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automatic direction finder
commun., el. radiogoniómetro automático
navig. radiogoniometro automático
tech. indicador automático de dirección; radiocompás m; radiolocalizador automático
 English thesaurus
automatic direction finder
avia., Canada 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: 8 phrases in 4 subjects
Communications4
Technology2
Transport1
United Nations1