U.S. National PNT Architecture from a 2007 Department of Transportation report, updated in 2017. (Graphic: U.S. Department of Transportation)

DOT gets cracking on a new PNT concept

June 7, 2019

Congress mandated movement in December 2017. The U.S. Department of Transportation (DOT) says it will implement a terrestrial […]

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This article is tagged with Department of Transportation, eLoran, GPS back-up system, Locata, NextNav, PNT architecture, USDOT and posted in From the Magazine, Latest News, Transportation

Image: GPS World

Korea institute awards UrsaNav an eLoran test bed contract

August 28, 2018

The Korea Research Institute of Ships and Oceans Engineering (KRISO) has awarded UrsaNav a contract to supply an […]

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This article is tagged with eLoran, eLoran Transmitter Test Bed System, Korea Research Institute of Ships and Oceans Engineering, KRISO, Loran-C, navigation, PNT, Republic of Korea, test bed, UrsaNav and posted in Latest News, Transportation

(PHOTO: Petty Officer 1st Class Brien Aho, U.S. Navy)

Q&A on challenged PNT

July 3, 2018

This editorial comes to you live from the control console of GPS World’s June webinar, “Defense PNT in […]

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This article is tagged with Alan Cameron, eLoran, GPS World, John Fischer, Jon Sinden, Orolia, Talen-X, Tim Erbes, TRX Systems, webinar and posted in Featured Stories, From the Magazine

Image: GPS World

NIST explores timing alternatives for smart grids

December 5, 2017

The National Institute of Standards and Technology (NIST) has published a 33-page special publication reporting on the results of […]

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This article is tagged with eLoran, GPS alternatives, National Institute of Standards and Technology, NIST, precision time protocol, smart grid, timing, utilities, WWVB and posted in Latest News, Mobile, OEM

Image: GPS World

PNT Roundup: Telecoms cite GNSS vulnerabilities

October 9, 2017

In a technical report titled GPS Vulnerability released Sept. 15, the Alliance for Telecommunications Industry Standards (ATIS) renewed […]

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This article is tagged with critical infrastructure, eLoran, GNSS vulnerability, GPS spoofing, Putin, Russia, spoofing attack, telecommunications and posted in From the Magazine, Mobile

Image: GPS World

The day GPS went away

September 6, 2017

The day started like any other day. The land surveying crew loaded up their vehicle, equipment and marching […]

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This article is tagged with DARPA, eLoran, GPS, GPS backup, GPS history, Loran, Selective Availability, surveying, surveyors, Tim Burch, U.S. Defense Advanced Research Projects Agency and posted in Opinions, Survey

Figure 1. Timeline for resilient PNT. (Image: GLA)

PNT Roundup: Resilient PNT for the maritime sector

August 9, 2017

The General Lighthouse Authorities of the U.K. and Ireland (GLA) reached Initial Operational Capability for eLoran on the […]

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This article is tagged with eLoran, General Lighthouse Authorities, GLA, GNSS, IMO, Integrated Navigation System, Ireland, UK and posted in From the Magazine

eLoran and Loran testing underway in late June

June 5, 2017

The Loran sites at Havre, Montana; George, Washington; and Fallon, Nevada, will continuously broadcast from 0900 (MST) June […]

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This article is tagged with eLoran, jamming, Loran and posted in Featured Stories, GNSS, Latest News, Transportation