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nondirectional antenna[¦nän·di′rek·shən·əl an′ten·ə]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A radio antenna that receives or transmits signals from all directions with equal strength.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved