| RADAR | measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects |
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| RADAR | a device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position |
| RADAR | a housing for a radar antenna |
| RADAR | an electronic signal that has been reflected back to the radar antenna |
| RADAR | gunfire aimed a target that is being tracked by radar |
| RADAR | a radar echo displayed so as to show the position of a reflecting surface |