D/F or DFabbreviation for1. (Telecommunications) direction finder2. (Telecommunications) direction findingCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014D/F or DF, 1. direction finder. 2. direction finding. D.F. Doctor of Forestry. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
D/F
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DFabbr.1. Latin Defensor Fidei (Defender of the Faith)2. direction finderAmerican 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.DF abbreviation for (Heraldry) Defender of the Faith Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014D/F or DF, 1. direction finder. 2. direction finding. D.F. Doctor of Forestry. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.