omnidirectional antenna
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omnidirectional antenna
[¦äm·nə·di′rek·shən·əl an′ten·ə] (electromagnetism)
An antenna that has an essentially circular radiation pattern in azimuth and a directional pattern in elevation. Also known as nondirectional antenna.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.