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to phrases
selective calling system
commun., transp., polit.
sistema di chiamata selettiva
English thesaurus
selective calling system
avia., Canada
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
:
2 phrases
in 1 subject
Communications
2
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