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selective calling system

komun., transp., polit. système d'appel sélectif
 Angielski tezaurus
selective calling system
lotn. A system that provides an automatic and selective method of calling any aircraft. Voice calling is replaced by the transmission of code tones to the aircraft over the international radiotelephony channels. This system is installed on all international frequencies at Canadian stations.
selective calling system
: 3 do fraz, 1 tematyki
Komunikacja3

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