August 4, 2016 Air Force upgrades to better field reference system for testing GPS denial By Capt. James Kawecki, James Brewer, Jason Baldwin, and John Cao
August 2, 2016 Elliptically orbiting Galileo satellites to start broadcasting navigation messages By GPS World Staff
July 21, 2016 Iridium/GPS carrier phase positioning, fault detection By Mathieu Joerger, Jason Neale, and Boris Pervan
