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GPS apps and portable navigation devices often provide unbearably bone-headed, and sometimes dangerous, directions. GPS experts explain how the technology works, offer reasons why GPS leads you astray ...

While GPS technology is a big help for people traveling or heading to a new part of town, sometimes its directions aren’t always accurate. Whether it’s s traffic detour or an app that hasn’t been ...

The CoPilot Premium map apps for iOS and Android can provide turn-by-turn, GPS-based directions in areas with no cellular reception and help travelers cut down on roaming charges. Can you use your iOS ...

Reliance on GPS navigation systems has become commonplace, and services like Google Maps offer customizations to suit different parts of the world, with the navigating voice changing its accent to be ...

A GPS app (or GPS device) can give you wrong directions for any number of reasons, but usually it's just an error in the map. Maybe it doesn't know there isn't a left ...

Many of us have been rescued from unfamiliar territory by directions from a Global Positioning System navigator. GPS satellites send signals to a receiver in your GPS navigator, which calculates your ...

Photo: A radio telescope at the Kokee Park Geophysical Observatory, NASA's VLBI station in Hawaii, one of the most active sites in the global geodetic/astrometric VLBI network. (US Navy / PMRF) Many ...