| Category (CatID) |
Article |
Author |
Page |
Issue |
| vhf and microwave - transmitters(31.4) | 144-MHz fm transmitter, Sonobaby | WA0UZO | 8 | Oct 71 |
| fm and repeaters(9) | Fm transmitter, Sonobaby, 2 meter | WA0UZO | 8 | Oct 71 |
| transmitters and power amplifiers - vhf and uhf transmitters(29.3) | 144-MHz fm transmitter, Sonobaby | WA0UZO | 8 | Oct 71 |
| measurements and test equipment(13) | Capacitance meter, direct reading, for electrolytics | W9DJZ | 14 | Oct 71 |
| receivers and converters - general(22.1) | CW processor for communications receivers | W6NRW | 17 | Oct 71 |
| antennas and transmission lines - towers and rotators(1.5) | Stress analysis of antenna systems | W2FZJ | 23 | Oct 71 |
| miscellaneous technical(15) | Stress analysis of antenna systems | W2FZJ | 23 | Oct 71 |
| measurements and test equipment(13) | RTTY monitor scope, solid-state | WB2MPZ | 33 | Oct 71 |
| RTTY(23) | Monitor scope, RTTY, solid-state | WB2MPZ | 33 | Oct 71 |
| miscellaneous technical(15) | Resistor performance at high frequencies | K1ORV | 36 | Oct 71 |
| antennas and transmission lines - high-frequency antennas(1.2) | Inverted-vee antenna, modified | W2KTW | 40 | Oct 71 |
| vhf and microwave - transmitters(31.4) | Pi networks, series-tuned | W2EGH | 42 | Oct 71 |
| miscellaneous technical(15) | Pi networks, series-tuned | W2EGH | 42 | Oct 71 |
| transmitters and power amplifiers - general(29.1) | Pi networks, series tuned | W2EGH | 42 | Oct 71 |
| antennas and transmission lines - general(1.1) | Power in reflected waves | Woods | 49 | Oct 71 |
| measurements and test equipment(13) | Swr bridge | WB2ZSH | 55 | Oct 71 |
| antennas and transmission lines - matching and tuning(1.4) | Swr bridge | WB2ZSH | 55 | Oct 71 |
| novice reading(16) | Swr bridge | WB2ZSH | 55 | Oct 71 |
| miscellaneous technical(15) | Phase-locked loops, IC, experiments with | W3FQJ | 58 | Oct 71 |
| integrated circuits(11) | Phase-locked loops, IC, experiments with | W3FQJ | 58 | Oct 71 |
| single sideband(26) | Switching and linear amplification | W3FQJ | 61 | Oct 71 |
| single sideband(26) | Balanced modulators, dual fet | W3FQJ | 63 | Oct 71 |
| receivers and converters - high-frequency receivers(22.2) | Receiving RTTY with Heath SB receivers (HN) | K9HVW | 64 | Oct 71 |
| RTTY(23) | RTTY reception with Heath SB receivers (HN) | K9HVW | 64 | Oct 71 |
| commercial equipment(3) | Collins 32S-3 audio (HN) | K6KA | 64 | Oct 71 |
| commercial equipment(3) | Heath SB receivers, RTTY reception with (HN) | K9HVW | 64 | Oct 71 |
| measurements and test equipment(13) | Dynamic transistor tester (HN) | VE7ABK | 65 | Oct 71 |
| semiconductors(25) | Dynamic transistor tester (HN) | VE7ABK | 65 | Oct 71 |
| keying and control(12) | Morse sounder, radio controlled (HN) | K6QEQ | 66 | Oct 71 |
| construction techniques(5) | Drill guide (HN) | W5BVF | 68 | Oct 71 |
| single sideband(26) | Linear amplifier performance, improving | W4PSJ | 68 | Oct 71 |
| transmitters and power amplifiers - high-frequency transmitters(29.2) | Linear amplifier performance, improving | W4PSJ | 68 | Oct 71 |
| antennas and transmission lines - vhf antennas(1.3) | Collinear antenna (letter) | W6SAI | 70 | Oct 71 |
| vhf and microwave - receivers and converters(31.3) | 144-MHz deluxe mosfet converter | Letter, W0LER | 71 | Oct 71 |
| receivers and converters - vhf receivers and converters(22.3) | 144-MHz converter (letter) | W0LER | 71 | Oct 71 |