The Reliability of GPS

GPS systems work well because two essential elements are combined: precise location data and a database of every roadway in the world.

For over a decade GPS tracking, the first great advancement in navigation in centuries, has proven to be virtually flawless. The hardware differentiates signal strength from satellite transmissions and triangulates position much like human ears locate the source of a sound. Because each satellite’s location is precisely known, any GPS device capable of receiving their beacons can calculate its position anywhere on the planet in an instant. GPS systems work well because two essential elements are combined: precise location data and a database of every roadway in the world. When you add the Internet, the possibilities for new applications grow exponentially.

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