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,...

Breaking News: Agreement for eLoran Test Signal In US!

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. The goal of the effort is to examine eLoran as a complement to the GPS system and for a “…test and...

DHS Helps Protect GPS

Great progress by DHS in helping to protect critical infrastructure was reported this week by “Inside GNSS.” Led by DHS Science and Technology Program Manager Sarah Mahmood, DHS and NIST have developed and published a ten page guide of “Best Practices for Improved...

GAO Report on GPS Disruptions

Use this link to read the summary and the full report. [big_button url=”http://www.gao.gov/products/GAO-14-15″]Read More[/big_button]