DTY                41  Apr 76
Servicing power supplies                       W6GXN                44  Nov 76
Solar energy                                   W3FQJ                54  Jul 74
Solar power                                    W3FQJ                52  Nov 74
Solar power source, 36-volt                    W3FQJ                54  Jan 77
Squirrel-cage motors make field-day power      K6DZY                74  Aug 81
supplies (HN)
Step-start circuit, high-voltage (HN)          W6VFR                63  Sep 71
Storage-battery QRP power                      W3FQJ                64  Oct 74
Storing lead-acid batteries (comment)          N5OP                  9  Sep 88
Super regulator, the MPC1000                   W3HUC                52  Sep 76
Superdischarger (Weekender)                    K3OF                 73  Apr 90
Survey of solid-state power supplies           W6GXN                25  Feb 70
Survey of solid-state power supplies           Short circuit        76  Sep 70
Temperature control, automatic                 WB5IRI               75  Jun 85
The Guerri report: RF power supplies achieve   W6MGI               157  Sep 85
high efficiency
Thermoelectric power supplies                  K1AJE                48  Sep 68
Trans-global power supply (HN)                 W9CGI                76  Nov 82
Transformer shorts                             W6BLZ                36  Jul 68
Transformers, high-voltage, repairing          W6NIF                66  Mar 69
Transformers, miniature (HN)                   W4ATE                67  Jul 72
Transformers, wind your own inexpensively      W4GDW                96  Jun 85
Transient eliminator (C&T)                     W1DTY                52  Jun 76
Transients, reducing                           W5JJ                 50  Jan 73
Two-way power for the IC2AT 2-meter handheld   WB3JJF               57  Feb 82
Two-way power for the IC2AT 2-meter handheld   Comments WB4MNW,      8  Jul 82
                                               WB3JJF
Understanding and Using 723 Voltage            K3OF                 42  Mar 89
Regulators
Vacuum tube substitution                       W2YE                 58  Oct 88
Variable high-voltage supply                   W1OLP                62  Dec 79
Variable power supply for transistor work      WA4MTH               68  Mar 76
Variable Voltage Regulator, The Weekender      K3HW                 20  Jul 89
Variable-voltage power supply, 1.2 amps        WB6AFT               36  Jul 78
VHF transceivers, regulated power supply for   WA8RXU               58  Sep 80
Vibrator replacement, solid-state (HN)         K8RAY                70  Aug 72
Voltage regulators, boosting bargain (HN)      WA7VVC               90  May 77
Voltage regulators, IC                         W7FLC                22  Oct 70
Voltage regulators, IC                         W6GXN                31  Mar 77
Voltage safety valve                           W2UVF                78  Oct 76
Voltage-regulator ICs, adjustable              WB9KEY               36  Aug 75
Voltage-regulator ICs, three-terminal          WB5EMI               26  Dec 73
Voltage-regulator ICs, three-terminal          Added note           73  Sep 74
                                               (letter)
Wind generators                                W3FQJ                50  Jan 75
Zener diodes (HN)                              K3DPJ                79  Aug 68

propagation

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
360-degree MINIMUF propagation prediction      N4UH                 25  Feb 87
6-meter sporadic-E openings, predicting        WA9RAQ               38  Oct 72
6-meter sporadic-E openings, predicting        Added note           69  Jan 74
                                               (letter)
Achieve polarization, diversity through        W3NGJ                10  Feb 86
variable power splitting
Artificial radio aurora, scattering            WB6KAP               18  Nov 74
characteristics of
Calculator-aided propagation predictions       N4UH                 26  Apr 79
Calculator-aided propagation predictions       Comments              6  Sep 79
Digital ionosondes                             K2RR                 14  Dec 83
Diversity reception of HF digital              WM6P                 67  Jun 90
communication
DX forecaster                                  K0RYW                76  Jan 81
DX forecaster                                  K0RYW                92  Feb 81
DX forecaster                                  K0RYW                78  Mar 81
DX forecaster                                  K0RYW                52  Apr 81
DX forecaster                                  K0RYW                76  May 81
DX forecaster                                  K0RYW                52  Jun 81
DX forecaster                                  K0RYW                56  Jul 81
DX forecaster                                  K0RYW                46  Aug 81
DX forecaster                                  K0RYW                48  Sep 81
DX forecaster                                  K0RYW                46  Oct 81
DX forecaster                                  K0RYW                76  Nov 81
DX forecaster                                  K0RYW                78  Dec 81
DX forecaster                                  K0RYW                74  Jan 82
DX forecaster                                  K0RYW                74  Feb 82
DX forecaster                                  K0RYW                82  Mar 82
DX forecaster                                  K0RYW                70  Apr 82
DX forecaster                                  K0RYW                50  May 82
DX forecaster                                  K0RYW                42  Jun 82
DX forecaster                                  K0RYW                78  Jul 82
DX forecaster                                  K0RYW                80  Aug 82
DX forecaster                                  K0RYW                82  Sep 82
DX forecaster                                  K0RYW                82  Oct 82
DX forecaster                                  K0RYW                84  Nov 82
DX forecaster                                  K0RYW                80  Dec 82
DX forecaster                                  K0RYW                74  Jan 83
DX forecaster                                  K0RYW                56  Feb 83
DX forecaster                                  K0RYW                84  Mar 83
DX forecaster                                  K0RYW                94  Apr 83
DX forecaster                                  K0RYW                74  May 83
DX forecaster                                  K0RYW                65  Jun 83
DX forecaster                                  K0RYW                82  Jul 83
DX forecaster                                  K0RYW                66  Aug 83
DX forecaster                                  K0RYW                84  Sep 83
DX forecaster                                  K0RYW                87  Oct 83
DX forecaster                                  K0RYW                90  Nov 83
DX forecaster                                  K0RYW                92  Dec 83
DX forecaster                                  K0RYW                83  Jan 84
DX forecaster                                  K0RYW                79  Feb 84
DX forecaster                                  K0RYW                93  Mar 84
DX forecaster                                  K0RYW                93  Apr 84
DX forecaster                                  K0RYW               119  May 84
DX forecaster                                  K0RYW               109  Jun 84
DX forecaster                                  K0RYW               103  Jul 84
DX forecaster                                  K0RYW                63  Aug 84
DX forecaster                                  K0RYW                79  Sep 84
DX forecaster                                  K0RYW               100  Oct 84
DX forecaster                                  K0RYW                92  Nov 84
DX forecaster                                  K0RYW                63  Dec 84
DX forecaster                                  K0RYW                84  Dec 86
DX forecaster                                  Comments:low          6  Apr 87
                                               band DXing, W0SII
DX Forecaster: 1985 Review                     K0RYW                99  Apr 86
DX forecaster: 1986 propagation review         K0RYW               105  May 87
DX forecaster: 1987 propagation summary        K0RYW                92  May 88
DX Forecaster: 1988 Propagation Summary        K0RYW               109  May 89
DX Forecaster: 1989 DX propagation conditions  K0RYW                82  May 90
DX Forecaster: A Geomagnetic Ionosphere        K0RYW                91  Jul 86
Disturbance
DX forecaster: a spring DX solution            K0RYW                97  Apr 87
DX Forecaster: Antenna-to-lonosphere Path      K0RYW                92  Oct 86
Match
DX Forecaster: Better DXing in 1989            K0RYW                96  Jan 89
DX forecaster: DX propagation                  K0RYW               108  Jan 87
DX forecaster: DX propagation                  Comment: HORANT       6  Feb 87
                                               for CP/M
DX Forecaster: DX propagation software         K0RYW                88  Apr 90
DX forecaster: DX signal quality               K0RYW                80  Apr 88
DX Forecaster: DXing During the Summer QRN     K0RYW                96  Aug 89
Season
DX Forecaster: DXing From Winter Anomalies     K0RYW                78  Dec 89
DX forecaster: dxing via the winter anomaly    K0RYW                91  Oct 87
DX Forecaster: Equinoctial DX Propagation      K0RYW               122  Sep 85
Brings Change
DX Forecaster: Equinox DX Conditions           K0RYW               102  Mar 89
DX forecaster: equinox problems                K0RYW               106  Mar 87
DX forecaster: equinox season DX               K0RYW                85  Oct 87
DX Forecaster: Equinox Season DX               K0RYW                98  Sep 86
DX Forecaster: Equinox Season DXing            K0RYW                96  Sep 89
DX forecaster: high sunspot propagation        K0RYW               104  Sep 88
problems-part 1
DX forecaster: high sunspot propagation        K0RYW                96  Oct 88
problems-part 2
DX forecaster: Ionosphere Matching             K0RYW                92  Jan 85
DX Forecaster: Know Sporadic-E Skip            K0RYW                96  Jul 89
DX forecaster: more DX propagation tips        K0RYW                88  Feb 87
DX Forecaster: More New Cycle 22 DX            K0RYW                91  Feb 89
DX Forecaster: More on Equinox Propagation     K0RYW                96  Oct 89
DX Forecaster: More on Ionosphere Matching     K0RYW                75  Feb 85
DX forecaster: more sporadic-E                 K0RYW                85  Sep 87
DX Forecaster: MUF Forecasting                 K0RYW                98  Dec 85
DX Forecaster: MUF Patterns and Trends         K0RYW               112  Jan 86
DX Forecaster: receiving DX beacons            K0RYW                96  Feb 90
DX Forecaster: Signal Levels During Summer     K0RYW               100  Aug 85
Months
DX forecaster: Solar cycle update              K0RYW                96  Jan 88
DX Forecaster: Sporadic E Propagation          K0RYW               102  Jun 85
DX forecaster: Sporadic E season - 1988        K0RYW                88  Jun 88
DX Forecaster: Sporadic-E Basics for 1989      K0RYW                88  Jun 89
DX Forecaster: Sporadic-E DX                   K0RYW               101  Jun 86
DX Forecaster: Sporadic-E Propagation          K0RYW               118  May 86
DX forecaster: sporadic-E season               K0RYW                66  Jun 87
DX Forecaster: spring frequency changes        K0RYW                85  Mar 90
DX Forecaster: Spring Thunderstorm             K0RYW               110  Apr 89
DX Forecaster: Springtime QRN                  K0RYW                97  Mar 86
DX Forecaster: Summer Propagation              K0RYW                90  Aug 86
DX Forecaster: summer short skip signals       K0RYW                73  Jun 90
DX forecaster: summer signal levels            K0RYW                88  Aug 88
DX forecaster: summer thunderstorm noise       K0RYW                78  Jul 87
DX forecaster: Summer thunderstorm noise       K0RYW                83  Jul 88
DX forecaster: summertime DX                   K0RYW                82  Aug 87
DX Forecaster: Summertime DX                   K0RYW               100  Jul 85
DX Forecaster: Sunspot Cycle Update            K0RYW               105  Oct 85
DX Forecaster: Sunspot cycle views             K0RYW                84  Apr 85
DX Forecaster: Sunspot Minimum                 K0RYW                84  Nov 86
DX Forecaster: Sunspots and MUFs               K0RYW                78  Feb 86
DX Forecaster: the DX beacon game              K0RYW                82  Jan 90
DX forecaster: the ultimate antipode DX K0RYW  K0RYW                78  Mar 88
DX forecaster: transequatorial DX update       K0RYW                90  Feb 88
DX Forecaster: Vernal Equinox DX               K0RYW               120  Mar 85
DX Forecaster: What's this Sporadic E?         K0RYW                79  May 85
DX forecaster: Winter anomalous absorption     K0RYW               101  Dec 86
DX forecaster: winter DX                       K0RYW                57  Nov 87
DX forecaster: Winter DX anomalies             K0RYW               110  Dec 88
DX forecaster: Winter DX season                K0RYW               108  Nov 88
DX Forecaster: Winter DX Season                K0RYW                92  Nov 85
DX Forecaster: Winter DX Season                K0RYW                96  Nov 89
Dxing by computer                              NS6N and             81  Aug 84
                                               Buchanan, Waiter
Echoes, long delay                             WB6KAP               61  May 69
Elmer's notebook: propagation basics           W1SL                 81  Aug 88
EME link calculator program                    KE6ZE                 9  Feb 86
EME link calculator program                    Comments, KC8OH      70  Apr 86
Grayline propagation, fundamentals of          KR7L                 77  Aug 84
Ham Radio techniques: Dx is getting better     W6SAI                28  Apr 88
and better! Here's why!
Ham Radio Techniques: Have You Met SID?        W6SAI                31  Jul 89
Ham Radio techniques: New Zealand, Maui, and   W6SAI                22  Dec 88
the solar cycle
Ham Radio techniques: On our way up!           W6SAI                26  Sep 88
HF ground wave propagation                     WA9GFR               81  May 86
How to plot great circles on your favorite     W4BW                 81  Aug 86
map
Ionospheric E-layer                            WB6KAP               58  Aug 69
Ionospheric science, short history of          WB6KAP               58  Aug 69
L-band ground wave propagation program         WA9GFR and          103  Jan 86
                                               Joseph R. Hennel
L-band ground wave propagation program         Comment, WA9GFR       9  Apr 86
Long-distance high frequency communications    WB6KAP               80  Jul 68
Maximum usable frequency, predicting           WB6KAP               70  Sep 68
Moon coordinates, determining basic            W2WD                 38  Jan 85
Moon-tracking by computer                      K6WX                 38  Mar 84
New band propagation                           KK2XJM (W4MB)        12  Jan 83
Pathfinder- part two                           K3FR                 47  Oct 88
Quiet sun, the                                 WB6KAP               76  Dec 68
Radio astronomy and the search for extra       WB3JZO               10  Mar 85
terrestrial intelligence
Radio signals, radiation of                    W1GV/4               26  Jun 82
Return to the 360-degree propagation           N4UH                 41  Oct 87
prediction
Russian Woodpecker, the: a continuing          KR7L                 37  Nov 84
nuisance
Scatter-mode propagation, frequency            K2OVS                26  Sep 71
synchronization for
Skywave communications                         WB3JZO                9  Mar 90
Skywave communications, part 2                 WB3JZO               60  Apr 90
Skywave communications, part 3                 WB3JZO               34  May 90
Solar activity and the earth's magnetosphere   KR7L                  8  Aug 87
Solar cycle 20, vhfer's view of                WA5IYX               46  Dec 74
Solar outages, predicting                      VE7ABK               75  Mar 85
Sporadic E and 50-MHz transatlantic            G3NAQ                10  Jul 88
propagation during 1987
Sunspot numbers                                WB6KAP               63  Jul 69
Sunspot numbers, smoothed                      WB6KAP               72  Nov 68
Sunspots and solar activity                    WB6KAP               60  Jan 69
Tropospheric-duct vhf communications           WB6KAP               68  Oct 69
VHF meteor scatter communications              AI7J                 69  Feb 84
VHF/UHF world                                  W1JR                 45  Sep 84
VHF/UHF world                                  W1JR                 85  Dec 85
VHF/UHF world: improving meteor scatter        W1JR                 82  Jun 84
communications
VHF/UHF world: meteor scatter communications   W1JR                 68  Jun 86
VHF/UHF world: meteor scatter communications   Short circuit        87  Jul 86
VHF/UHF world: propagation update              W1JR                 86  Jul 85
VHF/UHF world: propagation update- part 2      W1JR                 39  Jun 88
VHF/UHF world: propagation update- part 3      W1JR                 38  Jul 88
VHF/UHF world: the VHF/UHF primer, an          W1JR                 14  Jul 84
introduction to propagation
VHF/UHF world: uW and mm-wave propagation,     W1JR                 69  Aug 86
part2

