Definition of callsign Callsign
We found 2 definitions of callsign from 1 different sources.
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What does callsign mean?
Wiktionary 
- callsign (Noun)
Alternative spelling of call sign.
Wiktionary
- call sign (Noun)
A combination of letters and numbers used to identify a radio or television station. - call sign (Noun)
Any combination of characters or pronounceable words, which identifies a communication facility, a command, an authority, an activity, or a unit; used primarily for establishing and maintaining communications. Also called CS.
