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 ...

The map's widened coverage comes after China launched its 56th Beidou satellite in May, three years after its last one. For comparison, the GPS system ... ties with the world and expanding the ...

The global navigation satellite system, of which GPS is the most famous example, is a crucial aspect of modern life. From planes to cargo ships, to simply finding your way around a new city or ...

TomTom announces map enhancements around the globe, delivering new coverage and features for automotive, government, enterprise and consumer customers. TomTom maps cover more than 200 countries and ...

Here are our top picks: I conducted this test in rural, suburban, and urban environments to evaluate each collar’s cellular and GPS coverage, as well as potential interference from both terrain and ...

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 Air Force stated that routine early orbit checkout procedures determined that the signals from the Lockheed-built GPS IIR-2 (M), which was launched in March, were inconsistent with the ...

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 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 ...

By 1995, all 24 NAVSTAR satellites were in orbit, providing world-wide coverage 24 hours per day. Today, GPS technology is prominent in both military and civilian applications. From weapons ...