receivers and converters - general

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Active mixers, performance capability: part 1  DJ2LR                30  Mar 82
Active mixers, performance capability: part 2  DJ2LR                38  Apr 82
Antenna impedance transformer for receivers    W6NIF                70  Jan 70
(HN)
Antenna tuner, miniature receiver (HN)         WA7KRE               72  Mar 69
Anti-QRM methods                               W3FQJ                50  May 71
Attenuation pads, receiving (letter)           K0HNQ                69  Jan 74
Audio agc amplifier                            WA5SNZ               32  Dec 73
Audio agc principles and practice              WA5SNZ               28  Jun 71
Audio amplifier and squelch circuit            W6AJF                36  Aug 68
Audio filter for CW, tunable                   WA1JSM               34  Aug 70
Audio filter mod (HN)                          K6HIU                60  Jan 72
Audio filter, simple                           W4NVK                44  Oct 70
Audio filter, tunable peak-notch               W2EEY                22  Mar 70
Audio filter, variable bandpass                W3AEX                36  Apr 70
Audio filter-frequency translator for CW       W2EEY                24  Jun 70
reception
Audio filters for ssb and CW reception         K6SDX                18  Nov 76
Audio filters, CW (letter)                     6Y5SR                56  Jun 75
Audio module, complete                         K4DHC                18  Jun 73
Audio processor, communications, for           W6NRW                71  Jan 80
reception
Audio, improved for receivers                  K7GCO                74  Apr 77
Audio-filters, inexpensive                     W8YFB                24  Aug 72
Auto-product detection of double-sideband      K4UD                 58  Mar 80
Auto-product detection of double-sideband      Letter G3JIP          6  Oct 80
Automatic repeater/receiver sensitivity (HN)   VE7ABK               81  Jan 82
Bandspreading techniques (letter)              Anderson,             6  Jan 79
                                               Leonard H.
Bandspreading techniques for resonant          Anderson,            46  Feb 77
circuits                                       Leonard H.
Bandspreading techniques for resonant          Short circuit        69  Dec 77
circuits
Bandspreading techniques for resonant          W0EJO                 6  Aug 78
circuits (letter)
Batteries, how to select for portable          WA0AIK               40  Aug 73
equipment
Bfo multiplexer for a multimode detector       WA3YGJ               52  Oct 75
Bragg-cell receiver                            WB3JZO               42  Feb 83
Broadband jfet amplifiers                      N6DX                 12  Nov 79
Calibrator crystals (HN)                       K6KA                 66  Nov 71
Calibrator, plug-in frequency                  K6KA                 22  Mar 69
Calibrator, simple frequency-divider using     W6GXN                30  Aug 69
mos ICs
Cascaded stages, IMD and intercept points of   W3IMG                28  Nov 84
CB to 10-meter conversions, scanner            W2FMY, KB2GA         98  Nov 85
Communications receiver                        K2BLA                12  Jul 82
Communications receivers, calculating the      WA7TDB               50  Aug 80
cascade intercept point of
Communications receivers, design ideas for     Moors                12  Jun 74
Communications receivers, designing for        Moors                 6  Feb 73
strong-signal performance
Compact 75-meter monoband transceiver          K1BQT                13  Nov 85
Compact 75-meter monoband transceiver          Short circuit        66  Jan 86
Converting a vacuum-tube receiver to solid-    W1OOP                26  Feb 69
state
Counter dials, electronic                      K6KA                 44  Sep 70
Crystal ladder filters, systematic design of   N7WD                 40  Feb 82
Crystal-filter design, practical               PY2PEC               34  Nov 76
CW filter, adding (HN)                         W2OUX                66  Sep 73
CW filter, high performance                    W3NON                18  Apr 81
CW filter, high performance                    Comments W3NQN        6  Nov 81
CW monitor, simple                             WA9OHR               65  Jan 71
CW processor for communications receivers      W6NRW                17  Oct 71
CW reception, enhancing through a simulated-   WA1MKP               61  Oct 74
stereo technique
CW reception, noise reduction for              W2ELV                52  Sep 73
CW regenerator for interference-free           Leward,              54  Apr 74
communications                                 Libenschek
CW selectivity with crystal bandpassing        W2EEY                52  Jun 69
CW transceiver operation with transmit-        W1DAX                56  Sep 70
receive offset
Detector, logarithmic with post-injection      W1ERW                36  Mar 80
marker generator
Detector, reciprocating                        W1SNN                32  Mar 72
Detector, reciprocating                        Added notes          54  Mar 74
Detector, reciprocating                        Added notes          76  May 75
Detector, single-signal phasing type           WB9CYY               71  Oct 76
Detector, single-signal phasing type           Short circuit        68  Dec 77
Detector, superregenerative, optimizing        Ring                 32  Jul 72
Detectors, fm, survey of                       W6GXN                22  Jun 76
Detectors, ssb                                 Belt                 22  Nov 68
Digital display                                N3FG                 40  Mar 79
Digital display                                Comments              6  Jul 79
Digital frequency display                      WB2NYK               26  Sep 76
Digital frequency readout using the            W3NNL                83  Nov 85
Commodore 64
Digital readout, universal                     WB8IFM               34  Dec 78
Digital vfo basics                             Earnshaw             18  Nov 78
Diode detectors                                W6GXN                28  Jan 76
Diode detectors                                Comments             77  Feb 77
Direct-conversion receivers (HN)               YU2HL               100  Sep 78
Diversity receiving system                     W2EEY                12  Dec 71
Diversity reception                            K4KJ                 48  Nov 79
Double-balanced mixer, active, high-dynamic    DJ2LR                90  Nov 77
range
Dynamic range, measuring                       WB6CTW               56  Nov 79
Elmer's notebook: receiver buzzwords           W1SL                100  Nov 87
Extending receive coverage for the IC-02 and   WB6GTM               77  Jul 86
IC-04
External product detector improves receiver    W6GB                107  Nov 85
performance
Famous Equipment of Yesteryear                 K4KJ                 43  Nov 89
Filter alignment                               W7UC                 61  Aug 75
Filter, vari-Q                                 W1SNN                62  Sep 73
Frequency calibration using 60 kHz WWVB        W4ZPS                45  Mar 88
Frequency calibrator, how to design            W3AEX                54  Jul 71
Frequency calibrator, receiver                 W5UQS                28  Dec 71
Frequency measurement of received signals      W4AAD                38  Oct 73
Frequency spotter, general coverage            W5JJ                 36  Nov 70
Frequency standard (HN)                        WA7JIK               69  Sep 72
Frequency standard, universal                  K4EEU                40  Feb 74
Frequency standard, universal                  Short circuit        72  May 74
Frequency-marker standard using cmos           W4IYB                44  Aug 77
Ham radio techniques: "white noise" revisited  W6SAI                79  Oct 87
Ham radio techniques: "white noise"            W6SAI                55  Jan 87
technology bites back
Hang agc circuit for ssb and CW                W1ERJ                50  Sep 72
Headphone cords (HN)                           W2OLU                62  Nov 75
High dynamic range mixing with the Si8901      KB6QJ                11  Mar 88
High-stability BFO for receiver applications   K1ZJH                28  Jun 85
I-f amplifier design                           DJ2LR                10  Mar 77
I-f amplifier design                           Short circuit        94  May 77
I-f detector receiver module                   K6SDX                34  Aug 76
I-f system, multimode                          WA2IKL               39  Sep 71
I-f transformers, problems and cures -         K4IPV                56  Mar 79
Weekender
I.f cathode jack                               W6HPH                28  Sep 68
Image suppression (HN)                         W6NIF                68  Dec 72
Intelligibility of communications receivers,   WA5RAQ               53  Aug 70
improving
Interference, electric fence                   K6KA                 68  Jul 72
Interference, hi-fi (HN)                       K6KA                 63  Mar 75
Interference, rf                               W1DTY                12  Dec 70
Interference, rf                               WA3NFW               30  Mar 73
Interference, rf, its cause and cure           G3LLL                26  Jun 75
Intermodulation distortion, reducing in high-  WB4ZNV               26  Mar 77
frequency receivers
Intermodulation distortion, reducing in high-  Short circuit        69  Dec 77
frequency receivers
LF converter, fixed-tuned                      K1RGO                19  Jan 83
Linear Tuning with a War Surplus Capacitor     N2DCH                40  Jun 89
Local oscillator, phase-locked                 VE5FP                 6  Mar 71
Local-oscillator waveform effects on           Robinson, Smith      44  Jun 74
spurious mixer responses
Low-noise Design Primer                        WB4EHS               80  Nov 89
Low-noise preamplifiers with good impedance    W1OOP                36  Nov 82
match
Measuring receiver dynamic range: an           WB6CTW               86  Apr 81
addendum (HN)
Mixer frequencies, graphical selection         W2HVN                41  Jun 88
Mixer, crystal                                 W2LTJ                38  Nov 75
Monitor receiver modification (HN)             W2CNQ                72  Feb 76
Multiple receivers on one antenna (Two for     W2OZY                72  Jun 80
one) (HN)
Noise blanker                                  K4DHC                38  Feb 73
Noise Blanker                                  W5QJR                54  Feb 79
Noise blanker design                           K7CVT                26  Nov 77
Noise blanker, hot-carrier diode               W4KAE                16  Oct 69
Noise blanker, hot-carrier diode               Short circuit        76  Sep 70
Noise blanker, IC                              W2EEY                52  May 69
Noise blanker, IC                              Short circuit        79  Jun 70
Noise discriminator, a pulsewidth              W6NRW                23  Nov 84
Noise effects in receiving systems             DJ2LR                34  Nov 77
Noise figure relationships (HN)                W6WX                 70  Apr 80
Noise figure, the real meaning of              K6MIO                26  Mar 69
Noise, understanding and handling              DJ2LR                10  Nov 86
Optimizing the QF-1A Audio Filter              VE7BS                38  Dec 89
Panoramic adaptor spectrum analyzer design     WA6NCX/1             26  Feb 83
notes
Panoramic adaptor spectrum analyzer design     Comments, K2CBY      12  Sep 83
notes
Panoramic adaptor spectrum analyzer design     Short circuit        70  Oct 83
notes
Panoramic reception, simple                    W2EEY                14  Oct 68
Phase-locked 9-MHZ bfo                         W7GHM                49  Nov 78
Phase-shift networks, design criteria          G3NRW                34  Jun 70
Phaselocked up-converter                       W7GHM                26  Nov 79
Power-line noise                               K4TWJ                60  Feb 79
Preamp at work, Quiet!                         N6TX                 14  Nov 84
Preamplifier, wideband                         W1AAZ                60  Oct 76
Product detector, hot-carrier diode            VE3GFN               12  Oct 69
Radio-direction finder                         W6JTT                38  Mar 70
Radio-frequency interference                   WA3NFW               30  Mar 73
Radiotelegraph translator and transcriber      W7CUU, K7KFA          8  Nov 71
Radiotelegraph translator and transcriber      Eliminating the      60  May 72
                                               matrix KH6AP
Receiver dynamic range                         W3JZO                77  Dec 82
Receiver dynamic range (letter)                AA6PZ                 7  Aug 80
Receiver impedance matching (HN)               W0ZFN                79  Aug 68
Receiver input temperature (letter)            WA6JTD               13  Apr 85
Receiver spurious response                     Anderson             82  Nov 77
Receiver tuning mechanism selection            PY2PE1C              31  Nov 86
Receiver, 10 through 80-meter homebrew         N1BFV                40  Nov 85
Receivers - some problems and cures            WB0JGP, K8RAH        10  Dec 77
Receivers - some problems and cures            Ham notebook         94  Oct 78
Receivers - some problems and cures            Short circuit        94  Feb 79
Receiving RTTY, automatic frequency control    W5NPO                50  Sep 71
for
Reciprocating detector as fm discriminator     W1SNN                18  Mar 73
Reciprocating-detector converter               W1SNN                58  Sep 74
Remote-site receivers and repeater operation   K9EID                36  Jan 83
Resurrecting old receivers                     K4IPV                52  Dec 76
Rf amplifier, wideband                         WB4KSS               58  Apr 75
Rf amplifiers for communications receivers     Moors                42  Sep 74
Rf amplifiers, isolating parallel currents in  G3IPV                40  Feb 77
Rf-agc amplifier, high-performance             WA1FRJ               64  Sep 78
Rotary dial and encoder for digital tuning     N3CA                 30  Dec 82
S-meter readings (HN)                          W1DTY                56  Jun 68
S-meter, a calibrated                          W7SX                 23  Jan 86
S-meter, a calibrated                          Short circuit        45  Apr 86
S-meters, solid-state                          K6SDX                20  Mar 75
Selectivity and gain control, improved         VE3GFN               71  Nov 77
Selectivity, receiver (letter)                 K4ZZV                68  Jan 74
Sensitivity, noise figure and dynamic range    W1DTY                 8  Oct 75
Signal-strength, measuring                     W2YE                 20  Aug 80
Signals, how many does a receiver see?         DJ2LR                58  Jun 77
Signals, how many does a receiver see?         Comments            101  Sep 77
Spectrum analyzer, a handheld optical          WA4WDL               23  Apr 84
Spectrum analyzer, four channel                W9IA                  6  Oct 72
Squelch, audio-actuated                        K4MOG                52  Apr 72
Ssb signals, monitoring                        W6VFR                36  Mar 72
Superhet tracking calculations                 WA5SNZ               30  Oct 78
Superregenerative detector, optimizing         Ring                 32  Jul 72
Superregenerative receiver, improved           JA1BHG               48  Dec 70
Talking clock (letter)                         N9KV                 75  Feb 80
Talking digital readout (letter)               N5AF                  6  May 80
Ten-Tec Argosy, Upgrade                        WB3JZO               38  Nov 86
Threshold-gate/limiter for CW reception        W2ELV                46  Jan 72
Threshold-gate/limiter for CW reception        Added notes          59  May 72
                                               (letter) W2ELV
Troubleshooting the dead receiver              K4IPV                56  Jun 76
True frequency digital readout for the HW-101  NU4F                  8  Jan 87
True frequency digital readout for the HW-101  Short circuit        41  Aug 88
TS-930S headset audio, increased undistorted   W6FR                128  Oct 85
(HN)
Two-Loop 10-Hz Step 40-70 MHz Synthesizer      PY1LL & C Mathias    24  Jan 89
Vacuum-tube receivers, updating                W6HPH                62  Dec 78
Vacuum-tube receivers, updating                Short circuit        73  Dec 79
VHF/UHF world: broadband amplifiers in         W1JR                 91  Nov 86
receiver design
VHF/UHF world: high dynamic range receivers    W1JR                 97  Nov 84
VHF/UHF world: high dynamic range receivers    Short circuit       103  Jan 85
VHF/UHF world: low noise receiver update -     W1JR                 77  Nov 87
part1
Vlf converter (HN)                             W3CPU                69  Jul 76
Weak signal reception in CW receivers          ZS6BT                44  Nov 71
Wideband amplifier summary                     DJ2LR                34  Nov 79
WWV receiver, five-frequency                   W6GXN                36  Jul 76

