When GPS doesn’t work, the Federal Aviation Administration grounds all planes. Now firefighters and ambulances use GPS to get to your house in an emergency. Back in 1973 they used maps.

TomTom’s global map database now covers more than 45.6 million kilometers and 4.3 billion people worldwide, and features full navigable coverage for 134 countries. “The addition of nearly 3 million ...

Photograph by Samuel Aranda, The New York Times/Redux Improved GPS coverage may make ... of public roads around the world. To check it out, simply open up Google Maps on your iPhone, iPad, or ...

See full coverage maps here. The CenterPoint RTX Fast subscription service ... This expanded coverage makes it the largest, high-performance GNSS correction network in the world, according to Trimble.

Col. Jennifer Grant, USAF, commander of 2 SOPS, explains that the technology—which so far is unnamed—overlays GPS files on top of the terrain landscape provided by Google's mapping. "Those files often ...

The idea that GPS coverage will be pervasive all of the time in the future just might not pan out. That’s because while some improvements in delivering components of the system have occurred ...

The Global Positioning System runs the modern world. But it is under daily attack. This year alone, researchers say, more than 60,000 commercial flights have been hit by bogus GPS signals ...