direction finder(redirected from Radio direction finder)
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Related to Radio direction finder: Radio direction finding
A device for determining the source of a transmitted signal, consisting mainly of a radio receiver and a coiled rotating antenna.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Navigation) a highly directional aerial system that can be used to determine the direction of incoming radio signals, used esp as a navigation aid. Abbreviation: D/F or DF
direction finding n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves.
direc′tion find`ing, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||direction finder - radio; determines the direction of incoming radio waves|
goniometer - direction finder that determines the angular direction of incoming radio signals
radio compass - a direction finder that gives a bearing by determining the direction of incoming radio signals
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