receivers and converters - high-frequency receivers

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
1.9MHz receiver                                W3TNO                 6  Dec 69
15-meter sideband transceiver                  WA4ZXF               12  Mar 83
15-meter sideband transceiver                  Short circuit        80  Jul 83
160-meter receiver, simple                     W6FPO                44  Nov 70
20-meter receiver with digital readout, part   K6SDX                48  Oct 77
1
20-meter receiver with digital readout, part   K6SDX                56  Nov 77
2
28-MHz superregen receiver                     K2ZSQ                70  Nov 68
432-MHz converter                              N9KD                 74  Apr 79
455-kHz bfo, transistorized                    W6BLZ, K5GXR         12  Jul 68
7-MHz direct-conversion receiver               W0YBF                16  Jan 77
7-MHz receiver                                 K6SDX                12  Apr 79
7-MHz ssb receiver and transmitter, simple     VE3GSD                6  Mar 74
7-MHz ssb receiver and transmitter, simple     Short circuit        62  Dec 74
80-meter receiver for the experimenter         W6XM                 24  Feb 81
80-meter receiver for the experimenter         Comments              6  Jun 81
80-meter receiver, simple                      WB2EAV               25  Nov 86
Bandpass filters for receiver preselectors     W7ZOI                18  Feb 75
Bandpass tuning, electronic, in the Drake R-   Horner               58  Oct 73
4C
BC-1206 for 7 MHz, converted                   W4FIN                30  Oct 70
BC-1206 for 7 MHz, converted                   Short circuit        72  Apr 71
BC-603 tank receiver, updating the             WA6IAK               52  May 68
Better frequency stability for the Drake TR7   HB9ABO               21  Aug 87
Blanking the Woodpecker, part 2: a practical   VK1DN                18  Feb 82
circuit
Blanking the Woodpecker, part 2: a practical   Comments, NP4B        8  Jul 82
circuit
Blanking the Woodpecker, part 3: an audio      VK1DN                22  Mar 82
blanker
Blanking the Woodpecker: part 1                VK1DN                20  Jan 82
Card File station for 40 Meters, The           W6XM                 56  Sep 89
Weekender
CAT control system for the Yaesu FT-757GX      SM6CPI               26  Nov 87
CB to 10 fm transceiver conversion             VE3FIT, VE3AQN       16  Feb 83
Collins 75A-4 hints (HN)                       W6VFR                68  Apr 72
Collins 75A-4 modifications (HN)               W4SD                 67  Jan 71
Collins receivers (letter)                     G3UFZ                90  Jan 78
Collins receivers, 300-Hz crystal filter for   W1DTY                58  Sep 75
Communications receiver for 80 meters, IC      VE3ELP                6  Jul 71
Communications receiver, five band             K6SDX                 6  Jun 72
Communications receiver, micropower            WB9FHC               30  Jun 73
Communications receiver, micropower            Short circuit        58  Dec 73
Communications receiver, miniaturized          K4DHC                24  Sep 74
Communications receiver, optimum design for    DJ2LR                10  Oct 76
Communications receiver, solid-state           I5TDJ                32  Oct 75
Communications receiver, solid-state           Correction           59  Dec 75
Communications receivers for the year 2000:    DJ2LR                12  Nov 81
part 1
Communications receivers for the year 2000:    DJ2LR                36  Dec 81
part 2
Communications receivers, high frequency,      DJ2LR                20  Apr 80
recent developments in circuits and
Communications receivers, miniature design     K4DHC                18  Apr 76
ideas for
Compact 20-meter CW receiver, A                K1BQT                 8  Jun 87
Compact 20-meter CW receiver, A                Short circuit         6  Jul 87
Compact 20-meter CW receiver, A                Short circuit        81  Sep 87
Compact SSB receiver                           K1BQT                10  Nov 83
Compact SSB receiver                           Comments KAOGPE      10  Mar 84
Companion receiver, all-mode                   W1SNN                18  Mar 73
Converter Tunes 4 to 18 MHz with No            W5FG                 26  May 89
Bandswitch
Converter, hf, solid-state                     VE3GFN               32  Feb 72
Converter, tuned very low-frequency            OH2KT                49  Nov 74
Converter, very low frequency receiving        W2IMB                24  Nov 76
Crystal-controlled phase-locked converter      W3VF                 58  Dec 77
CW regenerator for Amateur receivers           W3BYM                64  Oct 80
Designing a modern receiver                    WB3JZO               23  Nov 83
Designing a state-of-the-art receiver          KA2WEU/DJ2LR         17  Nov 87
Digital HF radio: a sampling of techniques     KA2WEU/DJ2LR         19  Apr 85
Digital HF radio: a sampling of techniques     Short circuit       121  May 85
Digitally programmable high-frequency          WA9HUV               10  Oct 78
communications receiver
Digitally programmable high-frequency          Comments Foot,        6  Apr 79
communications receiver                        WA9HUV
Direct-conversion receivers                    W3FQJ                59  Nov 71
Direct-conversion receivers                    PA0SE                44  Nov 77
Direct-conversion receivers, improved          K6BIJ                32  Apr 72
selectivity
Direct-conversion receivers, simple active     W7ZOI                12  Apr 74
filters for
Diversity receiver, high-frequency, from the   K4KJ                 34  Apr 80
1930s
Double-conversion hf receiver with             Perolo               26  Oct 76
mechanical frequency readout
Drake R-4C product detector, improving (HN)    W3CVS                84  Mar 80
ESSA weather receiver                          W6GXN                36  May 68
Fet converter for 10 to 40 meters, second-     VE3GFN               28  Jan 70
generation
Fet converter for 10 to 40 meters, second-     Short circuit        79  Jun 70
generation
Fet converter, bandswitching, for 40, 20, 15   VE3GFN                6  Jul 68
and 10
Fet converter, bandswitching, for 40, 20, 15   postscript           68  May 69
and 10
Frequency calibration using 60 kHz WWVB        W4ZPS                45  Mar 88
Frequency synthesized local-oscillator system  W7GHM                60  Oct 78
Frequency synthesizer for the Drake R-4        W6NBI                 6  Aug 72
Frequency synthesizer for the Drake R-4        Modification         74  Sep 74
                                               (letter)
General coverage communications receiver       W6URH                10  Nov 77
Gonset converter, solid-state modification of  Schuler              58  Sep 69
Hammarlund HQ215, adding 160-meter coverage    W2GHK                32  Jan 72
Heath SB-650 frequency display, using with     K2BYM                40  Jun 73
other receivers
HF superhet, 20-meter                          N3ECZ                65  Nov 86
High dynamic range mixing with the Si8901      KB6QJ                11  Mar 88
High dynamic range receiver input stages       DJ2LR                26  Oct 75
High-frequency DX receiver                     WB2ZVU               10  Dec 76
High-frequency receiver performance            G4OBU                33  Feb 84
Improved stability and dial calibration for    W3HVK               103  Nov 83
the Heathkit HW-8 (HN)
Incremental tuning to your transceiver,        VE3GFN               66  Feb 71
adding
Inexpensive CW filter (HN)                     WB1AFQ               80  Jan 82
Low-noise 30-MHz preamplifier                  W1HR                 38  Oct 78
Low-noise 30-MHz preamplifier                  Short circuit        94  Feb 79
Monitoring oscillator                          W2JIO                36  Dec 72
Multiband high-frequency converter             K6SDX                32  Oct 76
Outboard receiver with a transceiver           W1DTY                12  Sep 68
Outboard receiver with the SB-100, using an    K4GMR                68  Feb 70
(HN)
Overload response in the Collins 75A-4         W6ZO                 42  Apr 70
receiver, improving
Overload response in the Collins 75A-4         Short circuit        76  Sep 70
receiver, improving
Pepperdyne receiver                            W6QIF                33  Nov 88
Phasing-type ssb receiver                      WA0JYK                6  Aug 73
Phasing-type ssb receiver                      Short circuit        58  Dec 73
Phasing-type ssb receiver                      Added note           63  Jun 74
                                               (letter)
Preamplifier, emitter-tuned, 21 MHz            WA5SNZ               20  Apr 72
Preamplifier, low-noise high-gain transistor   W2EEY                66  Feb 69
Preselector, general-coverage (HN)             W5OZF                75  Oct 70
Q5er, solid-state                              W5TKP                20  Aug 69
Radio Interference to shortwave receivers      W6XM                 88  Jul 81
(HN)
Receiver incremental tuning for the Swan 350   K1KXA                64  Jul 71
(HN)
Receiver sweep alignment system                WB6BIH              124  Nov 84
Receiver, Pocket, portable SSB                 WB6BIH               55  Nov 86
Receiver, reciprocating detector               W1SNN                44  Nov 72
Receiver, reciprocating detector               Correction           77  Dec 72
                                               (letter)
Receiver, versatile solid-state                W1PLJ                10  Jul 70
Receiving RTTY with Heath SB receivers (HN)    K9HVW                64  Oct 71
Reciprocating detector                         W1SNN                68  Oct 78
Regenerative detectors and a wideband          W8YFB                61  Mar 70
amplifier for experimenters
Rf amplifiers, selective                       K6BIJ                58  Feb 72
RTTY monitor receiver                          K4EEU                27  Dec 72
RTTY receiver-demodulator for net operation    VE7BRK               42  Feb 73
RTTY with SB-300                               W2ARZ                76  Jul 68
Shortwave converter, portable                  PY2PE1C              64  Apr 81
Shortwave receiver, portable                   PY2PE1C              67  Apr 84
Shortwave receiver, portable monoband, with    PY2PE1C              42  Jan 80
electronic digital frequency readout
Simple 40-meter receiver - Weekender           W6XM                 64  Sep 80
Simple direct conversion receiver              WA3ENK                9  Dec 88
Simple receivers from complex ICs              W6VEH                10  Nov 88
Simple shortwave broadcast receiver            W6XM                 83  Nov 83
Solid-state 75A-4 receiver                     KF7M                 67  Nov 88
Superhet coilset, design with a microcomputer  Sterrenburg,        113  Nov 84
                                               F.A.S.
SW receiver, a double conversion portable      PY2PE1C              48  Nov 84
Swan 350 CW monitor (HN)                       K1KXA                63  Jun 72
Synthesizer, high resolution hf (letter)       DJ2LR                 6  Jan 79
Ten-Tec Omni-D, improved CW agc for (HN)       W6OA                 88  Jan 80
Thumbwheel frequency selector for the Yaesu    KA9SNF               33  Nov 87
FT-757GX
Tomorrow's receivers: what will the next 20    W7SX                  8  Nov 87
years bring?
Transceiver selectivity improved (HN)          VE3BWD               74  Oct 70
Transceiver, 40-meter, for low-power           WB5DJE               12  Apr 80
operation
Transceivers, quasi-bilateral if for           K1ZJH                75  Dec 84
Tuner overload, eliminating (HN)               VE3GFN               66  Jan 73
Tuner overload, eliminating (HN)               Attenuators for      69  Jan 74
                                               (letter)
Two-band novice superhet                       Thorpe               66  Aug 68
Two-band receiver, extending the modular       WA3TFS               57  Nov 84
Two-band receiver, modular                     WA3TFS               53  Jul 83
Two-band receiver, modular                     Comments, WA3TFS      8  Sep 84
Understanding performance data of high-        K6FM                 30  Nov 81
frequency receivers
Understanding performance data of high-        Comments KL7HT,       8  Aug 82
frequency receivers                            K6FM
Up-conversion receiver for the high-           W2VJN                54  Nov 81
frequency bands: part 1
Up-conversion receiver for the high-           W2VJN                20  Dec 81
frequency bands: part 2
Variable Gain 160-meter Preamp                 KD9SV                46  Oct 89
Weather receiver, low-frequency                W6GXN                36  Oct 68
Woodpecker noise blanker                       DJ2LR                18  Jun 80
WWV receiver                                   Hudor, Jr.           28  Feb 77
WWV receiver, fixed-tuned                      W6GXN                24  Nov 69
WWV receiver, regenerative                     WA5SNZ               42  Apr 73
WWV receiver, simple (HN)                      WA3JBN               68  Jul 70
WWV receiver, simple (HN)                      Short circuit        72  Dec 70
WWV receiver, simple (HN)                      WA3JBN               55  Dec 70
WWV-WWVH, amateur applications for             W3FQJ                53  Jan 72

receivers and converters - vhf receivers and converters

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
1296-MHz converter, solid-state                VK4ZT                 6  Nov 70
1296-MHz preamplifier                          WA6UAM               42  Oct 75
1296-MHz preamplifier, low-noise               WA2VTR               50  Jun 71
1296-MHz preamplifier, low-noise               Added note           65  Jan 72
                                               (letter)
1296-MHz, double-balanced mixers for           WA6UAM                8  Jul 75
144-432 MHz GaAs fet preamp                    JH1BRY               38  Nov 79
144-MHz converter (HN)                         K0VQY                71  Aug 70
144-MHz converter (letter)                     W0LER                71  Oct 71
144-MHz converter, hot-carrier diode           K8CJU                 6  Oct 69
144-MHz converter, modular                     W6UOV                64  Oct 70
144-MHz converters, choosing fets for (HN)     K6JYO                70  Aug 69
144-MHz preamp, low-noise                      W1DTY                40  Apr 76
144-MHz preamp, super (HN)                     K6HCP                72  Oct 69
144-MHz preamplifier, improved                 WA2GCF               25  Mar 72
144-MHz preamplifier, improved                 Added notes          73  Jul 72
2-Meter Converter with Q Multiplier            WA9HUV               33  Nov 89
220-MHz mosfet converter                       WB2EGZ               28  Jan 69
220-MHz mosfet converter                       Short circuit        76  Jul 69
2304-MHz converter, solid-state                K2JNG, WA2LTM,       16  Mar 72
                                               WA2VTR
2304-MHz preamplifier, solid-state             WA2VTR               20  Aug 72
28-30 MHz preamplifier for satellite           W1JAA                48  Oct 75
reception
432 MHz preamp (HN)                            W1DTY                66  Aug 69
432 MHz preamplifier and converter             WA2GCF               40  Jul 75
432-MHz converter, low-noise                   K6JC                 34  Oct 70
432-MHz fet converter, low noise               WA6SXC               18  May 68
50-MHz preamplifier, improved                  WA2GCF               46  Jan 73
Cavity bandpass filters                        W4FXE                46  Mar 80
Communications receivers for the year 2000:    DJ2LR                12  Nov 81
part 1
Communications receivers for the year 2000:    DJ2LR                36  Dec 81
part 2
Converters for six and two meters, mosfet      WB2EGZ               41  Feb 71
Converters for six and two meters, mosfet      Short circuit        96  Dec 71
Cooled preamplifier for vhf-uhf                WA0RDX               36  Jul 72
Extending receive coverage for the IC-02 and   WB6GTM               77  Jul 86
IC-04
Fet converters for 50, 144, 220 and 432 MHz    W6AJF                20  Mar 68
Filter-preamplifiers for 50 and 144 MHz,       W5KNT                 6  Feb 71
etched
Fm channel scanner                             W2FPP                29  Aug 71
Fm communications receiver, modular            K8AUH                32  Jun 69
Fm communications receiver, modular            Correction           71  Jan 70
Fm receiver frequency control (letter)         W3AFN                65  Apr 71
Fm receiver performance, comparison of         VE7ABK               68  Aug 72
Fm receiver, multichannel for six and two      W1SNN                54  Feb 74
Fm receiver, tunable vhf                       K8AUH                34  Nov 71
Fm receiver, uhf                               WA2GCF                6  Nov 72
Fm repeaters, receiving system degradation in  K5ZBA                36  May 69
HW-17A, perking up (HN)                        WB2EGZ               70  Aug 70
Improving vhf/uhf receivers                    W1JAA                44  Mar 76
Interesting preamplifier for 144 MHz (HN)      WA2GFP               50  Nov 81
Interference, scanning receiver (HN)           K2YAH                70  Sep 72
K9LHA 2-meter synthesizer, extending the       K9LHA                52  Dec 81
range of (HN)
lnterdigital preamplifier and comb-line        W5KHT                 6  Aug 70
bandpass filter for vhf and uhf
Modular transmit and receive converters for    N6JH                 17  Mar 87
902 MHz
Monitor receivers, two-meter fm                WB5EMI               34  Apr 74
Optical fm receiver                            Poon and Pieper      53  Nov 83
Optical fm receiver                            Short circuit        85  Jan 84
Optical fm receiver                            Comment, W6OAL       13  Jun 84
Overload problems with vhf converters,         W1OOP                53  Jan 73
solving
Receiver alignment techniques, vhf fm          K4IPV                14  Aug 75
Receiver, modular two-meter fm                 WA2GFB               42  Feb 72
Receiver, vhf fm                               WA2GCF                8  Nov 75
Receiving converter, vhf four-band             W3TQM                64  Oct 76
Scanning receiver for vhf fm, improved         WA2GCF               26  Nov 74
Scanning receiver modifications, vhf fm (HN)   WA5WOU               60  Feb 74
Scanning receivers for two-meter fm            K4IPV                28  Aug 74
Six-meter converter, improved                  K1BQT                50  Aug 70
Six-meter mosfet converter                     WB2EGZ               22  Jun 68
Six-meter mosfet converter                     Short circuit        34  Aug 68
Squelch-audio amplifier for fm receivers       WB4WSU               68  Sep 74
Ssb mini-tuner                                 K1BQT                16  Oct 70
Synthesized 2-meter mobile stations,           W9CGI                20  Jun 80
automation for
Terminator, 50-ohm for vhf converters          WA6UAM               26  Feb 77
Two-meter converter, 1.5 dB NF                 WA6SXC               14  Jul 68
Two-meter mosfet converter                     WB2EGZ               22  Aug 68
Two-meter mosfet converter                     neutralizing         77  Oct 68
Two-meter preamp, MM5000                       W4KAE                49  Oct 68
Vhf converter performance, optimizing (HN)     K2FSQ                18  Jul 68
Vhf fm receiver (letter)                       W8IHQ                76  May 73
Vhf receiver scanner                           K2LZG                22  Feb 73
Vhf superregenerative receiver, low-voltage    WA5SNZ               22  Jul 73
Vhf superregenerative receiver, low-voltage    Short circuit        64  Mar 74
VHF/UHF world: low noise receiver update -     W1JR                 77  Nov 87
part1
VHF/UHF world: low noise receiver update -     W1JR                 72  Dec 87
part2
VHF/UHF world: VHF/UHF receivers               W1JR                 42  Mar 84

receivers and converters - test and troubleshooting

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Receiver alignment                             Allen                64  Jun 68
Rf and i-f amplifiers, troubleshooting         Allen                60  Sep 70
Signal injection in ham receivers              Allen                72  May 68
Signal tracing in ham receivers                Allen                52  Apr 68
Weak-signal source, 144 and 432 MHz            K6JC                 58  Mar 70
Weak-signal source, variable-output            K6JYO                36  Sep 71

RTTY

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Active bandpass filter for RTTY                W4AYV                46  Apr 79
AFSK generator (HN)                            F8KI                 69  Jul 76
AFSK generator and demodulator                 WB9ATW               26  Sep 77
AFSK generator, an accurate and practical      K0SFU                56  Aug 80
AFSK generator, crystal-controlled             K7BVT                13  Jul 72
AFSK generator, crystal-controlled             W6LLO                14  Dec 73
AFSK generator, crystal-controlled             Sluggish             59  Dec 74
                                               oscillator
AFSK oscillators, solid-state                  WA4FGY               28  Oct 68
AFSK, digital                                  WA4VOS               22  Mar 77
AFSK, digital                                  Short circuit        94  May 77
An RTTY Converter                              W1UO                 76  Jun 89
Audio-frequency keyer, simple                  W2LTJ                56  Aug 75
Audio-frequency shift keyer                    KH6FMT               45  Sep 76
Audio-frequency shift keyer, simple (C&T)      W1DTY                43  Apr 76
Audio-shift keyer, continuous-phase            VE3CTP               10  Oct 73
Audio-shift keyer, continuous-phase            Short circuit        64  Mar 74
Automatic frequency control for receiving      W5NPO                50  Sep 71
RTTY
Automatic frequency control for receiving      Added note           66  Jan 72
RTTY                                           (letter)
Autostart monitor receiver                     K4EEU                37  Dec 72
Autostart, digital RTTY                        K4EEU                 6  Jun 73
Baudot, a vote for (letter)                    W6NRM                 8  Mar 82
Carriage return, adding to the automatic       K4EEU                71  Sep 74
line-feed generator (HN)
Cleaning teleprinters (HN)                     W8CD                 86  May 78
Coherent frequency-shift keying, need for      K3WJQ                30  Jun 74
Coherent frequency-shift keying, need for      Added notes          58  Nov 74
                                               (letter)
CRT intensifier for RTTY                       K4VFA                18  Jul 71
Crystal test oscillator and signal generator   K4EEU                46  Mar 73
CW and RTTY, digital audio filter for          W1OER                60  Aug 83
CW memory for RTTY identification              W6LLO                 6  Jan 74
Digital reperf/TD                              WB9ATW               58  Nov 78
DT-500 demodulator                             K9HVW, K4OAH,        24  Mar 76
                                               WB4KUR
DT-500 demodulator                             Short circuit        85  Oct 76
DT-600 demodulator                             K9HVW, K4OAH,         8  Feb 76
                                               WB4KUR
DT-600 demodulator                             Letter, K5GZR        78  Sep 76
DT-600 demodulator                             Short circuit        85  Oct 76
Dual demodulator terminal unit                 KB9AT                74  Oct 78
Dual demodulator terminal unit                 Comments WB6PMV,      6  Oct 79
                                               KB9AT
Duplex audio-frequency generator with AFSK     WB6AFT               66  Sep 79
features
Electronic speed conversion for RTTY           WA6JYJ               36  Dec 71
teleprinters
Electronic speed conversion for RTTY           Printed circuit      54  Oct 72
teleprinters                                   for
Electronic teleprinter keyboard                W0PHY                56  Aug 78
Frequency-shift meter, RTTY                    VK3ZNV               53  Jun 70
Hellschreiber (letter)                         K6KA                  6  Mar 80
Hellschreiber (letter)                         W6DKZ                 6  Mar 80
Hellschreiber (letter)                         Comment, G5XB         6  Sep 80
LED tuning indicator for RTTY                  WA0ELA               50  Mar 80
Line feed, automatic for RTTY                  K4EEU                20  Jan 73
Line-end Indicator, IC                         W2OKO                22  Nov 75
Mainline ST-5 autostart and antispace          K2YAH                46  Dec 72
Mainline ST-5 RTTY demodulator                 W6FFC                14  Sep 70
Mainline ST-5 RTTY demodulator                 Short circuit        72  Dec 70
Mainline ST-6 RTTY demodulator                 W6FFC                 6  Jan 71
Mainline ST-6 RTTY demodulator                 Short circuit        72  Apr 71
Mainline ST-6 RTTY demodulator, more uses      W6FFC                69  Jul 71
for (letter)
Mainline ST-6 RTTY demodulator,                W6FFC                50  Feb 71
troubleshooting
Message generator, random access memory RTTY   K4EEU                 8  Jan 75
Message generator, RTTY                        W6OXP,W8KCO          30  Feb 74
Modulator-demodulator for vhf operation        W6LLO                34  Sep 78
Monitor scope, phase-shift                     W3CIX                36  Aug 72
Monitor scope, RTTY, Heath HO-10 and SB-610    K9HVW                70  Sep 74
as (HN)
Monitor scope, RTTY, solid-state               WB2MPZ               33  Oct 71
New MSO for RTTY (letter)                      N2EO                 12  Jul 84
Performance and signal-to-noise ratio of low-  K8SR                 62  Dec 76
frequency shift RTTY
Phase-coherent RTTY modulator                  K5PA                 26  Feb 79
Phase-locked loop AFSK generator               K7ZOF                27  Mar 73
Phase-locked loop RTTY terminal unit           W4FQM                 8  Jan 72
Phase-locked loop RTTY terminal unit           Correction           60  May 72
Phase-locked loop RTTY terminal unit           Power supply for     60  Jul 74
Phase-locked loop RTTY terminal unit           Optimization         22  Sep 75
Phase-locked loop RTTY terminal unit           Update, W4AYV        16  Aug 76
Precise tuning with ssb gear                   W0KD                 40  Oct 70
Printed circuit for RTTY speed converter       W7POG                54  Oct 72
RAM RTTY message generator, increasing         F2ES                 86  Oct 77
capacity of (HN)
Receiver-demodulator for RTTY net operation    VE7BRK               42  Feb 73
Ribbon re-inkers                               W6FFC                30  Jun 72
RTTY and AtariTM computer                      K5VUV                36  Jul 83
RTTY and AtariTM computer                      Short circuit        10  Feb 84
RTTY converter, miniature IC                   K9MRL                40  May 69
RTTY converter, miniature IC                   Short circuit        80  Aug 69
RTTY distortion: causes and cures              WB6IMP               36  Sep 72
RTTY for the blind (letter)                    VE7BRK               76  Aug 72
RTTY line-length indicator (HN)                W2UVF                62  Nov 73
RTTY oscilloscope input using line             W6XM                 87  Sep 84
transformers (HN)
RTTY reception with Heath SB receivers (HN)    K9HVW                64  Oct 71
RTTY tuning indicator, a free (HN)             N1AW                 74  Oct 81
RTTY with the SB-300                           W2ARZ                76  Jul 68
RTTY zero-beat indicator (HN)                  W2QLI                78  Oct 83
RTTY, introduction to                          K6JFP                38  Jun 69
Run RTTY on your Timex                         NU4V                110  Apr 85
Run RTTY on your VIC-20                        W5TRS               120  Apr 85
Selcom                                         K9HVW, WB4KUR,       10  Jun 78
                                               K4EID
Serial converter for 8-level teleprinters      VE3CTP               67  Aug 77
Serial converter for 8-level teleprinters      Short circuit        68  Dec 77
Signal Generator, RTTY                         W7ZTC                23  Mar 71
Signal Generator, RTTY                         Short circuit        96  Dec 71
Simple circuit replaces jack patch panel       K4STE                25  Apr 76
Slow ASCII                                     W3FVC                 6  Jun 81
Speed control, electronic, for RTTY            W3VF                 50  Aug 74
SSB transmitters, FSK adapter for              WA3PLC               12  Jul 81
SSB transmitters, FSK adapter for              Comments N1AL,        8  Mar 82
                                               WA3PLC
SSB transmitters, FSK adapter for              Comments WB5DPZ,      8  Oct 82
                                               N1AL
ST-5 keys polar relay (HN)                     W0LPD                72  May 74
Swan 350 and 400 equipment on RTTY (HN)        WB2MIC               67  Aug 69
Synchrophase afsk oscillator                   W6FOO                30  Dec 70
Synchrophase RTTY reception                    W6FOO                38  Nov 70
Tape editor                                    W3EAG                32  Jun 77
Teleprinters, new look in                      W6JTT                38  Jul 70
Terminal unit, phase-locked loop               W4FQM                 8  Jan 72
Terminal unit, phase-locked loop               Correction           60  May 72
Terminal unit, phase-locked loop               W4AYV                36  Feb 75
Terminal unit, variable-shift RTTY             W3VF                 16  Nov 73
Test generator, RTTY                           WB9ATW               64  Jan 78
Test generator, RTTY (HN)                      W3EAG                67  Jan 73
Test generator, RTTY (HN)                      W3EAG                59  Mar 73
Test-message generator, RTTY                   K9GSC, K9PKQ         30  Nov 76
Time/date printout                             W0LZT                18  Jun 76
Time/date printout                             Short circuit        68  Dec 77
Timex/Sinclair newsletter (letter)             AD1B                 12  Jul 84
TRS-80 color computer for RTTY                 W1OER                62  Jun 83
Tuning indicator for RTTY and packet radio     W0HZR                65  Sep 88
VIC-20 printer (HN)                            W2QLI                88  Sep 84
VIC-20 printer (HN)                            Short circuit       145  Mar 85
Voltage supply, precision for phase-locked     WA6TLA               60  Jul 74
terminal unit (HN)
XK2C AFSK generator, the                       W3HVK                58  Nov 80

