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radar silence[′rā‚där ‚sī·ləns]
A period of time during which radar transmission is stopped, generally for security reasons.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
An imposed restriction that prohibits the transmission by radar of electromagnetic signals on some or all frequencies completely or for a period of time. This is to ensure that the enemy does not detect the presence of the transmitting station or its frequencies.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved