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
- In and out — Checking into a net without staying.
- Hunter — Someone chasing park activators.
- Activator — Someone operating from a park or summit.
- Contest — A competitive operating event.
- Repeater — A relay station, usually up high.
- ARRL — The national association for amateur radio in the US.
- Grid square — Your location as a short code.
- Mobile — Operating from a vehicle.