satellites

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
28-30 MHz preamplifier for satellite           W1JAA                48  Oct 75
reception
432-MHz OSCAR antenna (HN)                     W1JAA                58  Jul 75
Amsat-Oscar D                                  W3PK, G3ZCZ          16  Apr 78
Antenna accuracy in satellite tracking         N5KR                 24  Jun 79
systems
Antenna control, automatic azimuth/elevation   WA3HLT               26  Jan 75
for satellite communications
Antenna control, automatic azimuth/elevation   Correction           58  Dec 75
for satellite communications
Antenna, simple satellite (HN)                 WA6PXY               59  Feb 75
Antennas, simple, for satellite                K4GSX                24  May 74
communications
Az-el antenna mount for satellite              W2LX                 34  Mar 75
communications
Calcu-puter, OSCAR                             W9CGI                34  Dec 78
Circularly-polarized ground-plane antenna      K4GSX                28  Dec 74
for satellite communications
Communications, first step to satellite        K1MTA                52  Nov 72
Communications, first step to satellite        Added notes          73  Apr 73
                                               (letter)
Demodulator, telemetry, PSK, for OSCAR 10      G3RUH                50  Apr 85
Elevation indicator, inexpensive               W5JTL                67  Jun 85
First HT-to-HT QSO via OSCAR 10                WA2LQQ               32  Sep 84
Future of the amateur satellite service        K2UBC                32  Aug 77
G.O.E.S. reception: a simple approach          WA4WDL               46  Jan 84
Geostationary satellite bearings with the TI-  WA6BKC               87  Apr 81
58/59 programmable calculator (HN)
Geostationary satellites, locating             W2TQK                66  Oct 81
Geostationary satellites, locating             Comments W1DHX        8  Jan 82
Geostationary satellites, locating             Short circuit        89  Jan 82
Geostationary satellites, locating             Comments W2TI         8  Feb 82
Graphic azimuth and elevation calculator       WB0VGI               25  Jan 83
Introducing satellite communications           G3ZCZ                10  Apr 86
Locate orbiting satellites                     W0ZWW                72  Sep 83
Medical data relay via Oscar                   K7RGE                67  Apr 77
Moon-tracking by computer                      K6WX                 38  Mar 84
Oscar 7, communications techniques for         G3ZCZ                 6  Apr 74
Oscar antenna (C&T)                            W1DTY                50  Jun 76
Oscar antenna, mobile (HN)                     W6OAL                67  May 76
Oscar az-el antenna system                     WA1NXP               70  May 78
Oscar tracking program, HP-65 calculator       WA3THD               71  Jan 76
(letters)
Packet radio PSK modem for JAS-1/FO-12         G3RUH                 8  Feb 87
Phase III spacecraft orbits, geometry of       W8MQW                68  Oct 80
Programming for automated satellite            KP4MD                68  Jun 78
communication
Receiving preamplifier for OSCAR 8 Mode J      K1RX and Puglia      20  Jun 78
Satellite communications on 10 meters          G3IOR                12  Dec 79
(letter)
Satellite tracker, digitally-controlled        KA8OBL              102  Sep 85
Satellite tracking - pointing and range with   Ball, John A.        40  Feb 78
a pocket calculator
Signal polarization, satellite                 KH6IJ                 6  Dec 72
Signals from space, receiving                  K8UR                 67  Nov 84
The Guerri report: communication satellites    W6MGI               108  Jun 86
The Guerri report: super speed semiconductors  W6MGI               109  Oct 86
Tracking satellites in elliptical orbits       WA6VJR               46  Mar 81
Tracking the OSCAR satellites                  Harmon, WA6UAP       18  Sep 77
Update on ACSSB level-one adapter, project     Comments: WB6JNN      9  Nov 86
OSCAR (Oct. 86)
Work OSCAR 10 with your HT                     WA2LQQ               29  Sep 84

semiconductors

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Amplifiers, biasing Class-A bipolar            KQ7B                 32  Aug 82
transistor
Antenna bearings for geostationary             N6TX                 67  May 78
satellites, calculating
Antenna switch for meters, solid-state         K2ZSQ                48  May 69
Avalanche transistor circuits                  W4NVK                22  Dec 70
Beta master, the                               K8ERV                18  Aug 68
Charge flow In semiconductors                  WB6BIH               50  Apr 71
Collector Matching Networks                    KZ9J                 34  Jan 89
Converting a vacuum-tube receiver to solid-    W1OOP                26  Feb 69
state
Converting a vacuum-tube receiver to solid-    Short circuit        76  Jul 69
state
Converting vacuum tube equipment to solid-     W2EEY                30  Aug 68
state
Cooling semiconductors part 1: designing and   Martin, Vaughn D.    33  Jul 84
using heatsinks
Cooling semiconductors part 2: blowers and     Martin, Vaughn D.    52  Aug 84
fans
Curve master, the                              K8ERV                40  Mar 68
Diodes, evaluating                             W5JJ                 52  Dec 71
Dynamic transistor tester (HN)                 VE7ABK               65  Oct 71
Elmer's Notebook: FETS-The Other Transistors   W1SL                104  Feb 89
Elmer's Notebook: Visual Aids- Light           W1SL                 56  Jul 89
Emitting Diodes
Elmer's Notebook: Visual Aids- Liquid          W1SL                 81  Aug 89
Crystal Displays
European semiconductor numbering system (C&T)  W1DTY                42  Apr 76
Fet bias problems simplified                   WA5SNZ               50  Mar 74
Fet biasing                                    W3FQJ                61  Nov 72
Fetrons, solid-state replacements for tubes    W1DTY                 4  Aug 72
Fetrons, solid-state replacements for tubes    Added notes          66  Oct 73
Fetrons, solid-state replacements for tubes    Added notes          62  Jun 74
Frequency multipliers                          W6GXN                 6  Aug 71
Frequency multipliers, transistor              W6AJF                49  Jun 70
GaAs FET performance and preamplifier          K8UR                 38  Mar 83
application
GaAs FET performance and preamplifier          Comments, KC0W       12  Jul 83
application
GaAs field-effect transistors, introduction    WA2ZZF               74  Jan 78
Glass semiconductors                           W1EZT                54  Jul 69
Grid-dip oscillator, solid-state conversion    W6AJZ                20  Jun 70
of
Heatsink problems, how to solve transistor     WA5SNZ               46  Jan 74
High dynamic range mixing with the Si8901      KB6QJ                11  Mar 88
Impulse generator, snap diode                  Siegal, Turner       29  Oct 72
Injection lasers (letter)                      Mims                 64  Apr 71
Injection lasers, high power                   Mims                 28  Sep 71
Linear power amplifier, high power solid-      Chambers              6  Aug 74
state
Linear transistor amplifier                    W3FQJ                59  Sep 71
Long-tail transistor biasing                   W2DXH                64  Apr 68
Matching techniques, broadband, for            WA7WHZ               30  Jan 77
transistor rf amplifiers
Microwave amplifier design, solid state        WA6UAM               40  Oct 76
Mobile converter, solid-state modification of  Schuler              58  Sep 69
Mosfet circuits                                W3FQJ                50  Feb 75
Mosfet power amplifier, 160 - 6 meters         WA1WLW               12  Nov 78
Mosfet transistors (HN)                        WB2EGZ               72  Aug 69
Mospower fet (letter)                          W3QQM               110  Mar 78
Motorola fets (letter)                         W1CER                64  Apr 71
Motorola MPS transistors (HN)                  W2DXH                42  Apr 68
Neutralizing small-signal amplifiers           WA4WDK               40  Sep 70
Noise, zener-diode (HN)                        VE7ABK               59  Jun 75
Parasitic oscillations in high-power           W0KGI                54  Sep 70
transistor rf amplifiers
Pentode replacement (HN)                       W1DTY                70  Feb 70
Power dissipation ratings of transistors       WN9CGW               56  Jun 71
Power fets                                     W3FQJ                34  Apr 71
Power transistors, parallelling (HN)           WA5EKA               62  Jan 72
Practically speaking: non-ideal linear IC      K4IPV                72  Jul 88
amplifiers typical problems
Practically speaking: solid state rectifiers   K4IPV                51  Aug 86
Practically speaking: substituting             K4IPV                92  Sep 86
transistors - part1
Practically speaking: substituting             K4IPV                66  Oct 86
transistors - part2
Predicting close encounters: OSCAR 7 and       K2UBC                62  Jul 79
OSCAR 8
Protecting solid-state devices from voltage    WB5DEP               74  Jun 78
transients
Relay, transistor replaces (HN)                W3NK                 72  Jan 70
Replace the unijunction transistor             K9VXL                58  Apr 68
Rf power detecting devices                     K6JYO                28  Jun 70
Rf power transistors, how to use               WA7KRE                8  Jan 70
Simple Infrared Detector, A (HN)               K1ZJH                27  Jun 89
Snap diode impulse generator                   Siegal, Turner       29  Oct 72
Solid-state replacements                       AK7N                 46  Apr 83
Solid-state Switching The Midland 13-509,      VE2HOT               17  Jun 89
The Weekender:
Surplus transistors, identifying               W2FPP                38  Dec 70
Switching Inductive loads with solid-state     WA6ROC               99  Jun 78
devices (HN)
The Guerri report: super speed semiconductors  W6MGI               109  Oct 86
Thyristors, introduction to                    WA7KRE               54  Oct 70
Transconductance tester for field-effect       W6NBI                44  Sep 71
transistors
Transistor amplifiers, tabulated               W5JJ                 30  Mar 71
characteristics of
Transistor and diode tester                    ZL2AMJ               65  Nov 70
Transistor biasing, back to basics             WD4C                 91  Dec 84
Transistor breakdown voltages                  WA5EKA               44  Feb 75
Transistor lead identification With a DVM      K0GSS                62  Oct 89
Transistor storage (HN)                        K8ERV                58  Jun 68
Transistor tester                              WA6NIL               48  Jul 68
Transistor tester for leakage and gain         W4BRS                68  May 68
Transistor testing                             Allen                62  Jul 70
Transistor-tube talk (HN)                      WA4NED               25  Jun 68
Transistors for vhf transmitters (HN)          W1OOP                74  Sep 69
Trapatt diodes (letter)                        WA7NLA               72  Apr 72
Troubleshooting around fets                    Allen                42  Oct 68
Troubleshooting transistor ham gear            Allen                64  Jul 68
Understanding and Using 723 Voltage            K3OF                 42  Mar 89
Regulators
Varactor diodes from rectifiers                W6WTU                40  Jun 90
Versatile Transistor/Diode Tester              W5JE and W2YM        30  Aug 89
Vfo transistors (HN)                           W1OOP                74  Nov 69
VHF/UHF world: the ubiquitous diode            W1JR                 51  Feb 87
VHF/UHF world: the ubiquitous diode, part 2    W1JR                 55  Mar 87
Y parameters in rf design, using               WA0TCU               46  Jul 72
Zener diodes (HN)                              K3DPJ                79  Aug 68
Zener tester, low voltage (HN)                 K3DPJ                72  Nov 69

