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phrases

automatic direction finder

aviat., canad. radiocompas automatique
comm., électr. radiogoniomètre automatique
sciences., transp. radio-compas automatique; radiogoniomètre de bord
transp. système ADF
transp., aviat. système radio compas automatique
téléc. radiocompas m
 Anglais glossaire
automatic direction finder
aviat., canad. An aircraft radio navigation system that senses and indicates the direction to a LF/MF non-directional beacon NDB ground transmitter. Direction is indicated to the pilot as a magnetic bearing or as a relative bearing to the longitudinal axis of the aircraft depending on the type of indicator installed in the aircraft. In certain applications, such as military, ADF operations may be based on airborne and ground transmitters in the VHF/UHF spectrum.
Automatic Direction Finder
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