radio direction finder


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Related to radio direction finder: Radio direction finding

radio direction finder

[′rād·ē·ō di′rek·shən ‚fīn·dər]
(navigation)
A radio aid to navigation that uses a rotatable loop or other highly directional antenna arrangement to determine the direction of arrival of a radio signal. Abbreviated RDF. Also known as direction finder.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Radio Direction Finders (RDFs) were once the primary method for ships and aircraft to navigate; most of us have seen pictures of World War II airplanes with the familiar loop antenna projecting out of the fuselage, ready to direct the fighter or bomber home after a mission.
With several decades of experience, Thales Communications is developing and producing all the systems required for communication electronic warfare, This expertise applies to intelligence systems processing information from electromagnetic, strategic and tactical sources, and to electronic combat systems, electronic warfare command centers, receivers, radio direction finders, technical analysis systems, jammers, antennas, etc.
A wide range of systems was accepted for this sampling, from traditional radio direction finders to personal navigational aids.

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