single sideband

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
1296-MHz ssb transceiver                       WA6UAM                8  Sep 74
144-MHz linear, 2 kW                           W6UOV, W6ZO, K6DC    26  Apr 70
144-MHz low-drive kilowatt linear              W6HHN                26  Jul 70
144-MHz transverter, the TR-144                K1RAK                24  Feb 72
3-500Z in amateur service, the                 W6SAI                56  Mar 68
432 MHz rf power amplifier                     K6JC                 40  Apr 70
432-MHz ssb converter                          K6JC                 48  Jan 70
432-MHz ssb converter                          Short circuit        79  Jun 70
432-MHz ssb, practical approach to             WA2FSQ                6  Jun 71
ACSSB: a level-one adapter                     WB6JNN               10  Oct 86
Adjusting SSB amplifiers                       AG6K                 33  Sep 85
Balanced modulator, integrated-circuit         K7QWR                 6  Sep 70
Balanced modulators, dual fet                  W3FQJ                63  Oct 71
Better sounding SSB                            AG6K                 58  Feb 84
Better sounding SSB                            Comments W2OZH       13  Jun 84
Communications receiver, phasing-type          WA0JYK                6  Aug 73
Converting a-m power amplifiers to ssb         WA4GNW               55  Sep 68
service
Converting the Swan 120 to two meters          K6RIL                 8  May 68
Detector, ssb, IC (HN)                         K4ODS                67  Dec 72
Detector, ssb, IC (HN)                         Correction           72  Apr 73
Detectors, ssb                                 Belt                 22  Nov 68
Development of Amateur SSB: a brief history    K4KJ                 12  Sep 84
Development of Amateur SSB: a brief history    Comments, AG4R        8  Dec 84
Double-balanced mixers                         W1DTY                48  Mar 68
Double-balanced modulator, broadband           WA6NCT                8  Mar 70
Early single-sideband transmitter (ham radio   W6SAI                30  Dec 81
techniques)
Electronic bias switching for linear           W6VFR                50  Mar 75
amplifiers
Elmer's notebook: power measurements           W1SL                100  Jan 88
Elmer's notebook: SSB basics- generating the   W1SL                117  Nov 88
signal
Elmer's notebook: SSB basics- receiving the    W1SL                117  Dec 88
signal
Filters, single-sideband                       Belt                 40  Aug 68
Filters, ssb (HN)                              K6KA                 63  Nov 73
Frequency dividers for ssb                     W7BZ                 24  Dec 71
Frequency translation in ssb transmitters      Belt                 22  Sep 68
Generating ssb signals with suppressed         Belt                 24  May 68
carriers
Guide to single sideband, a beginner's         Belt                 66  Mar 68
Ham radio techniques                           W6SAI               106  Oct 84
Hang agc circuit for sob and CW                W1ERJ                50  Sep 72
Inexpensive SSB for 10 meters                  AD5X                 30  Jun 90
Intermittent voice operation of power tubes    W6SAI                24  Jan 71
Linear amplifier design: Part 1                W6SAI                12  Jun 79
Linear amplifier design: Part 2                W6SAI                34  Jul 79
Linear amplifier design: Part 3                W6SAI                58  Aug 79
Linear amplifier performance, improving        W4PSJ                68  Oct 71
Linear amplifier, 100-watt                     W6WR                 28  Dec 75
Linear amplifier, five-band conduction-cooled  W9KIT                 6  Jul 72
Linear amplifier, five-band kilowatt           W4OQ                 14  Jan 74
Linear amplifier, five-band kilowatt           lmproved             59  Dec 74
                                               operation
Linear amplifier, HF solid-state kilowatt,     WA7SPR               67  Feb 85
mobile
Linear amplifier, homebrew five-band           W7IV                 30  Mar 70
Linear amplifier, modular, for the high-       K8RA                 12  Jan 81
frequency Amateur bands
Linear amplifier, modular, for the high-       Comments K1THP        6  Mar 81
frequency Amateur bands
Linear for 80-10 meters, high-power            W6HHN                56  Apr 71
Linear for 80-10 meters, high-power            Short circuit        96  Dec 71
Linear power amplifiers                        Belt                 16  Apr 68
Linear, five-band hf                           W7DI                  6  Mar 72
Linearity meter for ssb amplifiers             W4MB                 40  Jun 76
Linears, three bands with two (HN)             W4NJF                70  Nov 69
lntermodulation-distortion measurements on     W6VFR                34  Sep 74
ssb transmitters
Minituner, ssb                                 K1BQT                16  Oct 70
Modifying the Heath SB-200 amplifier for the   W6UOV                32  Jan 71
new 8873 zero-bias triode
Oscillators, ssb                               Belt                 26  Jun 68
Peak envelope power, how to measure            W5JJ                 32  Nov 74
Phase-shift networks, design criteria for      G3NRW                34  Jun 70
Phase-shift ssb generators                     Belt                 20  Jul 68
Phasing networks (letter)                      W2ESH                 6  Nov 78
Power supplies for single sideband             Belt                 38  Feb 69
Pre-emphasis for asb transmitters              OH2CD                38  Feb 72
Precise tuning with ssb gear                   W0KD                 40  Oct 70
Rating tubes for linear amplifier service      W6UOV, W6SAI         50  Mar 71
Rf clipper for the Collins S-line              K6JYO                18  Aug 71
Rf clipper for the Collins S-line              Letter               68  Dec 71
Rf speech Processor, sob                       W2MB                 18  Sep 73
Sideband location (HN)                         K6KA                 62  Aug 73
Six-meter transverter                          K8DOC, K8TVP         44  Dec 68
Solid-state circuits for ssb                   Belt                 18  Jan 69
Solid-state transmitting converter for 144-    W6NBI                 6  Feb 74
MHz ssb
Solid-state transmitting converter for 144-    Short circuit        62  Dec 74
MHz ssb
Speech clipper, IC                             K6HTM                18  Feb 73
Speech clipper, IC                             Added notes          64  Oct 73
                                               (letter)
Speech clipper, rf, construction               G6XN                 12  Dec 72
Speech clippers, rf, performance of            G6XN                 26  Nov 72
Speech clippers, rf, performance of            Added notes          58  Aug 73
Speech clippers, rf, performance of            Added notes          72  Sep 74
Speech clipping                                K6KA                 24  Apr 69
Speech clipping in single-sideband equipment   K1YZW                22  Feb 71
Speech process, logarithmic                    WA3FIY               38  Jan 70
Speech processing                              W1DTY                60  Jun 68
Speech processing, principles of               ZL1BN                28  Feb 75
Speech processing, principles of               Added notes          75  May 75
Speech processing, principles of               Added notes          64  Nov 75
Speech processor for ssb                       K6PHT                22  Apr 70
Speech processor, split-band                   N7WS                 12  Sep 79
Speech Processor, ssb                          VK9GN                31  Dec 71
Speech splatter on single sideband             W4MB                 28  Sep 75
Ssb exciter, 5-band                            K1UKX                10  Mar 68
Ssb generator, 9-MHz                           W9KIT                 6  Dec 70
Ssb generator, phasing-type                    W7CMJ                22  Apr 73
Ssb generator, phasing-type                    Added comments       65  Nov 73
                                               (letter)
Ssb phasing techniques, review                 VK2ZTB               52  Jan 78
Ssb phasing techniques, review                 Short circuit        94  Feb 79
Ssb phasing techniques, review (letter)        WB9YEM               82  Aug 78
Ssb transceiver, IC, for 80 meters             VE3GSD               48  Apr 76
Switching and linear amplification             W3FQJ                61  Oct 71
Syllabic vox system for Drake equipment        W6RM                 24  Aug 76
Transceiver, 3.5-MHz ssb                       VE6ABX                6  Mar 73
Transceiver, high-frequency with digital       DJ2LR                12  Mar 78
readout
Transceiver, miniature 7-MHz                   W7BBX                16  Jul 74
Transceiver, single-band ssb                   W1DTY                 8  Jun 69
Transceiver, ssb, IC                           G3ZVC                34  Aug 74
Transceiver, ssb, IC                           Circuit change       62  Sep 75
                                               (letter)
Transceiver, ssb, using LM373 IC               W5BAA                32  Nov 73
Transmitter alignment                          Allen                62  Oct 69
Transmitter and receiver for 40 meters, ssb    VE3GSD                6  Mar 74
Transmitter and receiver for 40 meters, ssb    Short circuit        62  Dec 74
Transmitter, phasing-type ssb                  WA0JYK                8  Jun 75
Transmitting mixers, 6 and 2 meters            K2ISP                 8  Apr 69
Transverter, low-power, high-frequency         W0RBR                12  Dec 78
Trapezoidal monitor scope                      VE3CUS               22  Dec 69
TTL ICs, using in ssb equipment                G4ADJ                18  Nov 75
Tuning up ssb transmitters                     Allen                62  Nov 69
TV sweep tubes in linear service, full-blast   W6SAI, W6UOV          9  Apr 68
operation of
Two-tone oscillator for ssb testing            W6GXN                11  Apr 72
Vacuum tubes, using odd-ball types in linear   W5JJ                 58  Sep 72
amplifier service
Vhf, uhf transverter, input source for (HN)    F8MK                 69  Sep 70
Vox and mox systems for ssb                    Belt                 24  Oct 68
Vox, versatile                                 W9KIT                50  Jul 71
Vox, versatile                                 Short circuit        96  Dec 71
Weaver modulation, 2-meter transmitter         N1COX                12  Jul 85

software

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Artificial Intelligence Application in         NULN                 30  Oct 89
Amateur Radio
BASIC program analyzes simple ladder networks  W3NQN                32  Aug 87
BASIC program analyzes simple ladder networks  Short circuit        97  Oct 87
Design a no-tune amplifier with your           W7DHD                 8  Sep 87
personal computer
Design program for the grounded-grid 3-500Z    W7DHD                 8  Jun 88
EME link calculator program                    KE6ZE                70  Feb 86
EME link calculator program                    Comments, KC8OH       9  Apr 86
Get on SSTV - with the C-64                    I2CAB, I2AED,        43  Oct 86
                                               ed. K9EI
Great circle computations using LOTUS 1-2-3    AD1B                 31  Sep 88
Ham Radio Techniques: The MN analysis          W6SAI                34  Feb 90
program, (that was then, this is now)
L-band ground wave propagation program         WA9GRF and          103  Jan 86
                                               Joseph R. Hennel
Morse code teaching tools for the C-64 and     KB8CS                35  Jan 88
128
Pathfinder-part 2                              K3FR                 47  Oct 88
Pathfinder: improved MINIMUF program           K3FR                 26  May 88
PV-4 on Your Commodore                         WA3EKL               64  Oct 89
PV-4 on Your Commodore                         Short circuit        64  Jan 90
T158/TI59 (HN)                                 K3VGX                65  Mar 82
Using macros with packet                       AD1B                 82  Oct 88
Using spreadsheet programs for amateur radio   AD1B                 95  Dec 86
projects

television

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
50 years of television                         W1DTY, K4TWJ         36  Feb 76
50 years of television                         Letter, WA6JFP       77  Sep 76
A tour through an NTSC TV station - part 1     KL7AJ                57  Dec 87
(historical aspects)
Broadcast quality television camera            WA8RMC               10  Jan 78
Callsign generator                             WB2CPA               34  Feb 77
Camera and monitor, sstv                       VE3EGO, Watson       38  Apr 69
Caption device for SSTV                        G3LTZ                61  Jul 77
Clean ATV the Modern Way                       WA1IAO               32  Jan 89
Color tv, slow-scan                            W4UMF, WB8DQT        59  Dec 69
Computer, processing, sstv pictures            W4UMF                30  Jul 70
Console, video, for ATV                        WB8LGA               12  Jan 80
CRT character enhancer                         W9CGI                66  Aug 82
Display SSTV pictures on a fast-scan TV        K6AEP                12  Jul 79
Fast- to slow-scan conversion, tv              W3EFG, W3YZC         32  Jul 71
Fast-scan camera converter for sstv            WA9UHV               22  Jul 74
Frequency-selective and sensitivity-           DK1BF                36  Nov 75
controlled sstv preamp
Get on SSTV - with the C-64                    K9EI                 43  Oct 86
Get on SSTV - with the C-64                    Short circuit        97  Oct 87
Helium Balloon ATV Launched Over Indiana       WB8ELK               72  Jun 89
Interlaced sync generator for ATV camera       WA8RMC               10  Sep 77
control
Medium-scan television                         W9NTP                54  Dec 81
Remarks on television series (comment)         KB9F0                 6  May 88
Slow-scan television                           WA2EMC               52  Dec 69
Slow-to-fast-scan television converters, an    K4TWJ                44  Aug 76
introduction
SSTV, applying microcomputers to               G3ZCZ/4X             20  Jun 82
Sync generator for black-and-white 525-line    K4EEU                79  Jul 77
TV
Sync generator, IC, for ATV                    W0KGI                34  Jul 75
Sync generator, sstv (letter)                  W1IA                 73  Apr 73
Technology of commercial television- part 2:   KL7AJ                54  Jan 88
hardware
Television DX                                  WA9RAQ               30  Aug 73
Test generator, sstv                           K4EEU                 6  Jul 73
Vestigial sideband microtransmitter for        WA6UAM               20  Feb 76
amateur television
Vestigial sideband microtransmitter for        Short circuit        94  May 77
amateur television

transmitters and power amplifiers - general

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
40-meter transmitter-receiver                  W6XM                 43  Dec 82
5CX1500 screen protection (HN)                 VE3AIA               58  Mar 83
6-meter amplifier                              W2GN                 72  Apr 83
6-meter amplifier                              Short circuit        97  Aug 83
A-M/fm converter for facsimile transmission,   SM6FJB               12  Dec 81
an
Adjusting SSB amplifiers                       AG6K                 33  Sep 85
Amplitude modulation, a different approach     WA5SNZ               50  Feb 70
Aural vco provides relative metering           K1ZJH                97  Jan 87
Batteries, how to select for portable          WA0AIK               40  Aug 73
equipment
Blower maintenance (HN)                        W6NIF                71  Feb 71
Blower-to-chassis adapter (HN)                 K6JYO                73  Feb 71
Collector Matching Networks                    KZJ                  34  Jan 89
Converting a-m power amplifiers to ssb         WA4GNW               55  Sep 68
service
CQer, automatic, for RTTY                      W4AYV                18  Nov 80
Design a no-tune amplifier with your           W7DHD                 8  Sep 87
personal computer
Digital readout, universal                     WB8IFM               34  Dec 78
Digital vfo basics                             Earnshaw             18  Nov 78
Efficiency of linear power amplifiers, how     W5JJ                 64  Jul 73
to compare
Eimac 5CX1500A power pentode, notes on         K9XI                 60  Aug 80
Electronic bias switching for linear           W6VFR                50  Mar 75
amplifiers
Fail-safe timer, transmitter (HN)              K9HVW                72  Oct 74
Filter converter, an up/down                   W5DA                 20  Dec 77
Filters, ssb (HN)                              K6KA                 63  Nov 73
Frequency multipliers                          W6GXN                 6  Aug 71
Frequency translation in ssb transmitters      Belt                 22  Sep 68
Grid-current measurement in grounded-grid      W6SAI                64  Aug 68
amplifiers
Grounded-grid amplifier parasitics             AG6K                 31  Apr 86
Grounded-grid amplifier parasitics             Comment, NJ0G         9  Jul 86
Grounded-grid amplifier parasitics             Comment, W2YW         6  Jul 86
Ham radio techniques: "white noise" revisited  W6SAI                79  Oct 87
Ham radio techniques: "white noise"            W6SAI                55  Jan 87
technology bites back
Ham radio techniques: super cathode driven     W6SAI                73  Nov 86
amplifier
High-voltage fuses in linear amplifiers (HN)   K9MM                 76  Feb 78
Homebrew Neutralizing Capacitor                N4LC                 38  May 89
Intermittent voice operation of power tubes    W6SAI                24  Jan 71
Key and vox clicks (HN)                        K6KA                 74  Aug 72
Linear power amplifiers                        Belt                 16  Apr 68
Linear power amplifiers (letter)               KB5EY, W6SAI          6  Dec 79
Linear Tuning with a War Surplus Capacitor     N2DCH                40  Jun 89
Lowpass filters for solid-state linear         WA0JYK               38  Mar 74
amplifiers
Lowpass filters for solid-state linear         Short circuit        62  Dec 74
amplifiers
Lowpass filters, elliptic, for transistor      W3NQN                20  Jan 81
amplifiers
Matching techniques, broadband, for            WA7WHZ               30  Jan 77
transistor rf amplifiers
MC1496, improved carrier suppression (HN)      K1ZJH                78  Apr 85
MC1496, improved carrier suppression (HN)      Short circuit        74  Jul 85
MMIC multiplier chains for the 902 MHz band    N6JH                 72  Feb 87
MMIC multiplier chains for the 902 MHz band    Short circuit        64  May 87
Multiple tubes in parallel grounding grid      W7CSD                60  Aug 71
(HN)
National NCX-500 modification for 15 meters    WA1KYO               87  Oct 77
(HN)
Networks, transmitter matching                 W6FFC                 6  Jan 73
Neutralizing tip (HN)                          ZE6JP                69  Dec 72
Parasitic oscillations in high-power           W0KGI                54  Sep 70
transistor rf amplifiers
Parasitic suppressor (HN)                      WA9JMY               80  Apr 70
Pi and pi-L networks                           W6SAI                36  Nov 68
Pi network design                              Anderson,            36  Mar 78
                                               Leonard H.
Pi network design                              Comments              6  Apr 79
Pi network design aid                          W6NIF                62  May 74
Pi network design aid                          Correction           58  Dec 74
                                               (letter)
Pi networks (letter)                           W6NIF                 6  Oct 78
Pi networks, series tuned                      W2EGH                42  Oct 71
Pi-network design, high-frequency power        W6FFC                 6  Sep 72
amplifier
Pi-network inductors (letter)                  W7IV                 78  Dec 72
Pi-network rf choke (HN)                       W6KNE                98  Jun 78
Power attenuator, all-band 10-dB               K1CCL                68  Apr 70
Power fets                                     W3FQJ                34  Apr 71
Power tube open filament pins (HN)             W9KNI                69  Apr 75
Practically speaking: noise, signals and       K4IPV                77  Feb 88
amplifiers
Practically Speaking: Parts for Antenna        K4IPV                83  Jan 89
Tuners and Linears Plus a Correction
Pre-emphasis for ssb transmitters              OH2CD                38  Feb 72
QSK Modification for the Trio-Kenwood TL-922   AG6K                 35  Mar 89
Amplifier
Quartz crystals (letter)                       WB2EGV               12  Dec 79
Relay activator (HN)                           K6KA                 62  Sep 71
Rf leakage from your transmitter, preventing   K9MM                 44  Jun 78
Rf power amplifiers, high-efficiency           WB8LQK                8  Oct 74
Rf power transistors, how to use               WA7KRE                8  Jan 70
RF switching, high power with pin diodes       KN8Z                 82  Jan 85
Screen clamp, solid-state                      W0LRW                44  Sep 68
Single-conversion transceivers, digital        K6YHK                28  Mar 81
frequency display for
Sstv reporting system                          WB6ZYE               78  Sep 76
Step-start circuit, high-voltage (HN)          W6VFR                64  Sep 71
Swr alarm circuits                             W2EEY                73  Apr 70
Talking clock (letter)                         N9KV                 75  Feb 80
Talking digital readout (letter)               N5AF                  6  May 80
Temperature alarms for high-power amplifiers   W2EEY                48  Jul 70
Three-tube 4CX250B linear amplifier            YU1AW                63  Apr 87
Transmitter power levels, some observations    WA5SNZ               62  Apr 71
regarding
Transmitter switching, solid-state             W2EEY                44  Jun 68
Transmitter, remote keying (HN)                WA3HDU               74  Oct 69
Transmitter-tuning unit for the blind          W9NTP                60  Jun 71
True frequency digital readout for the HW-101  NU4F                  8  Jan 87
True frequency digital readout for the HW-101  Short circuit        41  Aug 87
TV sweep tubes in linear service, full-blast   W6SAI, W6UOV          9  Apr 68
operation of
Two-Loop 10-Hz Step 40-70 MHz Synthesizer      PY1LL & C Mathias    24  Jan 89
Vacuum tubes, using odd-ball types in linear   W5JJ                 58  Sep 72
amplifiers
Vfo, digital readout                           WB8IFM               14  Jan 73
VMOS on 1750 meters                            K1RGO                71  Oct 83
XK2C AFSK generator, the                       W3HVK                58  Nov 80

