direction finder

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direction finder

direction finder electronic device used to determine the position of a ship or aircraft. In a simple direction finder a radio receiver is equipped with a revolving directional antenna. The antenna receives the strongest radio signal when it is pointing directly at a transmitter. By determining the direction of two land-based transmitters, a navigator may plot his position by triangulation. Direction finders have been replaced in many applications with more accurate systems, such as radar and satellite navigation systems (see satellite, artificial ).

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"direction finder." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 29 Nov. 2009 <http://www.encyclopedia.com>.

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direction finder

The Oxford Essential Dictionary of the U.S. Military | 2001 | Â© The Oxford Essential Dictionary of the U.S. Military 2001, originally published by Oxford University Press 2001. (Hide copyright information) Copyright

direction finder a special radio receiver with a system of antennas for locating the source of radio signals, used as an aid to navigation.

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"direction finder." The Oxford Essential Dictionary of the U.S. Military. 2001. Encyclopedia.com. 29 Nov. 2009 <http://www.encyclopedia.com>.

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"direction finder." The Oxford Essential Dictionary of the U.S. Military. 2001. Retrieved November 29, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O63-directionfinder.html

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direction finder

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

di·rec·tion find·er • n. a special radio receiver with a system of antennas for locating the source of radio signals, used as an aid to navigation.

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Free newspaper and magazine articles

	ACR Electronics added new features to the VECTA 3 direction finder.(At a glance) Magazine article from: National Fisherman; 10/1/2008
	ACR Electronics added new features to the Vecta 3 direction finder.(SHORT TAKES) Magazine article from: National Fisherman; 1/1/2009
	Vicinity Scores with New Business Finder LineDrive Directions; 'Blueprint' Maps Easier to Use for Web and Wireless Applications. Business Wire; 3/26/2001

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	ACR Electronics added new features to the VECTA 3 direction finder.(At a glance) Magazine article from: National Fisherman; 10/1/2008; 422 words ; [ILLUSTRATION OMITTED] ACR ELECTRONICS added new features to the VECTA 3 direction finder. The Vecta 3 locates 121.5-MHz homing signals from EPIRB, PLB and ELT distress beacons. A new sensitivity receiver detects...
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