hr index - vhf and microwave - general

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10-GHz cross-guide coupler WB2ZKW 66 Oct 79 +
10-GHz Gunnplexer transceivers, construction and practice Feature 26 Jan 79 +
10-GHz Gunnplexer transceivers, construction and practice Comments, W6OAL 6 Sep 79 +
10-GHz oscillator, ultra stable K8UR 57 Jun 83 +
1296-MHz double-stub tuner K6LK 70 Dec 78 +
1296-MHz microstrip filter, improved grounding for N6TX 60 Aug 78 +
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 characteristics WB6KAP 18 Nov 74 +
ATV power amplifier, fast-scan WB0ZJP 67 Mar 85 +
Audio to microwave amplifier, build your own Gruchalla, Michael 12 Mar 84 +
Band change from six to two meters, quick K0YQY 64 Feb 70
Bandpass filter design, interdigital, computer-aided N6JH, Monemzadeh 12 Jan 85 +
Bandpass filter design, interdigital, computer-aided Short circuit 117 Jun 85 +
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 144 MHz W4FXE 42 Feb 80 +
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 VHF transceivers KD8KZ and WB3JCC 79 Mar 86 +
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 versatility using the W4FXE 22 Dec 80 +
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 propagation K2OVS 26 Sep 71
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 for your car) (weekender) KB2XM 64 Jul 81 +
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 range of (HN) K9LHA 52 Dec 81 +
Klystron cooler, waveguide (HN) WA4WDL 74 Oct 74 +
L-band ground wave propagation program WA9GFR and Joseph R. Hennel 103 Jan 86 +
L-band local oscillators N6TX 40 Dec 79 +
Local oscillators, high stability for microwave receivers and other applications WB3JZO 29 Nov 85 +
Low Cost Battery Pack for Your Kenwood TH-25AT Handheld KE6WF 40 Nov 89 +
Lunar-path nomograph WA6NCT 28 Oct 70
Measuring noise figure K2BLA 26 Jan 84 +
Micros and VHF beacons transmit messages automatically K9EI 51 Jul 85 +
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 for K6HIJ 54 Sep 69
Microwave frequency doubler WA4WDL 69 Mar 76 +
Microwave hybrids and couplers for amateur use W2CTK 57 Jul 70
Microwave hybrids and couplers for amateur use Short circuit 72 Dec 70
Microwave marker generator, 3cm band (HN) WA4WDL 69 Jun 76 +
Microwave network for multimode communications K4TWJ 36 Aug 82 +
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, WA6UAM 98 Sep 77 +
Microwave systems, first building blocks for WA2GFP 52 Dec 80 +
Microwave-frequency converter for vhf counters KA9BYI 40 Jul 80 +
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 902 MHz N6JH 17 Mar 87 +
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 generators, using (HN) K2ZSQ 79 Aug 68
Noise figure, meaning of K6MIO 26 Mar 69
Novice enhancement and the 220 MHz band, Reflections: W9JUV 4 Apr 87 +
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 Peters, D. 12 Jan 84 +
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 ovens VE5FP 44 Jan 70 +
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 (letter) 73 Apr 73 +
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, The Weekender VE2HOT 17 Jun 89 +
Spectrum analyzer microwave N6TX 34 Jul 78 +
Spectrum analyzer, microwave WA6UAM 54 Aug 77 +
Sporadic E and 50-MHz transatlantic propagation during 1987 G3NAQ 10 Jul 88 +
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 (HN) G3IPV 91 May 77 +
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 (p. 87, July 86) 9 Aug 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 Yagis W1JR 56 Sep 85 +
VHF/UHF World: DX Records on 50 MHz and Above W1JR 48 Jan 89 +
VHF/UHF World: DX Records on 50 MHz and Above- pt 2 W1JR 42 Feb 89 +
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 communications W1JR 82 Jun 84 +
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 update W1JR 63 Jan 87 +
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-meter EME - part1 W1JR 39 Aug 87 +
VHF/UHF world: minimum requirements for 2-meter EME - part1 Comments, W7WRO 9 Dec 87 +
VHF/UHF world: minimum requirements for 2-meter EME - part2 W1JR 65 Sep 87 +
VHF/UHF world: operating a VHF/UHF microwave station W1JR 38 Jul 87 +
VHF/UHF world: operating a VHF/UHF microwave station Short circuit 81 Sep 87 +
VHF/UHF world: operating a VHF/UHF microwave station Short circuit 97 Oct 87 +
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 introduction to filters W1JR 112 Aug 84 +
VHF/UHF world: the VHF/UHF primer, an introduction to propagation W1JR 14 Jul 84 +
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, part2 W1JR 69 Aug 86 +
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 (weekender) W3RW 36 Jan 82 +
X-band calibrator WA6EJO 44 Apr 81 +
X-band mixer, low noise N5AX 22 Jan 83 +


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