WASHINGTON — You can’t always trust your GPS gadget. As scientists have long known, perplexing electrical activity in the upper atmospheric zone called the ionosphere can tamper with signals from GPS ...

September marks the 50th anniversary of the Global Positioning System, a U.S.-owned free utility that offers positioning, navigation, and timing services to users all over the world. It changed not ...

Like many people, I’ve come to take for granted the availability of navigation systems in cars and handheld devices based on the Global Positioning System. But it was all abstract until I recently ...

The research, which was sponsored by the Army Research Office, shows Starlink could be used as a backup to the US's Global Positioning System. The US Global Positioning System (GPS) is a crucial tool ...

Upgrades to satellites in orbit and systems down below will bring centimeter-level accuracy to the masses. GPS has already transformed many industries and enabled whole new ones, like ride-sharing. A ...

GPS is an acronym for Global Positioning System. It is a satellite navigation system providing distance, time, and position measurements in the world coordinate system. To put it simply, it is a ...

A few weeks ago, China launched the final satellite in its BeiDou-3 satellite positioning system. Didn’t know that China had its own GPS? How about Europe’s Galileo, Russia’s GLONASS, or Japan’s QZSS?

For decades, the United States has had a monopoly on positioning, navigation and timing technology with its Global Positioning System (GPS), a constellation of satellites operated by the military that ...

Global Navigation Satellite Systems (GNSS) have revolutionised location-based services by providing positioning information through satellite signals. In urban environments, however, positioning ...

David J. Podlesney, who is GPS IIR/IIR-M program manager for Lockheed Martin Space Systems, Valley Forge, Pa., has been inducted into the Global Positioning System (GPS) Hall of Fame at the U.S. Air ...