The digital version of the January issue of QST is now available to ARRL members.
In this issue . . .
- Build HF amplifiers from discarded microwave ovens
- Display aircraft telemetry with your own software-defined “radar”
- Homebrew an azimuth/elevation antenna rotator
- Add a modern keyed VFO to your vintage rig
…and much more!
Enjoy content you won’t see in the print edition . . .
- Watch a video overvi…
American Radio Relay League | Ham Radio Association and Resources