DirectionFinder

urn:aero:airm:1.0.0:ConceptualModel:Subjects:BaseInfrastructure:NavigationInfrastructure:DirectionFinder

An electronic device used to determine the position of a radio source by means of directional antennas, which receives the strongest radio signal when it is pointing directly at the transmitter.

Source: EUROCONTROL-FAA AIXM v.5.1,
Abbreviations: DF