| Category (CatID) |
Article |
Author |
Page |
Issue |
| fm and repeaters(9) | Power amplifier, rf, 144-MHz fm | W4CGC | 6 | Apr 73 |
| vhf and microwave - transmitters(31.4) | 144-MHz power amplifiers, fm | W4CGC | 6 | Apr 73 |
| transmitters and power amplifiers - vhf and uhf transmitters(29.3) | 144-MHz power amplifiers, solid state | W4CGC | 6 | Apr 73 |
| antennas and transmission lines - high-frequency antennas(1.2) | Vertical radiators | W4OQ | 16 | Apr 73 |
| single sideband(26) | Ssb generator, phasing-type | W7CMJ | 22 | Apr 73 |
| antennas and transmission lines - matching and tuning(1.4) | Phase meter, rf | VE2AYU, Korth | 28 | Apr 73 |
| measurements and test equipment(13) | Phase meter, rf | VE2AYU, Korth | 28 | Apr 73 |
| measurements and test equipment(13) | Rf detector, sensitive | WB9DNI | 38 | Apr 73 |
| vhf and microwave - general(31.1) | Indicator, sensitive rf | WB9DNI | 38 | Apr 73 |
| fm and repeaters(9) | Indicator, sensitive rf | WB9DNI | 38 | Apr 73 |
| novice reading(16) | Receiver, regenerative for WWV | WA5SNZ | 42 | Apr 73 |
| receivers and converters - high-frequency receivers(22.2) | WWV receiver, regenerative | WA5SNZ | 42 | Apr 73 |
| measurements and test equipment(13) | WWV receiver, simple regenerative | WA5SNZ | 42 | Apr 73 |
| features and fiction(7) | First wireless in Alaska | W6BLZ | 48 | Apr 73 |
| novice reading(16) | Morse code, speed standards for | VE2ZK | 58 | Apr 73 |
| novice reading(16) | Printed-circuit boards, how to make your own | K4EEU | 58 | Apr 73 |
| construction techniques(5) | Printed-circuit boards, how to make | K4EEU | 58 | Apr 73 |
| operating(17) | Morse code, speed standards for | VE2ZK | 68 | Apr 73 |
| vhf and microwave - antennas(31.2) | 144-MHz whip, 5/8-wave (HN) | VE3DDD | 70 | Apr 73 |
| antennas and transmission lines - vhf antennas(1.3) | Whip, 5/8-wave, 144-MHz (HN) | VE3DDD | 70 | Apr 73 |
| fm and repeaters(9) | Whip, 5/8-wave, 144 MHz (HN) | VE3DDD | 70 | Apr 73 |
| single sideband(26) | Detector, ssb, IC (HN) | Correction | 72 | Apr 73 |
| integrated circuits(11) | Ssb detector, IC (HN) | Correction (letter) | 72 | Apr 73 |
| fm and repeaters(9) | Mobile operation with the Touch-Tone pad | Modification (letter) | 72 | Apr 73 |
| miscellaneous technical(15) | Satellite communications, first step to | Added notes (letter) | 73 | Apr 73 |
| television(28) | Sync generator, sstv (letter) | W1IA | 73 | Apr 73 |
| vhf and microwave - general(31.1) | Satellite communications | Added notes (letter) | 73 | Apr 73 |
| satellites(24) | Communications, first step to satellite | Added notes (letter) | 73 | Apr 73 |