transmitters and power amplifiers - high-frequency transmitters

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
14-MHz vfo transmitter, solid-state            W3QBO                 6  Nov 73
15-meter sideband transceiver                  WA4ZXF               12  Mar 83
15-meter sideband transceiver                  Short circuit        80  Jul 83
15-meter sideband transceiver                  Short circuit        66  Jan 86
160-meters, 500-watt power amplifier           W2BP                  8  Aug 75
28-MHz transmitter, solid-state                K2ZSQ                10  Jul 68
3-400Z, 3-500Z filament circuits, notes on     K9WEH                66  Apr 76
3-500Z in amateur service, the                 W6SAI                56  Mar 68
40-meters, transistor rig for                  W6BLZ, K5GXR         44  Jul 68
7-MHz QRP CW transmitter                       WA4MTH               26  Dec 76
80/40-meter junkbox rig revisited (HN)         W3RMD                70  Jan 90
Air pressure, measuring across transmitting    W4PSJ                89  Jan 80
tubes (HN)
ALC circuits, an analysis of                   K4JW                 19  Aug 81
Amplifier, 3CX1200A7 10 to 80 meter            K8RA                 75  Aug 85
An NE602-based QRP Transceiver for 20-meter    K1BQT                 9  Jan 89
CW
ART-13, Modifying for noiseless CW (HN)        K5GKN                68  Aug 69
Better frequency stability for the Drake TR7   HB9ABO               21  Aug 87
Card File Station for 40 Meters, The           W6XM                 56  Sep 89
Weekender
CAT control system for the Yaesu FT-757GX      SM6CPI               26  Nov 87
CB to 10 fm transceiver conversion             VE3FIT, VE3AQN       16  Feb 83
Compact 75-meter monoband transceiver          K1BQT                13  Nov 85
Convert a $25 CB HT for 6 meters               K1ZJH                79  Aug 87
CW transceiver for 40 and 80 meters            W3NNL, K3OIO         14  Jul 69
CW transceiver for 40 and 80 meters, improved  W3NNL                18  Jul 77
CW transceiver, low-power 20-meter             W7ZOI                 8  Nov 74
CW transmitter, half-watt                      K0VQY                69  Nov 69
Design an amplifier around the 3CX1200A7       W7DHD                33  Dec 87
Driver and final for 40 and 80 meters, solid-  W3QBO                20  Feb 72
state
Electronic bias switch for negatively-biased   WA5KPG               27  Nov 76
power amplifiers
Field-effect transistor transmitters           K2BLA                30  Feb 71
Filters, low-pass for 10 and 15 meters         W2EEY                42  Jan 72
Five-band Junkbox Transmitter                  W3RMD                42  Dec 89
Five-band transmitter, hf, solid-state         I5TDJ                24  Apr 77
Frequency synthesizer, high frequency          K2BLA                16  Oct 72
Grounded-grid 2 kW PEP amplifier, high         W6SAI                 6  Feb 69
frequency
Ham notebook: curing FT-1012D key clicks       N5RM                 74  Feb 88
Ham radio techniques: 160-meter equipment      W6SAI                77  Mar 87
Heath HW-101 transceiver, using with a         WA1MKP               63  Oct 73
separate receiver (HN)
High dynamic range mixing with the Si8901      KB7QJ                11  Mar 88
Improved stability and dial calibration for    W3HVK               103  Nov 83
the Heathkit HW-8 (HN)
Kilowatt mobile for DX                         K5DUT                43  Dec 80
Linear amplifier design: Part 1                W6SAI                12  Jun 79
Linear amplifier design: Part 2                W6SAI                34  Jul 79
Linear amplifier design: Part 3                W6SAI                58  Aug 79
Linear amplifier performance, improving        W4PSJ                68  Oct 71
Linear amplifier, 100-watt                     W6WR                 28  Dec 75
Linear amplifier, five-band                    W7IV                 30  Mar 70
Linear amplifier, five-band conduction-cooled  W9KIT                 6  Jul 72
Linear amplifier, HF solid-state kilowatt,     WA7SPR               67  Feb 85
mobile
Linear amplifier, modular, for the high-       K8RA                 12  Jan 81
frequency Amateur bands
Linear amplifier, modular, for the high-       Comments K1THP        6  Mar 81
frequency Amateur bands
Linear amplifiers, modifying for full break-   K4XU                 38  Apr 78
in operation
Linear for 80-10 meters, high-power            W6HHN                56  Apr 71
Linear for 80-10 meters, high-power            Short circuit        96  Dec 71
Linear power amplifier, high-power solid-      Chambers              6  Aug 74
state
Linear, five-band hf                           W7DI                  6  Mar 72
Linear, five-band kilowatt                     W4OQ                 14  Jan 74
Linear, five-band kilowatt                     Improved             59  Dec 74
                                               operation
Linear-amplifier cost efficiency               W8MFL                60  Jul 80
Linears, three bands with two (HN)             W4NJF                70  Nov 69
Low-frequency transmitter, solid-state         W4KAE                16  Nov 68
Lowpass filter, high-frequency                 W2OLU                24  Mar 75
Lowpass filter, high-frequency                 Short circuit        59  Jun 75
Lowpass filters, elliptic, for transistor      W3NQN                20  Jan 81
amplifiers
Modifying the Heath SB-200 amplifier for the   W6UOV                32  Jan 71
new 8873 zero-bias triode
Mosfet power amplifier, for 160 - 6 meters     WA1WLW               12  Nov 78
Phase-locked loop, 28 MHz                      W1KNI                40  Jan 73
QRP fet transmitter, 80-meter                  W3FQJ                50  Aug 75
Remote control hf operation                    K5QY                 32  Apr 83
Remote control hf operation                    Short circuit        97  Aug 83
Ssb exciter, 5-band                            K1UKX                10  Mar 68
Ssb transceiver using LM373 IC                 W5BAA                32  Nov 73
Ssb transceiver, 9-MHz, IC                     G3ZVC                34  Aug 74
Ssb transceiver, 9-MHz, IC                     Circuit change       62  Sep 75
                                               (letter)
Ssb transceiver, miniature 7-MHz               W7BBX                16  Jul 74
Ssb transmitter and receiver, 40 meters        VE3GSD                6  Mar 74
Ssb transmitter and receiver, 40 meters        Short circuit        62  Dec 74
Ssb transmitter, phasing type                  WA0JYK                8  Jun 75
Tank circuit, inductively-tuned high-          W6SAI                 6  Jul 70
frequency
Thumbwheel frequency selector for the Yaesu    KA9SNF               33  Nov 87
FT-757GX
Transceiver, 3.5-MHz ssb                       VE6ABX                6  Mar 73
Transceiver, high-frequency with digital       DJ2LR                12  Mar 78
readout
Transceiver, single-band ssb                   W1DTY                 8  Jun 69
Transmitter, five-band, CW and ssb             WN3WTG               34  Jan 77
Transmitter, low-power                         W6NIF                26  Dec 70
Transmitter, universal flea-power              K2ZSQ                58  Apr 69
Transmitters, QRP                              W7OE                 36  Dec 68
Transverter, high-level hf                     K4ERO                68  Jul 68
Transverter, low-power, high-frequency         WA0RBR               12  Dec 78
TS-440 interface for keying linears with       W6VVTU               98  Nov 88
high voltage biasing (HN)
Vacuum tube amplifier, design a toroidal       W6YUY                29  Aug 85
tank circuit for
Wideband linear amplifier, 4 watt              VE5FP                42  Jan 76

transmitters and power amplifiers - vhf and uhf transmitters

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
10-GHz transceiver for amateur microwave       DJ7OO                10  Aug 78
communications
1296-MHz frequency tripler                     K4SUM, W4API         40  Sep 69
1296-MHz power amplifier                       W2COH, W2CCY,        43  Mar 70
                                               W2OJ, W1MU
1296-MHz transverter                           K6ZMW                10  Jul 77
144-and 432- stripling amplifieritripler       K2RIW                 6  Feb 70
144-MHz fm transmitter                         W9SEK                 6  Apr 72
144-MHz fm transmitter, solid-state            W6AJF                14  Jul 71
144-MHz fm transmitter, Sonobaby               WA0UZO                8  Oct 71
144-MHz fm transmitter, Sonobaby               Short circuit        96  Dec 71
144-MHz fm transmitter, Sonobaby               Crystal deck for     26  Oct 72
144-MHz low-drive kilowatt linear              W6HHN                26  Jul 70
144-MHz low-power solid-state transmitter      K0VQY                52  Mar 70
144-MHz phase-modulated transmitter            W6AJF                18  Feb 70
144-MHz power amplifier, 10-watt solid-state   W1DTY                67  Jan 74
144-MHz power amplifier, high-performance      W6UOV                22  Aug 71
144-MHz power amplifiers, solid state          W4CGC                 6  Apr 73
144-MHz transceiver, a-m                       K1AOB                55  Dec 71
144-MHz transmitting converter, solid-state    W6NBI                 6  Feb 74
ssb
144-MHz transmitting converter, solid-state    Short circuit        62  Dec 74
ssb
144-MHz two-kilowatt linear                    W6OUV, W6ZO, K6DC    26  Apr 70
220-MHz exciter                                WB6DJV               50  Nov 71
220-MHz kilowatt linear                        W6PO                 12  Jun 80
220-MHz power amplifier                        W6UOV                44  Dec 71
220-MHz rf power amplifier, vhf fm             K7JUE                 6  Sep 73
220-MHz, rf power amplifier for                WB6DJV               44  Jan 71
2304-MHz power amplifier                       WA9HUV                8  Feb 75
30-MHz preamplifier, low-noise                 W1HR                 38  Oct 78
432-MHz 100-watt solid-state power amplifier   WA7CNP               36  Sep 75
432-MHz amplifier, 2-kW                        W6DAI, W6NLZ          6  Sep 68
432-MHz exciter, solid-state                   W1OOP                38  Oct 69
432-MHz rf power amplifier                     K6JC                 40  Apr 70
432-MHz solid-state linear amplifier           WB6QXF               30  Aug 75
432-MHz ssb converter                          K6JC                 48  Jan 70
432-MHz ssb converter                          Short circuit        79  Jun 70
50-MHz kilowatt, inductively tuned             K1DPP                 8  Sep 75
50-MHz linear amplifier                        K1RAK                38  Nov 71
50-MHz linear amplifier, 2-kW                  W6UOV                16  Feb 71
50-MHz linear, inductively tuned               W6SAI                 6  Jul 70
50-MHz transmitter, solid-state                WB2EGZ                6  Oct 68
50-MHz transverter                             K1RAK                12  Mar 71
50/144-MHz multimode transmitter               K2ISP                28  Sep 70
Converter, dc-dc, increases Gunnplexer         W1XZ                 70  Apr 80
frequency swing (HN)
Converting the Swan 120 to two meters          K6RIL                 8  May 68
Fm repeater transmitter, improving             W6GDO                24  Oct 69
Linear for 1296 MHz, high-power                WB6IOM                8  Aug 68
Linear for 2 meters                            W4KAE                47  Jan 69
Phase-locked loop, 50 MHz                      W1KNI                40  Jan 73
Synthesized 2-meter mobile stations,           W9CGI                20  Jun 80
automation for
Transistors for vhf transmitters (HN)          W1OOP                74  Sep 69
Transmitter, flea power                        K2ZSQ                80  Dec 68
Transmitter, flea power                        K2ZSQ                58  Apr 69
Transmitting mixers for 6 and 2 meters         K2ISP                 8  Apr 69
Transverter for 6 meters                       WA9IGU               44  Jul 69
Tunnel diode phone rig, 6-meter (HN)           K2ZSQ                74  Jul 68
Vhf linear, 2kW, design data for               W6UOV                 6  Mar 69

transmitters and power amplifiers - test and troubleshooting

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Aligning vhf transmitters                      Allen                58  Sep 68
Six-meter transverter                          K8DOC, K8TVP         44  Dec 68
Ssb transmitter alignment                      Allen                62  Oct 69
Tuning up ssb transmitters                     Allen                62  Nov 69

troubleshooting

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Analyzing wrong dc voitages                    Allen                54  Feb 69
Audio distortion, curing in speech amplifiers  Allen                42  Aug 70
Basic troubleshooting                          James                54  Jan 76
Dc-dc converters, curing trouble in            Allen                56  Jun 70
GLA-1000 amplifier, stop blowing finals        G4CFY, G3ROG         59  Aug 85
Grounded-grid amplifier parasitics             AG6K                 31  Apr 86
Grounded-grid amplifier parasitics             Comment, NJ0G         9  Jul 86
Grounded-grid amplifier parasitics             Comment, W2YW         6  Jul 86
I-f transformers, problems and cures -         K4IPV                56  Mar 79
Weekender
Logic circuits, troubleshooting                W8GRG                56  Feb 77
Mobile power supplies, troubleshooting         Allen                56  Jun 70
Ohmmeter troubleshooting                       Allen                52  Jan 69
Oscillator troubleshooting (repair bench)      K4IPV                54  Mar 77
Oscillators, repairing                         Allen                69  Mar 70
Oscilloscope, putting to work                  Allen                64  Sep 69
Oscilloscope, troubleshooting amateur gear     Allen                52  Aug 69
with
Power supply, troubleshooting                  K4IPV                78  Sep 77
Practically speaking                           K4IPV                59  Jan 86
Practically speaking                           K4IPV                35  Feb 86
Practically speaking: coax velocity factor     K4IPV                78  Nov 86
Practically speaking: using the multimeter     K4IPV                43  Jul 86
Practically speaking: using the right          K4IPV                95  Jun 86
multimeter
Receiver alignment techniques, vhf fm          K4IPV                14  Aug 75
Receivers, troubleshooting the dead            K4IPV                56  Jun 76
Resistance measurement, troubleshooting by     James                58  Apr 76
Rf and i-f amplifiers, troubleshooting         Allen                60  Sep 70
Speech amplifiers, curing distortion           Allen                42  Aug 70
Ssb transmitter alignment                      Allen                62  Oct 69
Sweep generator, how to use                    Allen                60  Apr 70
Transistor circuits, troubleshooting           K4IPV                60  Sep 76
Transistor testing                             Allen                62  Jul 70
Tuning up ssb transmitters                     Allen                62  Nov 69
TVI problem, solving a difficult (HN)          W2YW                152  Sep 85
Voltage troubleshooting                        James                64  Feb 76

