| article | 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 oscillator (letter) | 59 | Dec 74 | + |
| 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 RTTY | W5NPO | 50 | Sep 71 | |
| Automatic frequency control for receiving RTTY | Added note (letter) | 66 | Jan 72 | |
| 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 line-feed generator (HN) | K4EEU | 71 | Sep 74 | + |
| 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 (letter) | 58 | Nov 74 | + |
| 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, WB4KUR | 24 | Mar 76 | + |
| DT-500 demodulator | Short circuit | 85 | Oct 76 | + |
| DT-600 demodulator | K9HVW, K4OAH, WB4KUR | 8 | Feb 76 | + |
| 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, KB9AT | 6 | Oct 79 | + |
| Duplex audio-frequency generator with AFSK features | WB6AFT | 66 | Sep 79 | + |
| Electronic speed conversion for RTTY teleprinters | WA6JYJ | 36 | Dec 71 | + |
| Electronic speed conversion for RTTY teleprinters | Printed circuit for | 54 | Oct 72 | |
| 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 for (letter) | W6FFC | 69 | Jul 71 | |
| Mainline ST-6 RTTY demodulator, troubleshooting | W6FFC | 50 | Feb 71 | + |
| 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 as (HN) | K9HVW | 70 | Sep 74 | + |
| 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-frequency shift RTTY | K8SR | 62 | Dec 76 | + |
| 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 capacity of (HN) | F2ES | 86 | Oct 77 | + |
| 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 transformers (HN) | W6XM | 87 | Sep 84 | + |
| 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, K4EID | 10 | Jun 78 | + |
| 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, WA3PLC | 8 | Mar 82 | + |
| SSB transmitters, FSK adapter for | Comments WB5DPZ, N1AL | 8 | Oct 82 | + |
| 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 terminal unit (HN) | WA6TLA | 60 | Jul 74 | + |
| XK2C AFSK generator, the | W3HVK | 58 | Nov 80 | + |