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
- Pileup — Everybody calling one station at once.
- Park reference — The code that identifies a POTA park.
- VE — Volunteer Examiner.
- In and out — Checking into a net without staying.
- Activator — Someone operating from a park or summit.
- Portable — Operating away from home.
- Mobile — Operating from a vehicle.
- ARRL — The national association for amateur radio in the US.