If you're looking to find your way there and back again, you'll benefit from a GPS satellite navigation system on the dashboard.
Rather than messing about with a paper street directory, GPS navigators include built-in maps for the entire country, making it easy to see where you are and where you're going. If you punch in a street address they'll quickly calculate the fastest route from your current location and then talk you through the journey.
Today's mobile phones do far more than just make calls - they're portable entertainment centres.
Mobile phones are gradually assimilating all the other devices in our pockets - such as MP3 players, photo viewers, video cameras, PDAs and GPS navigators. The result is a jack-of-all-trades entertainment device, tucked away in your pocket for whenever you need it.
GPS or Global Positioning System is a satellite navigation system developed by the United States Department of Defense. The GPS system incorporates 24 satellites that orbit the earth and transmit signals to GPS receivers on the ground.
A GPS receiver uses signals from multiple satellites to determine its location, speed, direction and time.
If you're looking to find your way there and back again, you'll benefit from a 
signals to GPS receivers on the ground. 
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