vhf and microwave - general

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
10-GHz cross-guide coupler                     WB2ZKW               66  Oct 79
10-GHz Gunnplexer transceivers, construction   Feature              26  Jan 79
and practice
10-GHz Gunnplexer transceivers, construction   Comments, W6OAL       6  Sep 79
and practice
10-GHz oscillator, ultra stable                K8UR                 57  Jun 83
1296-MHz double-stub tuner                     K6LK                 70  Dec 78
1296-MHz microstrip filter, improved           N6TX                 60  Aug 78
grounding for
1296-MHz microstripline bandpass filters       WA6UAM               46  Dec 75
144-MHz fm frequency meter                     W4JAZ                40  Jan 71
144-MHz fm frequency meter                     Short circuit        72  Apr 71
144-MHz frequency synthesizer                  WB4FPK               34  Jul 73
144-MHz frequency synthesizer, CMOS            Short circuit        81  Apr 80
144-MHz frequency-synthesizer, one-crystal     W0KMV                30  Sep 73
2.3GHz prescaler                               N6JH                 21  Jan 87
220-MHz frequency synthesizer                  W6GXN                 8  Dec 74
2304-MHz stripline bandpass filter             WA4WDL, WB4LJM       50  Apr 77
40-GHz record                                  K7PMY                70  Dec 68
40-meter transmitter-receiver                  W6XM                 43  Dec 82
432-MHz ssb, practical approach to             WA2FSQ                6  Jun 71
440-MHz bandpass filter                        WA8YBT               62  Nov 79
50-MHz bandpass filter                         W4EKO                70  Aug 76
50-MHz frequency synthesizer                   W1KNI                26  Mar 74
50-MHz RF Bridge                               G8CJM                53  Jul 89
A-m modulation monitor (HN)                    K7UNL                67  Jul 71
AF transmission cable, microwave applications  K3HW                106  May 85
Amateur vhf fm operation                       W6AYZ                36  Jun 68
APX-6 transponder, notes on                    W6OSA                32  Apr 68
Artificial radio aurora, vhf scattering        WB6KAP               18  Nov 74
characteristics
ATV power amplifier, fast-scan                 WB0ZJP               67  Mar 85
Audio to microwave amplifier, build your own   Gruchalla,           12  Mar 84
                                               Michael
Band change from six to two meters, quick      K0YQY                64  Feb 70
Bandpass filter design, interdigital,          N6JH, Monemzadeh     12  Jan 85
computer-aided
Bandpass filter design, interdigital,          Short circuit       117  Jun 85
computer-aided
Bandpass filters, 25 to 2500 MHz               K6RIL                46  Sep 69
Bandpass filters, single-pole                  W6HPH                51  Sep 69
Battery-voltage monitor for HTs (weekender)    K2MWU                78  Sep 82
Bicycle mobile                                 NH6N                 38  Sep 88
Bypassing, rf, at vhf                          WB6BHI               50  Jan 72
Cavity filter, 144-MHz                         W1SNN                22  Dec 73
Cavity filter, 144-MHz                         Short circuit        64  Mar 74
Cavity filters, surplus, how to modify for     W4FXE                42  Feb 80
144 MHz
Coaxial filter, vhf                            W6SAI                36  Aug 71
Coaxial-line resonators (HN)                   WA7KRE               82  Apr 70
Coil-winding data, practical vhf and uhf       K3SVC                 6  Apr 71
Converting mobile microphones for handheld     KD8KZ and WB3JCC     79  Mar 86
VHF transceivers
Crystal mount, untuned                         W1DTY                68  Jun 68
Designing a microwave amplifier                Domanski, S.         30  Sep 87
Diplexer mods (HN)                             K5PFE                89  Apr 83
Dual wattmeter, 50-500 MHz                     WB4EHS               67  Jul 85
Duplexer, six cavity, home-brewed              K9EYY                12  Feb 85
Earth-moon-earth (ham radio techniques)        W6SAI                40  Feb 81
Effective radiated power (HN)                  VE7CB                72  May 73
Efficient matching                             VE7BS                83  Sep 83
EI2W six-meter report (letter)                 EI2W                 12  Jul 80
Elevation indicator, inexpensive               W5JTL                67  Jun 85
Elmer's notebook: 1200 MHz band                W1SL                113  Dec 87
Elmer's notebook: 220 MHz                      W1SL                 91  Aug 87
EME link calculator program                    KE6ZE                70  Feb 86
F-237/GRC surplus cavity filter, conversion    W4FXE                22  Dec 80
versatility using the
Frequency multipliers                          W6GXN                 6  Aug 71
Frequency multipliers, transistor              W6AJF                49  Jun 70
Frequency scaler, 500-MHz                      W6URH                32  Jun 75
Frequency scalers, 1200-MHz                    WB9KEY               38  Feb 75
Frequency synchronization for scatter-mode     K2OVS                26  Sep 71
propagation
Frequency synthesizer (letter)                 WA3AXS               12  Jul 80
Frequency synthesizer, 220 MHz                 W6GXN                 8  Dec 74
G.O.E.S. reception: a simple approach          WA4WDL               46  Jan 84
GaAs field-effect transistors, introduction    WA2ZZF               74  Jan 78
Get on 6 meters the inexpensive way            KB1KJ                91  Mar 85
Gridded tubes, vhf/uhf effects in              W6UOV                 8  Jan 69
Gunn oscillator design for the 10-GHz band     WB2ZKW                6  Sep 80
Handheld transceiver mount (a 2-way ashtray    KB2XM                64  Jul 81
for your car) (weekender)
Harmonic generator (HN)                        W5GDQ                76  Oct 70
Helical antenna matching                       Belliveau, John      73  May 83
Homebrew Diplexer (HN)                         G8MWR                30  Sep 89
Impedance bridge (HN)                          W6KZK                67  Feb 70
Improving vhf/uhf receivers                    W1JAA                44  Mar 76
Indicator, sensitive rf                        WB9DNI               38  Apr 73
Instant balun (letter)                         W8MQW                 6  Aug 81
K9LHA 2-meter synthesizer, extending the       K9LHA                52  Dec 81
range of (HN)
Klystron cooler, waveguide (HN)                WA4WDL               74  Oct 74
L-band ground wave propagation program         WA9GFR and          103  Jan 86
                                               Joseph R. Hennel
L-band local oscillators                       N6TX                 40  Dec 79
Local oscillators, high stability for          WB3JZO               29  Nov 85
microwave receivers and other applications
Low Cost Battery Pack for Your Kenwood TH-     KE6WF                40  Nov 89
25AT Handheld
Lunar-path nomograph                           WA6NCT               28  Oct 70
Measuring noise figure                         K2BLA                26  Jan 84
Micros and VHF beacons transmit messages       K9EI                 51  Jul 85
automatically
Microstrip impedance program                   K8UR                 84  Dec 84
Microstrip impedance, simple formula for       W1HR                 72  Dec 77
Microstrip transmission line                   W1HR                 28  Jan 78
Microwave bibliography                         W6HDO                68  Jan 78
Microwave communications, amateur standards    K6HIJ                54  Sep 69
for
Microwave frequency doubler                    WA4WDL               69  Mar 76
Microwave hybrids and couplers for amateur     W2CTK                57  Jul 70
use
Microwave hybrids and couplers for amateur     Short circuit        72  Dec 70
use
Microwave marker generator, 3cm band (HN)      WA4WDL               69  Jun 76
Microwave network for multimode                K4TWJ                36  Aug 82
communications
Microwave path evaluation                      N7DH                 40  Jan 78
Microwave rf generators, solid-state           W1HR                 10  Apr 77
Microwave solid-state amplifier design         WA6UAM               40  Oct 76
Microwave solid-state amplifier design         Comment, VK3TK,      98  Sep 77
                                               WA6UAM
Microwave systems, first building blocks for   WA2GFP               52  Dec 80
Microwave-frequency converter for vhf          KA9BYI               40  Jul 80
counters
Microwaves, getting started in                 Roubal               53  Jun 72
Microwaves, introduction to                    W1CBY                20  Jan 72
MMIC multiplier chains for the 902 MHz band    N6JH                 72  Feb 87
MMIC multiplier chains for the 902 MHz band    Short circuit        64  May 87
Modular transmit and receive converters for    N6JH                 17  Mar 87
902 MHz
Monitor, tone alert                            W4KRT                24  Aug 80
Monolithic RF amplifiers                       N6JH                 22  Mar 86
Moon coordinates, determining basic            W2WD                 38  Jan 85
Moon-tracking by computer                      K6WX                 38  Mar 84
Moonbounce to Australia                        W1DTY                85  Apr 68
More about moonbounce (ham radio techniques)   W6SAI                34  Mar 81
Multipurpose uhf oscillator, simplifying the   WA9HYV               28  Sep 81
Noise figure measurements, vhf                 WB6NMT               36  Jun 72
Noise figure measurements, vhf noise           K2ZSQ                79  Aug 68
generators, using (HN)
Noise figure, meaning of                       K6MIO                26  Mar 69
Novice enhancement and the 220 MHz band,       W9JUV                 4  Apr 87
Reflections:
Outstanding 144-MHz EME achievement            K8BZW                79  Apr 90
Phase-locked loop, tunable 50 MHz              W1KNI                40  Jan 73
Plasma-diode experiments                       Stockman, Harry      62  Feb 80
Polaplexer design                              K6MBL                40  Mar 77
Power dividers and hybrids                     W1DAX                30  Aug 72
Power dividers, extended/expanded              W5JTL                73  Oct 84
Power FETS: trend for VHF amplifiers           W7PUA and            12  Jan 84
                                               Peters, D.
Power supply, amplifier                        WA2GFP               32  Sep 83
Practically speaking: parametric amplifiers    K4IPV                65  Mar 88
Preamp at work, Quiet!                         N6TX                 14  Nov 84
Proportional temperature control for crystal   VE5FP                44  Jan 70
ovens
Radio observatory, vhf                         Ham                  44  Jul 74
Radio telescope antenna requirement            Landecker, Tom       44  Mar 83
Reflex klystrons, pogo stick for (HN)          W6BPK                71  Jul 73
Remote base/simplex phone patch controller     AA4NX & KK4LA        54  Aug 88
Repeater security                              WA5FRF               52  Feb 81
Rf power-detecting devices                     K6JYO                28  Jun 70
Satellite communications                       K1TMA                52  Nov 72
Satellite communications                       Added notes          73  Apr 73
                                               (letter)
Satellite signal polarization                  KH6IJ                 6  Dec 72
Silverplating, safe, sensible                  K9EYY                29  Feb 85
Simple VHF/UHF multiple quarter-wave filters   WA3EWT               37  Sep 87
Solar cycle 20, vhfer's view of                WA5IYX               46  Dec 74
Solid-state Switching The Midland 13-509,      VE2HOT               17  Jun 89
The Weekender
Spectrum analyzer microwave                    N6TX                 34  Jul 78
Spectrum analyzer, microwave                   WA6UAM               54  Aug 77
Sporadic E and 50-MHz transatlantic            G3NAQ                10  Jul 88
propagation during 1987
Super beep circuit for repeaters               KP4AQI               48  Jul 81
Synthesized time identifier for your repeater  WA4GUA               42  Nov 82
Tank circuits, design of vhf                   K7UNL                56  Nov 70
The Guerri report: fiber optics                Comment, WD9EIA       8  Feb 83
The Guerri report: fiber optics                Comments, K2MWU       8  Feb 83
The Guerri report: fiber optics                W6MGI               141  May 86
The Guerri report: mm waves, part1             W6MGI               109  Feb 86
The Guerri report: mm waves, part2             W6MGI               117  Mar 86
The Guerri report: signal processing           W6MGI               156  Dec 84
Tone decoder, the ultimate                     WD9EIA, WB9HGZ       32  Sep 82
Touchtone auto-dialer, portable                K2MWU                12  Aug 82
Trade off power for antenna gain at VHF?       WA9GFR, Hennel       32  Jul 85
Trade off power for antenna gain at VHF?       Comment, WA9GFR       9  Apr 86
Two-meter autopatches, tone-encoder for        WB0VSZ               51  Jun 80
UHF antenna tower, low-cost                    KA6GVY               30  Oct 84
Uhf dummy load, 150-watt                       WB6QXF               30  Sep 76
Uhf hardware (HN)                              W6CMQ                76  Oct 70
Varactor tuning tips (HN)                      N3GN                 69  Dec 80
Vfo, high-stability vhf                        OH2CD                27  Jan 72
VHF amplifiers, carrier-operated relay         WB3JCC, KD8KZ        45  Apr 85
Vhf beacons                                    K6EDX                52  Oct 69
Vhf beacons                                    W3FQJ                66  Dec 71
Vhf circuits, eliminating parallel currents    G3IPV                91  May 77
(HN)
VHF meteor scatter communications              AI7J                 69  Feb 84
VHF noise bridge                               OE2APM/AA3K          10  Jul 86
VHF signal generation, harmonic mixer          K1ZJH                40  Mar 85
VHF signal generation, harmonic mixer          Short circuit       121  May 85
VHF techniques                                 W6NBI                62  Jul 80
VHF transceivers, regulated power supply for   WA8RXU               58  Sep 80
VHF/UHF world                                  W1JR                 45  Sep 84
VHF/UHF world                                  W1JR                 55  Oct 84
VHF/UHF world                                  W1JR                 54  Nov 85
VHF/UHF world                                  W1JR                 85  Dec 85
VHF/UHF world: 33 cm - our newest band         W1JR                 83  Apr 86
VHF/UHF world: 33 cm - our newest band         Short circuit         9  Aug 86
                                               (p. 87, July 86)
VHF/UHF world: 33 cm update                    W1JR                 74  Apr 87
VHF/UHF world: 33 cm update                    Short circuit        81  Sep 87
VHF/UHF world: designing and building loop     W1JR                 56  Sep 85
Yagis
VHF/UHF World: DX Records on 50 MHz and Above  W1JR                 48  Jan 89
VHF/UHF World: DX Records on 50 MHz and        W1JR                 42  Feb 89
Above- pt 2
VHF/UHF world: high power amplifiers: part1    W1JR                 97  Jan 85
VHF/UHF world: high power amplifiers: part2    W1JR                 38  Feb 85
VHF/UHF world: IMD and splatter                W1JR                 71  Oct 88
VHF/UHF world: impedance matching techniques   W1JR                 27  Oct 87
VHF/UHF world: improving meteor scatter        W1JR                 82  Jun 84
communications
VHF/UHF world: keeping VHF/UHFers up-to-date   W1JR                126  Mar 85
VHF/UHF world: loose ends                      W1JR                 82  Feb 88
VHF/UHF world: low-noise GaAs FET technology   W1JR                 99  Dec 84
VHF/UHF world: meteor scatter communications   W1JR                 68  Jun 86
VHF/UHF world: meteor scatter communications   Short circuit        87  Jul 86
VHF/UHF world: microwave and millimeter-wave   W1JR                 63  Jan 87
update
VHF/UHF world: microwave bands                 W1JR                 44  Jan 86
VHF/UHF world: microwave portable operation    W1JR                 75  Jun 87
VHF/UHF world: microwave portable operation    Short circuit        81  Sep 87
VHF/UHF world: minimum requirements for 2-     W1JR                 39  Aug 87
meter EME - part1
VHF/UHF world: minimum requirements for 2-     Comments, W7WRO       9  Dec 87
meter EME - part1
VHF/UHF world: minimum requirements for 2-     W1JR                 65  Sep 87
meter EME - part2
VHF/UHF world: operating a VHF/UHF microwave   W1JR                 38  Jul 87
station
VHF/UHF world: operating a VHF/UHF microwave   Short circuit        81  Sep 87
station
VHF/UHF world: operating a VHF/UHF microwave   Short circuit        97  Oct 87
station
VHF/UHF world: power splitters and summers     W1JR                 80  May 88
VHF/UHF world: propagation update              W1JR                 86  Jul 85
VHF/UHF world: protecting equipment            W1JR                 83  Jun 85
VHF/UHF world: rf connectors, part1            W1JR                 77  Sep 86
VHF/UHF world: rf connectors, part2            W1JR                 59  Oct 86
VHF/UHF world: the VHF/UHF challenge           W1JR                 42  Jan 84
VHF/UHF world: the VHF/UHF primer, an          W1JR                112  Aug 84
introduction to filters
VHF/UHF world: the VHF/UHF primer, an          W1JR                 14  Jul 84
introduction to propagation
VHF/UHF world: transmission lines              W1JR                 83  Oct 85
VHF/UHF world: transmission lines              Comment, W9ICZ        9  Apr 86
VHF/UHF world: uW and mm-wave propagation,     W1JR                 69  Aug 86
part2
Voltage-tuned UHF oscillator, multipurpose     WA9HUV               12  Dec 80
Weak-signal communications                     W4LTU                26  Mar 78
Weather radar, 10-GHz                          K4TWJ                61  Sep 83
Wireless 220-MHz to 2-meter converter          W3RW                 36  Jan 82
(weekender)
X-band calibrator                              WA6EJO               44  Apr 81
X-band mixer, low noise                        N5AX                 22  Jan 83

vhf and microwave - antennas

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
10 GHz dielectric antenna (HN)                 WA4WDL               80  May 75
10 GHz, broadband antenna                      WA4WDL, WB4LJM       40  May 77
10 GHz, broadband antenna                      Short circuit        94  Feb 79
1296-MHZ antenna, high-gain                    W3AED                74  May 78
1296-MHz Yagi                                  W2CQH                24  May 72
1296-MHz Yagi array                            W3AED                40  May 75
144-MHz antenna switch, solid-state            K2ZSQ                48  May 69
144-MHz antenna, 5/8 wave vertical             K6KLO                40  Jul 74
144-MHz antenna, 5/8-wave vertical, build      WB4WSU               67  Jun 74
from CB mobile whips
144-MHz antennas, simple                       WA3NFW               30  May 73
144-MHz collinear antenna                      W6RJO                12  May 72
144-MHz collinear uses PVC pipe mast (HN)      K8LLZ                66  May 76
144-MHz four-element collinear array           WB6KGF                6  May 71
144-MHz ground plane antenna, 0.7 wavelength   W3WZA                40  Mar 69
144-MHz moonbounce antenna                     K6HCP                52  May 70
144-MHz whip, 5/8-wave (HN)                    VE3DDD               70  Apr 73
2-meter beam, portable                         KB5QJ               113  Oct 85
432- and 1296-MHz quad-yagi arrays             W3AED                20  May 73
432- and 1296-MHz quad-yagi arrays             Short circuit        58  Dec 73
432-MHz corner reflector antenna               WA2FSQ               24  Nov 71
432-MHz high-gain Yagi                         K6HCP                46  Jan 76
432-MHz high-gain Yagi                         Comments, W0PW       63  May 76
432-MHz OSCAR antenna (HN)                     W1JAA                58  Jul 75
440-MHz collinear antenna, four-element        WA6HTP               38  May 73
50-MHz antenna coupler                         K1RAK                44  Jul 71
50-MHz collinear beam                          K4ERO                59  Nov 69
50-MHz cubical quad, economy                   W6DOR                50  Apr 69
50-MHz mobile antenna (HN)                     W4PSJ                77  Oct 70
6-meter kilowatt amplifier                     KX0O                 50  Jul 88
Antenna insulators, PTFE VHF                   W5JTL                98  Oct 85
Antenna-performance measurements using         W5CQ/W4RXY           75  May 79
celestial sources
Cheap and dirty 6-meter beam                   W5UOJ                56  Jul 88
Circularly-polarized ground-plane antenna      K4GSX                28  Dec 74
for satellite communications
Colagi antenna, The                            VE3BFM               61  May 86
Computer-aided design of long VHF Yagi         VK4ZF                28  May 86
antennas
Convert an inexpensive CB mag-mount antenna    K7DBA                52  Oct 86
into a superb 2-meter whip
Cylindrical feedhorns revisited                WA9HUV               20  Feb 86
Cylindrical feedhorns, second-generation       WA9HUV               31  May 82
Direction-finding tool, the fox box            K1ZJH                25  Oct 85
Feed horn, cylindrical, for parabolic          WA9HUV               16  May 76
reflectors
Feeding and matching techniques for vhfluhf    W1JAA                54  May 76
antennas
Fresnel-zone plate for 10.4 GHz                WB6YVK               44  May 82
Fresnel-zone plate for 10.4 GHz                Comments, KB9O,       8  Nov 82
                                               WB6YVK
Ground plane, portable vhf (HN)                K9DHD                71  May 73
Ham notebook: a 2-meter halo antenna           NR5A                 63  May 87
High-performance Yagis for 432 MHZ             K1FO                  8  Jul 87
High-performance Yagis for 432 MHZ             Comments: KLM         6  Sep 87
                                               balun, Scott, W.
High-performance Yagis for 432 MHZ             Short circuit        97  Oct 87
Inexpensive five-eighth wave groundplane (HN)  W7CSD                84  Mar 81
Log-periodic yagi beam antenna                 K6RIL, W6SAI          8  Jul 69
Log-periodic yagi beam antenna                 Correction           68  Feb 70
Long 2-meter collinears - a simple way to      WB3AYW               95  May 86
achieve gain (HN)
Matching 432-MHz helical antennas              W8NWU                44  Mar 83
Matching techniques for vhf/uhf antennas       W1JAA                50  Jul 76
Microstrip swr bridge, vhf and uhf             W4CGC                22  Dec 72
Microwave antenna, low-cost                    K6HIJ                52  Nov 69
Open-wire line for 2-meters                    N4UH                 94  Jan 87
Oscar az-el antenna system                     WA1NXP               70  May 78
Parabolic reflector antennas                   VK3ATN               12  May 74
Parabolic reflector element spacing            WA9HUV               28  May 75
Parabolic reflector gain                       W2TQK                50  Jul 75
Parabolic reflector, 16-foot homebrew          WB6IOM                8  Aug 69
Parabolic reflectors, finding focal length     WA4WDL               57  Mar 74
of (HN)
Re-entrant cavity antenna for the vhf bands    W4FXE                12  May 81
Six-meter J-pole antenna                       K4SDY                48  Aug 68
Swr meter                                      W6VSV                 6  Oct 70
Transmission lines, uhf                        WA2VTR               36  May 71
True north, how to determine for antenna       K4DE                 38  Oct 80
orientation
True north, how to determine for antenna       Comments, N6QX,       7  Mar 81
orientation                                    K4DE
Two-meter antenna, simple (HN)                 W6BLZ                78  Aug 68
Two-meter mobile antennas                      W6BLZ                76  May 68
Using a 2-meter quarter-wave whip on 450 MHz   K1ZJH                92  May 81
(HN)
Vhf antenna switching without relays (HN)      K2ZSQ                77  Sep 68
VHF Yagi CAD on the C-64                       W4PFZ                70  Sep 86
VHF/UHF world                                  W1JR                 85  Dec 85
VHF/UHF world: optimized 2- and 6-meter Yagis  W1JR                 92  May 87
VHF/UHF world: optimized 2- and 6-meter Yagis  Short circuit        26  Jun 87
VHF/UHF world: optimized 2- and 6-meter Yagis  Short circuit        49  Jul 87
VHF/UHF world: optimized 2- and 6-meter Yagis  Short circuit        41  Aug 87
VHF/UHF world: optimized 2- and 6-meter Yagis  Short circuit        81  Sep 87
VHF/UHF world: reflector antennas, part1       W1JR                 51  Feb 86
VHF/UHF world: reflector antennas, part1       Short circuit        45  Apr 86
VHF/UHF world: reflector antennas, part2       W1JR                 68  Mar 86
VHF/UHF world: stacking antennas, part1        W1JR                129  Apr 85
VHF/UHF world: stacking antennas, part2        W1JR                 95  May 85
VHF/UHF world: VHF/UHF antennas and antenna    W1JR                 46  Feb 84
systems
VHF/UHF world: VHF/UHF antennas and antenna    Short circuit        54  Jan 86
systems
VHF/UHF world: Yagi facts and fallacies        W1JR                103  May 86
Weathering the elements at 10.4 GHz            WB6YVK               74  Aug 82
Yagi trigon reflector, Optimizing              WB3BGU               84  Jan 86
Yagi, a high-gain 70-cm                        W1JR                 75  Dec 86
Yagi, a high-gain 70-cm                        Short circuit        68  Feb 87

