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A long-range navigational system in which position is determined by an analysis involving the time intervals between pulsed radio signals from two or more pairs of ground stations of known position.

[lo(ng-)ra(nge) n(avigation).]
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 radio navigation system operating over long distances. Synchronized pulses are transmitted from widely spaced radio stations to aircraft or shipping, the time of arrival of the pulses being used to determine position
[C20: lo(ng-)ra(nge) n(avigation)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈlɔr æn, ˈloʊr-)

(sometimes cap.) a navigational system for locating one's position by determining the time displacement between radio signals from two known stations.
[1940–45, Amer.; lo(ng)ra(nge)n(avigation)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


A long-range radio navigation position fixing system using the time difference of reception of pulse type transmissions from two or more fixed stations. This term is derived from the words long-range electronic navigation.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
References in periodicals archive ?
In 2012 Izzy was diagnosed with a low-grade glioma, a non-cancerous growth, after Loran had seen unusual movements in her hand and leg.
They settled on family property in Vergennes and raised four children: Loran E.
Loran, from Blackburn, Lancs, had been living in London after graduating from the University of Central Lancashire.
Backed by Loran's sister Cecily and mum Angela Pejcinovic, the appeal has raised nearly PS3,000 towards its PS4,500 target.
Anyone with information is asked to contact PC Caroline Loran at Huddersfield Police Station via 101, quoting 13150483488
About this time, I noticed the Loran was generating an error message: it had lost its signal.
If the delivering LORAN equipped aircraft dropped an LGB on LORAN coordinates it could and then be guided to the target by the LASER designator on the "Pave Nail" OV-10s, as they came to be called.
All Loran stations in the country ceased operations on Dec.
"This is the 38th death anniversary of Sain Allai Baksh and it is the third and last day in Loran Batalkot .
[USPRwire, Tue Apr 02 2013] PC Bennett Consulting is pleased to announce a new member of the team, Loran Payne.
Lucy Barnes and Loran Beynon also join the firm as paralegals.
Called enhanced Loran, or eLoran, the prototype system has been running in Anthorn, Cumbria, 24 hours a day, seven days a week since October 2010.