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automatic direction finder
 automatic direction finder abbr.
commun. el. radiogoniómetro automático
 | loop
 loop abbr.
chem. laço
comp., MS ciclo; repetir; repetir continuamente
comp., MS Braz. loop; executar um loop
el. anel de acoplamento
industr. construct. anel; formar anéis
med. ciclo

automatic direction finder

commun., el. radiogoniómetro automático
nat.sc., transp. radiogoniometro naval
 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.

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