RST — The signal report system.
Readability, Strength, and Tone. On voice you only give the first two numbers, because tone applies only to Morse code. "Five nine" means perfectly readable and very strong.
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Related words
- Mobile — Operating from a vehicle.
- SOTA — Summits on the Air.
- Net — A scheduled on-air gathering.
- Park reference — The code that identifies a POTA park.
- ARRL — The national association for amateur radio in the US.
- CQ — Calling anyone who is listening.
- Pileup — Everybody calling one station at once.
- POTA — Parks on the Air.