direction finder

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.

direction finder

(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

direc′tion find`er

a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves.

[1910–15]

direc′tion find`ing, n.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

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

receiver, receiving system - set that receives radio or tv signals

Translations

radiogoniometro

direction finder

[dɪˌrɛkʃənˈfaɪndəʳ] n → radiogoniometro

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

Mentioned in

References in periodicals archive

[1] Hong-Sun Yang and , Soon-Yong Chun, "Improvement of the accuracy for direction finder using measurement of polarization," IEIE SUMMER CONFERNCE 2014, pp.

Bearing accuracy improvement of the amplitude comparison direction finding equipment by analyzing the error

The selected Rockwell Collins baseline avionics package also includes Automatic Direction Finder, Distance Measuring Equipment, High Speed Data Radio, Very High Frequency Transceiver and Omnidirectional Radio.

Company Watch - Rockwell Collins

A comprehensive study was performed to investigate the performance of wideband non-uniform circular array interferometer in a real time 3D direction finder. A generalized regression neural network was chosen to map the phase relationships between antennas to DoA.

Comprehensive study of non-uniform circular array interferometer in a real time broadband 3-dimensional direction finder (2-12 GHz)

There is a specific mention of a magnetic direction finder - a compass - around 1040.

A few pointers; Maritime Tales by Stephen Guy of Merseyside Maritime Museum

It works the same as the company's direction finder for traveling by car or public transit.

A PRETTY PATH

The full vessel traffic control system room will have a sophisticated maritime automatic Radio Identification System (AIS), state-of-the-art Direction Finder (DF) and CCTVs.

New cruise terminal opened

"It is also faster, can carry four crew members instead of just three like the previous boat and has a combined radar and chart plotter, as well as a radio direction finder previously only found on all-weather lifeboats, to help in poor weather conditions.

Lifeboat will get crews to the rescue faster; Fundraisers from English county paid for new craft

Every one of those planes had a radio and a direction finder. I find it almost impossible to believe that none of them could figure out where he was.

Triangle pulls on imagination

They use a specialized version, the venerable Si-Tex 525 ADF (Automatic Direction Finder), to track VHF transmissions from skippers who are on the fish, but stingy with the information.

Find yourself: RDF/ADFs useful for safety--and spying

The third part of the system is the direction finder on board the RHIBs.

Man overboard device saves Sailors' lives