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| English thesaurus |
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| avia., Canada |
In radar operations, the reception and visual display of radar echoes caused by precipitation, chaff, terrain, numerous aircraft, or other phenomena. Such echoes may limit or preclude ATC from providing services based on radar. |
| mil., logist. |
Unwanted signals, echoes, or images on the face of the display tube, which interfere with observation of desired signals. (FRA) |
