radio compass

radio compass

noun
a radio receiver with a directional antenna for determining the bearing of the receiver from a radio transmitter.

Origin:
1915–20

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World English Dictionary
radio compass
 
n
See also goniometer any navigational device that gives a bearing by determining the direction of incoming radio waves transmitted from a particular radio station or beacon

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Britannica
Encyclopedia

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.

Learn more about radio compass with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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