communications zone indicator

communications zone indicator

[kə‚myü·nə′kā·shənz ‚zōn ′in·də‚kād·ər]
(electronics)
Device to indicate whether or not long-distance high-frequency broadcasts are successfully reaching their destinations.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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