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radar beacon
noun
- a radar device at a fixed location that, on receiving a radar signal, automatically transmits a particular radar signal in reply, identifying itself and enabling navigators of ships and aircraft to determine their distance and direction from it.
radar beacon
noun
- a device for transmitting a coded radar signal in response to a signal from an aircraft or ship. The coded signal is then used by the navigator to determine his position Also calledracon
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Word History and Origins
Origin of radar beacon1
First recorded in 1940–45
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Example Sentences
Military radar on the ground showed the plane turning west after its transponder — the radar beacon that identifies the plane and its location — stopped transmitting for some unknown reason.
From Washington Post
The transponder — the radar beacon that identifies a plane and its location — stopped transmitting.
From Washington Post
The plane, she explains, will take off into the wind to give lift, then turn down towards the radar beacon at Seaford.
From The Guardian
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