eLoran News

  • 31 January 2018

    Blackett Report on Satellite Derived Time and Position

    30 January 2018 Chronos Technology is delighted to welcome the long-awaited publication of the Blackett Report on Satellite–derived Time and Position: A Study of Critical Dependencies from the Government Office for Science. The report can be accessed via this… read more...
  • 19 December 2017

    US and UK Developments in Backups to GNSS

    Two important US Government announcements have been published on Dana Goward’s Resilient Navigation & Timing Foundation blog in recent days: 1. The US President has signed Law requiring the Secretaries of Defense, Transportation and Homeland Security to… read more...
  • 19 May 2017


    Chronos welcomes the publication of a Bill on 19 May by the US House of Representatives which directs the US Coast Guard to establish eLoran as a back up to GPS. The Bill which is subject to the availability of "appropriations" (funding), calls for the… read more...
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    14 December 2015

    Raytheon gets bashing from Air Force; PNT ExCom recommends eLoran for GPS backup

    Just as the U.S. Air Force's top space official slammed a new ground control system for GPS being built by Raytheon as "a disaster," U.S. Department of Defense and Transportation officials told members of Congress that the administration is working on a… read more...
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    10 December 2015

    PNT ExCom Backs eLoran as a Step to Full GPS Backup System

    The National Executive Committee for Space-Based Positioning, Navigation, and Timing (PNT ExCom) has recommended using enhanced Loran (eLoran) as a near-term alternative to GPS for essential timing data while it determines what capabilities are needed for a… read more...
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    23 November 2015

    A Wide-Area Multi-Application PNT Resiliency Solution

    An article from gpsworld.com By Stephen Bartlett, Gerard Offermans and Charles Schue WHERE HAVE ALL THE SYSTEMS GONE, long time passing? Radionavigation systems, that is (and apologies to Pete Seeger). If we look at the 1990 Federal Radionavigation Plan… read more...
  • 27 July 2015

    European Satellite Agency Endorses eLoran for Resilience

    In a post entitled "Resilient Navigation in Demanding Maritime Environments" dated 23 July 2015, the European Global Navigation Satellite Systems Agency discusses the dangers of depending upon just space signals and the need for resiliency. "But with the… read more...
  • 01 November 2013

    UrsaNav Accepts Delivery of First Production Nautel NL40 eLoran Transmitter

    Bedford, Massachusetts, USA. After extensive Final Acceptance Testing at Nautel’s Hackett’s Cove, NS facility, UrsaNav has accepted delivery of the first production NL40 Loran-C and Enhanced Loran (eLoran) transmitter. This seventh generation Loran… read more...
  • 31 January 2013

    Chronos welcomes eLoran announcement

    eLoran system availability in the UK and Ireland Lydbrook, Gloucestershire 31 January 2013 – Chronos Technology welcomes the recent announcement by The General Lighthouse Authorities of the UK and Ireland (GLA) regarding the availability of the Enhanced Loran… read more...
  • 08 January 2013

    UK switches on GPS backup in the English Channel

    The General Lighthouse Authorities of the UK and Ireland (GLA) have announced that ships in the Port of Dover, its approaches and part of the Dover Strait can now use eLoran radio navigation technology as a backup to satnav systems like GPS and Galileo. The… read more...
  • 01 August 2011

    eLoran Monitoring at Dungeness to cover Dover Straits

    R&RNAV have installed a prototype eLORAN reference receiver at Dungeness Lighthouse. In time this may enable the site to act as a Differential-eLoran reference station covering the Dover Straits and parts of the English Channel. The GLAs Differential GPS… read more...
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    20 July 2011

    R&RNAV make UTC measurements for eLoran at NPL

    As part of the Sentinel project, R&RNAV visited the National Physical Laboratory in Teddington on 20th July to make UTC-alignment calibration measurements for the eLoran receiver used in the project. The transmissions of all eLoran stations are kept… read more...
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    10 March 2011

    GPS vulnerabilities and the benefits of eLoran

    A response to the statement by Professor Martyn Thomas at the 2011 GNSS Interference, Detection and Monitoring Conference on Thursday 10 March. The General Lighthouse Authorities of the UK and Ireland (GLAs) fully support the findings of the Royal Academy of… read more...
  • 09 February 2011

    Coast Guard terminates LORAN-C broadcast

    9 February 2010 Coast Guard terminates LORAN-C broadcast - The show continued on despite record snowfall in the Washington, D.C., area over the weekend. Monday, 8th February 2010 at 3 p.m., the Coast Guard Navigation Center in Alexandria, Va., coordinated the… read more...
  • CNN Tech
    08 February 2010

    U.S. Coast Guard shuts down Loran-C

    8 February 2010 In a series of small ceremonies, the U.S. Coast Guard on Monday shut down Loran-C, a navigation and timing system that has guided mariners and aviators since World War II. more» read more...
  • Loran Lines Newsletter
    01 April 2009

    Newsletter of the International Loran Association

    April 2009 Newsletter of the International Loran Association. more» read more...
  • Technology Strategy Board
    17 March 2009

    Radionavigation is a global business

    17th March 2009 Radionavigation is a global business with a global footprint and the U.S. Global Positioning System (GPS) has been the jewel in the crown for nearly a generation. The U.S. has established such a level of trust in its operation of GPS that… read more...
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    09 January 2009

    IAT Report on eLoran.

    January 2009 Institute for Defense Analyses (IDA) - IAT Report on eLoran. Independent Assessment Team (IAT) Summary of Initial Findings on eLoran. more» read more...