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call-sign ['kɔ:l,saɪn]
tech.	Rufzeichen n; Sendezeichen n
telegr.	Stationskennung f; Teilnehmerkennung f
call sign
gen.	Anrufsignal n; Sendezeichen n
commun.	Rufzeichen n; Rufname m
comp.	Meldeanrufzeichen n; Rufsignal n
comp., MS	Senderkürzel n (The identifying code letters or numbers of a radio or television transmitting station, assigned by a regulatory body)
English thesaurus
call sign
mil., logist.	Any combination of characters or pronounceable words, which identifies one or more communication facility, a command, an authority, an organization, or a unit; used primarily for establishing and maintaining communications. (FRA)
USA	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 (JP 3-50)

call-sign: 10 phrases in 2 subjects

Communications	9
General	1