Many drivers still swear by a dedicated portable GPS navigation system, and for good reason. A portable GPS, or portable navigation device (PND), leaves your phone free for other uses. Portable GPS ...

With the rapid development of GPS (Global Positioning System) techniques, GPS gets wider application in many fields. GPS has features such as high precision, global coverage, convenience, high quality ...

If GPS and radar go down, U.S. aircraft carriers can navigate using celestial navigation, sextants, compasses, and ...

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 ...

GPS is the best technology for tracking the location and movement of any object anywhere in the world. GPS stands for “Global Positioning System,” and refers to a worldwide network of satellites, ...