by Editor | Apr 29, 2015 | Blog
National Defense magazine By Sandra I. Erwin One of the Pentagon’s best-known inventions, the GPS satellite, could be replaced in the foreseeable future by technology that is far cheaper and more resistant to jamming. Finding an alternative to GPS not only could save...
by Editor | Jan 6, 2015 | Blog
One of the many interesting exchanges at the US National Position, Navigation, and Timing Advisory Board in December was Professor Per Enge’s response to a question about how having a high power, difficult-to-disrupt, terrestrial eLoran system that provided GPS-like...
by Editor | Jan 31, 2014 | Blog
A potential nightmare for combatant commanders is a “day without space.” In this scenario, a peer or near-peer competitor severely limits U.S. forces’ access to military communication and navigation spacecraft through jamming or something more destructive, such as...
by Editor | Oct 29, 2013 | Blog
That’s the problem facing military planners as they try to sort through the increasing reliance of equipment and troops on positioning data from satellite networks at a time when the vulnerabilities of GPS are becoming more apparent. This month, a group of...
by Editor | Sep 18, 2013 | Blog
Signal Sentry 1000, an Exelis product that detects and locates GPS interference sources in 3-D by using longitude, latitude and altitude has demonstrated successful results during a planned field testing event held last week at the Vidsel Test Range in Sweden....