vhf and microwave - receivers and converters

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
10 GHz hybrid-tee mixer                        G3NRT                34  Oct 77
10-60MHz preamp, low-noise, low-cost           WA2GFP               65  May 81
1296 MHz, double-balanced mixers for           WA6UAM                8  Jul 75
1296-MHz converter, solid state                VK4ZT                 6  Nov 70
1296-MHz local-oscillator chain                WA2ZZF               42  Oct 78
1296-MHz low noise amplifier (Weekender)       WA9HUV               60  Nov 88
1296-MHz noise generator                       W3BSV                46  Aug 73
1296-MHz preamplifier                          WA6UAM               42  Oct 75
1296-MHz preamplifier, low-noise transistor    WA2VTR               50  Jun 71
1296-MHz preamplifier, low-noise transistor    Added note           65  Jan 72
                                               (letter)
1296-MHz preamplifiers, microstripline         WA6UAM               12  Apr 75
1296-MHz preamplifiers, microstripline         Comments, W2DU       68  Jan 76
1296-MHz rat-race balanced mixer               WA6UAM               33  Jul 77
1296-MHz ssb transceiver                       WA6UAM                8  Sep 74
144-432 MHz GaAs fet preamp                    JH1BRY               38  Nov 79
144-MHz converter (HN)                         K0VQY                71  Aug 70
144-MHz converter, high dynamic range          DJ2LR                55  Jul 77
144-MHz converters, choosing fats (HN)         K6JYO                70  Aug 69
144-MHz deluxe mosfet converter                WB2EGZ               41  Feb 71
144-MHz deluxe mosfet converter                Letter, W0LER        71  Oct 71
144-MHz deluxe mosfet converter                Short circuit        96  Dec 71
144-MHz etched-inductance bandpass filters     W5KHT                 6  Feb 71
and filter-preamplifiers
144-MHz fm receiver                            W9SEK                22  Sep 70
144-MHz fm receiver                            WA2GBF               42  Feb 72
144-MHz fm receiver                            Added notes          73  Jul 72
144-MHz fm receiver                            WA2GCF                6  Nov 72
144-MHz preamp, low-noise                      W1DTY                40  Apr 76
144-MHz preamp, super (HN)                     K6HCP                72  Oct 69
144-MHz preamplifier, improved                 WA2GCF               25  Mar 72
144-MHz preamplifier, low noise                W8BBB                36  Jun 74
144-MHz transverter using power fets           WB0BPI               10  Sep 76
2-Meter Converter with Q Multiplier            WA9HUV               33  Nov 89
2-meter monitor                                WA3ENK               64  Jul 88
2-meter synthesizer, frequency modulator for   K9LHA                68  Apr 81
2-meter transverter                            W6HPH                24  Jan 82
2-meter weather converter                      WA3EEC               87  Dec 83
220-MHz 9600-Baud Data Radio System for        W2DUC                67  Feb 89
Packet
220-MHz mosfet converter                       WB2EGZ               28  Jan 69
220-MHz mosfet converter                       Short circuit        76  Jul 69
220-mhz receiving adapter (Weekender)          K1ZJH                20  Apr 90
2304-MHz balanced mixer                        WA2ZZF               58  Oct 75
2304-MHz converter, solid-state                K2JNG, WA2LTM,       16  Mar 72
                                               WA2VTR
2304-MHz preamplifier, low-noise               WA2GFP               12  Feb 83
2304-MHz preamplifier, solid-state             WA2VTR               20  Aug 72
2304-MHz preamplifiers, narrow-band solid-     WA9HUV                6  Jul 74
state
28-30 MHz low-noise preamp                     W1JAA                48  Oct 75
30-MHz preamplifier, low-noise                 W1HR                 38  Oct 78
30-MHz preamplifier, low-noise                 Short circuit        94  Feb 79
3456-MHz Linear Transverter                    WA3JUF               68  Jan 89
432 MHz preamplifier and converter             WA2GCF               40  Jul 75
432- and 1296-MHz signalsource                 K6RIL                20  Sep 68
432-MHz converter                              N9KD                 74  Apr 79
432-MHz converter, low-noise                   K6JC                 34  Oct 70
432-MHz fet converter, low-noise               WA6SXC               18  May 68
432-MHz fet preamp (HN)                        W1DTY                66  Aug 69
432-MHz GaAs preamp                            JH1BRY               22  Apr 78
432-MHz preamplifier, low-noise                WB5LUA               26  Oct 78
432-MHz preamplifier, ultra low-noise          W1JAA                 8  Mar 75
435-MHz Low-noise GaAsFET Preamplifier         WA2FTK and K1JUL      9  Jul 89
50-MHz deluxe mosfet converter                 WB2EGZ               41  Feb 71
50-MHz etched-inductance bandpass filters      W5KHT                 6  Feb 71
and filter-preamplifiers
50-MHz preamplifier, Improved                  WA2GCF               46  Jan 73
Add fm to your receiver (weekender)            K3NXU                74  Mar 81
Audio filter, tunable, for weak-signal         K6HCP                28  Nov 75
communications
Calculating preamplifier gain from noise       N6TX                 30  Nov 77
figure measurements
Cavity filters, surplus, how to modify for     W4FXE                42  Feb 80
144 MHz
Cooled preamplifier for vhf-uhf reception      WA0RDX               36  Jul 72
Crystal-controlled vhf receivers, tuning aid   WA1FHB               69  Jul 80
for (HN)
Double-balanced mixers, circuit packaging for  WA6UAM               41  Sep 77
Easy Monitor Receiver for 2 Meters             WASSNZ               28  Apr 89
Fet converters for 50, 144, 220 and 432 MHz    W6AJF                20  Mar 68
Fm transceiver, remote synthesized for 2       WB4UPC               28  Jan 80
meters
GaAs FET performance and preamplifier          K8UR                 38  Mar 83
application
GaAs FET performance and preamplifier          Comments, KC0W       12  Jul 83
application
High Performance 2-Meter Transverter           W84EHS               68  Jul 89
Kenscan 74                                     WB7QYB               50  Jan 81
Kenscan 74                                     Short circuit        89  Jan 82
lnterdigital preamplifier and comb-line        W6KHT                 6  Aug 70
bandpass filter for vhf and uhf
Local oscillators, high stability for          WB3JZO               29  Nov 85
microwave receivers and other applications
Microwave amplifier design, solid state        WA6UAM               40  Oct 76
Microwave mixer, new                           WA0RDX               84  Oct 78
Modification of K9LHA 2-meter synthesizer      K9LHA                93  May 81
for 144-148 MHz coverage (HN)
Noise figure, sensitivity and dynamic range    W1DTY                 8  Oct 75
Noise figure, vhf, estimating                  WA9HUV               42  Jun 75
Overload problems with vhf converters,         W1OOP                53  Jan 73
solving
Preamplifier design, UHF, computer-aided       KB0O                 28  Oct 82
Preamplifiers, vhf low-noise                   WA2GFP               50  Dec 79
Receiver scanner, vhf                          K2LZG                22  Feb 73
Receiver, superregenerative, for vhf           WA5SNZ               22  Jul 73
Signal detection and communication in the      WB6IOM               16  Feb 69
presence of white noise
Signal generator for two and six meters        WA8OIK               54  Nov 69
Single-frequency conversion, vhf/uhf           W3FQJ                62  Apr 75
Six-meter mosfet converter                     WB2EGZ               22  Jun 68
Six-meter mosfet converter                     Short circuit        34  Aug 68
Synthesizer, genesis of a                      VE3FIT               38  Mar 81
TR-2500/2600 2-channel programming (HN)        K9MLD               128  Oct 85
Two-meter converter, 1.5-dB NF                 WA6SXC               14  Jul 68
Two-meter preamp, MM5000                       W4KAE                49  Oct 68
UHF GaAsFET Doubler, The Weekender:            WA9HUV               65  Apr 89
UHF local-oscillator chain                     N6TX                 27  Jul 79
Vhf converter performance, optimizing (HN)     K2ZSQ                18  Jul 68
Vhf receiver, general-purpose                  K1ZJH                16  Jul 78
Vhf/uhf preamplifier burnout (HN)              W1JR                 43  Nov 78
VHF/UHF world                                  W1JA                 54  Nov 85
VHF/UHF world: low noise receiver update -     W1JR                 72  Dec 87
part2
VHF/UHF world: low-noise GaAs FET technology   W1JR                 99  Dec 84
VHF/UHF world: VHF/UHF receivers               W1JR                 42  Mar 84
Weak-signal source, 144 and 432 MHz            K6JC                 58  Mar 70
Weak-signal source, stable, variable output    K6JYO                36  Sep 71
Yaesu's latest VHF/UHF receiver, add general   W6MGI                67  Oct 85
coverage
Yaesu's latest VHF/UHF receiver, add general   Short circuit        97  Oct 87
coverage

vhf and microwave - transmitters

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
1152- to 2304-MHz power doubler                WA9HUV               40  Dec 75
1270-MHz video-modulated power amplifier       W9ZIH                67  Jun 77
1296-MHz frequency tripler                     K4SUM, W4API         40  Sep 69
1296-MHz linear, high-power                    WB6IOM                6  Aug 68
1296-MHz linear, high-power                    Short circuit        54  Nov 68
1296-MHz power amplifier                       W2COH, W2CCY,        43  Mar 70
                                               W2OJ, W1IMU
1296-MHz ssb transceiver                       WA6UAM                8  Sep 74
1296-MHz transverter                           K6ZMW                10  Jul 77
144-and 432-MHz stripline amplifier/tripler    K2RIW                 6  Feb 70
144-MHz 10/80-watt amplifier                   WB9RMA               12  Feb 79
144-MHz fm transceiver, compact                W6AOI                36  Jan 74
144-MHz fm transmitter                         W6AJF                14  Jul 71
144-MHz fm transmitter                         W9SEK                 6  Apr 72
144-MHz fm transmitter, Sonobaby               WA0UZO                8  Oct 71
144-MHz fm transmitter, Sonobaby               Crystal deck for     26  Oct 72
                                               Sonobaby
144-MHz heterodyne transmitting mixers         K2ISP                 8  Apr 69
144-MHz heterodyne transmitting mixers         Correction           76  Sep 70
144-MHz linear                                 W4KAE                47  Jan 69
144-MHz linear, 2kW, design data for           W6UOV                 7  Mar 69
144-MHz low-drive kilowatt linear              W6HHN                26  Jul 70
144-MHz multimode transmitter                  K2ISP                28  Sep 70
144-MHz phase-modulated transmitter            W6AJF                18  Feb 70
144-MHz power amplifier, 10-watt solid-state   W1DTY                67  Jan 74
(HN)
144-MHz power amplifier, 80-watt, solid-state  Hatchett              6  Dec 73
144-MHz power amplifier, high performance      W6UOV                22  Aug 71
144-MHz power amplifiers, fm                   W4CGC                 6  Apr 73
144-MHz stripline kilowatt                     W2GN                 10  Oct 77
144-MHz transceiver, a-m                       K1AOB                55  Dec 71
144-MHz transmitting converter, solid-state    W6NBI                 6  Feb 74
ssb
144-MHz transmitting converter, solid-state    Short circuit        62  Dec 74
ssb
144-MHz transverter                            K1RAK                24  Feb 72
144-MHz two-kilowatt linear                    W6UOV, W6ZO, K6DC    26  Apr 70
2-meter synthesizer, frequency modulator for   K9LHA                68  Apr 81
220-MHz exciter                                WB6DJV               50  Nov 71
220-MHz power amplifier                        W6UOV                44  Dec 71
220-MHz rf power amplifier                     WB6DJV               44  Jan 71
220-MHz rf power amplifier, fm                 K7JUE                 6  Sep 73
2304-MHz power amplifier                       WA9HUV                8  Feb 75
2C39, water cooling                            K6MYC                30  Jun 69
432-MHz 100-watt solid-state power amplifier   WA7CNP               36  Sep 75
432-MHz amplifier, 2-kW                        W6SAI, W6NLZ          6  Sep 68
432-MHz exciter, solid-state                   W1OOP                38  Oct 69
432-MHz power amplifier using stripiine        W3HMU                10  Jun 77
techniques
432-MHz rf power amplifier                     K6JC                 40  Apr 70
432-MHz solid-state linear amplifier           WB6QXF               30  Aug 75
432-MHz ssb converter                          K6JC                 48  Jan 70
432-MHz ssb converter                          Short circuit        79  Jun 70
432-MHz ssb, practical approach                WA2FSQ                6  Jun 71
432-MHz stripline tripler                      K2RIW                 6  Feb 70
50-MHz 2 kW linear afnplifier                  W6UOV                16  Feb 71
50-MHz customized transverter                  K1RAK                12  Mar 71
50-MHz heterodyne transmitting mixer           K2ISP                 8  Apr 69
50-MHz heterodyne transmitting mixer           Correction           76  Sep 70
50-MHz kilowatt, inductively-tuned             K1DPP                 8  Sep 75
50-MHz linear amplifier                        K1RAK                38  Nov 71
50-MHz multimode transmitter                   K2ISP                28  Sep 70
50-MHz SSB exciter                             K1LOG                12  Oct 79
50-MHz transverter                             WA9IGU               44  Jul 69
6-meter amplifier                              W2GN                 72  Apr 83
6-meter amplifier                              Short circuit        97  Aug 83
Aligning vhf transmitters                      Allen                58  Sep 68
Amplifier, 2 meter, 40 watt                    WB4GCS               50  Oct 83
Amplifier, 432-MHz, 1500-watt                  W2GN                 40  Jul 85
AN/UPX-6 cavities, converting surplus          W6NBI                12  Mar 81
CMOS 2-meter synthesizer                       Short circuit        89  Jan 82
Converting the Swan 120 to two meters          K6RIL                 8  May 68
External anode tetrodes                        W6SAI                23  Jun 69
Fm transceiver, remote synthesized for 2       WB4UPC               28  Jan 80
meters
Heathkit Seneca As A 2-meter FM Amplifier      W3NNL                 8  Mar 89
Inductively-tuned tank circuit                 W6SAI                 6  Jul 70
Lighthouse tubes for uhf                       W6UOV                27  Jun 69
Linear amplifiers, solid-state vhf             AF8Z                 48  Jan 80
Low-noise phase-locked UHF VCO part 1: the     WA9HUV               33  Jul 86
noise problem
Low-noise phase-locked UHF VCO part 1: the     Short circuit         9  Dec 86
noise problem
Low-noise phase-locked UHF VCO part 2:         WA9HUV               25  Aug 86
construction and testing
Modification of K9LHA 2-meter synthesizer      K9LHA                93  May 81
for 144-148 MHz coverage (HN)
Pi networks, series-tuned                      W2EGH                42  Oct 71
Signal Source for 903 MHz, The weekender:      N6JH                 88  Jan 89
Six-meter transmitter, solid-state             WB2EGZ                6  Oct 68
Six-meter transverter                          K8DOC, K8TVP         44  Dec 68
Six-meter tunnel diode phone rig (HN)          K2ZSQ                74  Jul 68
Solid-state power for 1296 MHz                 N6JH                 30  Feb 81
Ssb input source for vhf, uhf transverters     F8MK                 69  Sep 70
(HN)
Synthesizer, genesis of a                      VE3FIT               38  Mar 81
Temperature control, automatic                 WB5IRI               75  Jun 85
TR-2500/2600 2-channel programming (HN)        K9MLD               128  Oct 85
Transistors for vhf transmitters (HN)          W1OOP                74  Sep 69
VCO, 1800-2600 MHz                             W0DTV                21  Jul 85
Vhf linear, 2 kW, design data for              W6UOV                 7  Mar 69
VHF/UHF world: medium power amplifiers         W1JR                 39  Aug 85
VHF/UHF world: VHF/UHF exciters                W1JR                 84  Apr 84
VHF/UHF world: VHF/UHF exciters                Short circuit        60  Oct 84
Water-cooled 2C39 (HN)                         WA9RPB               94  Sep 77
Weaver modulation, 2-meter transmitter         N1COX                12  Jul 85
X-band beacons                                 WA6EJO               29  Jan 87

vhf and microwave - microwave techniques

Title                                          Author             Page  Issue
-----                                          ------             ----  -----
Designing a station for the microwave bands:   N6GN                 41  Feb 88
part 1
Designing a station for the microwave bands:   N6GN                 19  Jun 88
part 2
Designing a station for the microwave bands:   Short circuit:       35  Oct 88
part 2
Designing a station for the microwave bands:   N6GN                 17  Oct 88
part 3
Inexpensive Multi-megabaud Microwave Data      N6GN                  9  Dec 89
Link
Microwaves                                     KA1GT                20  Feb 90
Microwaves: feedback                           KA1GT                18  May 90
Microwaves: laser communication systems        KA1GT                18  Mar 90
Microwaves: microwave basics                   KA1GT                22  Jun 90
Microwaves: optical receiver                   KA1GT                14  Apr 90
Radial line stub design                        N1BEP                65  Feb 88
VHF/UHF world: microwave components and        W1JR                 71  Mar 88
terminology- part 1
VHF/UHF world: microwave components and        W1JR                 67  Apr 88
terminology- part 2
Waveguide Flange Drilling Guide                WA4WDL               53  Jul 89

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