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Accu-keyer speed readout | K5MAT | 60 | Sep 79 | + |
Accu-Mill, keyboard interface for the Accu-Keyer | WN9OVY | 26 | Sep 76 | + |
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-block keyed transmitters (HN) | K4GMR | 100 | Sep 78 | + |
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-stereo technique | WA1MKP | 61 | Oct 74 | + |
CW regenerator for interference-free communications | Leward, WB2EAX | 54 | Apr 74 | + |
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 (letter) | 58 | Dec 74 | + |
Electronic keyer with random-access memory | Increased flexibility (HN) | 62 | Mar 75 | + |
Electronic keyer with random-access memory | Corrections (letter) | 57 | Jun 75 | + |
Electronic keyer with random-access memory | Improvements (letter) | 76 | Feb 77 | + |
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 identifier (HN) | KL7XO | 82 | Sep 87 | + |
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 electronic keyers | WA9LUD | 24 | Aug 75 | + |
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 automatically | K9EI | 51 | Jul 85 | + |
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 mastering the | W1KZ | 80 | Apr 84 | + |
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 (HN) | K9WGN/W0USL | 81 | Aug 78 | + |
Programmable keyer, Autek MK-1, expanded memory for | N9AKT | 58 | Jan 80 | + |
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-processor-controlled CW keyboard, using (HN) | VE7ZV | 72 | Oct 80 | + |
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 successful remote base | WA6EJO | 48 | Sep 86 | + |
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 relays | N6RY | 71 | Dec 80 | + |
Transistor switching for electronic keyers (HN) | W3QBO | 66 | Jun 74 | + |
Transmit/receive switch PIN diode | W9KHC | 10 | May 76 | + |
Transmitter switching, solid-state | W2EEY | 44 | Jun 68 | |
Typewriter-type electronic keys, further automation for | W6PRO | 26 | Mar 70 | + |
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 (weekender) | WA1OEH | 50 | Apr 82 | + |