Sunday, December 18th, 2016 @ 5:51PM

Assured Position, Navigation, and Timing for the United States -

 Left: World map showing the location of GPS ground components It is shown that the issue associated with assuring Position, Navigation, and Timing is not one of building backup systems to augment the GPS, but, rather, one of designing and building a reliable overall PNT architecture. A continuously functioning Positioning, Navigation, and…