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phrases

selective calling system

contraintes
aviat. система избирательного вызова (на связь.)
aéron. система избирательного вызова (на связь)
espac. система избирательного вызова
 Anglais glossaire
selective calling system
aviat., canad. 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 phrases, 2 sujets
Communications2
Médias de masse1

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