US to Shutdown Most of DGPS

The US Coast Guard recently published its intent to close 62 of 84 Differential GPS sites, most of them in non-coastal areas. The use of DGPS has long been on the decline, as has the availability of receivers that are able to take advantage of the service. Users have,...

Federal Radionavigation Plan Touches on NDGPS, eLoran

May 27, 2015 – By GPS World staff The 2014 Federal Radionavigation Plan, just released from the U.S. Department of Transportation, touches on funding for the Nationwide Differential GPS and the use of eLoran as a precision timing alternative. The plan is signed...

US Agrees to Putting Test eLoran Signal On Air

Today, the US Department of Homeland Security agreed with the Exelis and UrsaNav Corporations to put an eLoran signal on the air for testing and demonstration at former Loran-C sites. The goal of the effort is to test eLoran as a complement to the GPS system and for a...