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 ...

Many vehicles now come equipped with Global Positioning System navigation to help motorists find their destinations. "Instead of having to write down directions -- reading while you're driving -- it ...

I’ll admit it. My name is Donna and I’m a GPS junkie. I have a global positioning system receiver in my car, and I always, always travel with a portable GPS. The typical GPS receiver calculates where ...

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Better get used to seeing the Sony name today, kiddos. Here we have the NV-U1, a stand-alone portable GPS unit, or portable navigation device (PND) in the original Latin. Its 4.3-inch screen is ...

Ahoy, GPS-stranded motorist. Stop banging the dashboard, and consider this timely reincarnation of dead reckoning to help you find your way out of "GPS-denied environments," or at least alert others ...

As prices drop, demand is increasing for mapping devices that also play music and movies. Photos: Personal GPS devices take off Erica Ogg is a CNET News reporter who covers Apple, HP, Dell, and other ...