We don't have synonyms for call signs yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are call sign, callsign and call signal.
(n) :
(broadcasting) A combination of letters and numbers used to identify a radio or television station.
(n) :
(military) 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.
(n) :
(broadcasting) A combination of letters and numbers used to identify a radio or television station.
(n) :
(military) 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.