We take for granted how much reliance we put on GPS signals for everyday life. These signals rely on satellites that can be made vulnerable to failure and there is a need for a backup signal on the ...

Progress in developing the Broadcast Positioning System (BPS) was recently charted at the NAB (National Association of Broadcasters) show. CNX Software reports that BPS is being positioned as a backup ...

Satellite drift might not sound like a problem, but it’s a real-world issue that affects everything from your GPS to emergency communications, and engineers have some clever tricks to keep it all in ...

The country’s GPS systems might be more vulnerable than you think — and the stakes are high. A Global Positioning System failure could affect transportation, banking and emergency operations. But ...

More than 20 years ago, in these pages, we referred to television broadcast signals as “signals of opportunity” that might be used for positioning, navigation and timing (PNT). Since then, several ...

Our everyday GPS struggles in “urban canyons,” where skyscrapers bounce satellite signals, confusing even advanced navigation systems. NTNU scientists created SmartNav, combining satellite corrections ...

GPS has become indispensable both for military operations and everyday American life. But our reliance on it makes us vulnerable to adversaries that have devised ways to jam or intercept the satellite ...