| a radio receiver with a directional antenna for determining the bearing of the receiver from a radio transmitter. |
| radio compass n. A navigational aid consisting of an automatic radio receiver and a directional antenna that determine the transmission direction of incoming radio waves. |
radio compass
radio receiver and directional antenna system used to determine the direction of the source of a signal. It most often refers to a device used to check the position of a ship or aircraft, although it may also direct a craft's course or be used for military or investigative purposes.
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