call sign(redirected from call signals)
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See call letters.
(Broadcasting) a group of letters and numbers identifying a radio transmitting station, esp an amateur radio station. Compare call letters
letters of the alphabet or letters and numbers used esp. for identifying a radio or television station.
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. See also collective call sign; indefinite call sign; international call sign; net call sign; tactical call sign; visual call sign; voice call sign.