| article | author | page | issue | |
| Receiver alignment | Allen | 64 | Jun 68 | |
| Rf and i-f amplifiers, troubleshooting | Allen | 60 | Sep 70 | + |
| Signal injection in ham receivers | Allen | 72 | May 68 | |
| Signal tracing in ham receivers | Allen | 52 | Apr 68 | |
| Weak-signal source, 144 and 432 MHz | K6JC | 58 | Mar 70 | + |
| Weak-signal source, variable-output | K6JYO | 36 | Sep 71 |