| Category (CatID) |
Article |
Author |
Page |
Issue |
| antennas and transmission lines - high-frequency antennas(1.2) | Ground plane, three-band | LA1EI | 6 | May 72 |
| antennas and transmission lines - vhf antennas(1.3) | Collinear antenna for two meters, nine-element | W6RJO | 12 | May 72 |
| fm and repeaters(9) | Collinear antenna for two meters, nine-element | W6RJO | 12 | May 72 |
| vhf and microwave - antennas(31.2) | 144-MHz collinear antenna | W6RJO | 12 | May 72 |
| antennas and transmission lines - high-frequency antennas(1.2) | Vertical dipole, gamma-loop-fed | W6SAI | 19 | May 72 |
| vhf and microwave - antennas(31.2) | 1296-MHz Yagi | W2CQH | 24 | May 72 |
| antennas and transmission lines - vhf antennas(1.3) | Yagi, 1296-MHz | W2CQH | 24 | May 72 |
| measurements and test equipment(13) | Swr meters, direct reading and expanded scale | WA4WDK | 28 | May 72 |
| antennas and transmission lines - high-frequency antennas(1.2) | All-band phased-vertical | WA7GXO | 32 | May 72 |
| novice reading(16) | Antenna, multiband phased vertical | WA7GXO | 33 | May 72 |
| antennas and transmission lines - high-frequency antennas(1.2) | Small-loop antennas | W4YOT | 36 | May 72 |
| antennas and transmission lines - matching and tuning(1.4) | Antenna coupler for three-band beams | ZS6BT | 42 | May 72 |
| antennas and transmission lines - matching and tuning(1.4) | Mobile transmitter, loading | W4YB | 46 | May 72 |
| measurements and test equipment(13) | Coaxial-line loss, measuring with a reflectometer | W2VCI | 50 | May 72 |
| antennas and transmission lines - transmission lines(1.6) | Coaxial-line loss, measuring with reflectometer | W2VCI | 50 | May 72 |
| antennas and transmission lines - high-frequency antennas(1.2) | Antenna potpourri | W3FQJ | 54 | May 72 |
| antennas and transmission lines - high-frequency antennas(1.2) | Triangle antennas | W6KIW | 58 | May 72 |
| antennas and transmission lines - general(1.1) | Grounding, safer (letter) | WA5KTC | 59 | May 72 |
| receivers and converters - general(22.1) | Threshold-gate/limiter for CW reception | Added notes (letter) W2ELV | 59 | May 72 |
| RTTY(23) | Phase-locked loop RTTY terminal unit | Correction | 60 | May 72 |
| miscellaneous technical(15) | Eliminating the matrix | KH6AP | 60 | May 72 |
| RTTY(23) | Terminal unit, phase-locked loop | Correction | 60 | May 72 |
| receivers and converters - general(22.1) | Radiotelegraph translator and transcriber | Eliminating the matrix KH6AP | 60 | May 72 |
| audio(2) | Tape head cleaners (letter) | K4MSG | 62 | May 72 |
| miscellaneous technical(15) | Freon danger (letter) | WA5RTB | 63 | May 72 |
| miscellaneous technical(15) | lnductors, how to use ferrite and powdered-iron for | Correction | 63 | May 72 |
| antennas and transmission lines - high-frequency antennas(1.2) | Curtain antenna (HN) | W4ATE | 66 | May 72 |
| measurements and test equipment(13) | Swr bridge (HN) | WA5TFK | 66 | May 72 |
| construction techniques(5) | Soldering aluminum (HN) | ZE6JP | 67 | May 72 |
| commercial equipment(3) | Alliance rotator improvement (HN) | K6JVE | 68 | May 72 |