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About GPS Technology


GPS stands for Global Positioning Satellite. It is a Satellite-based radio positioning systems that provides 24 hour three-dimensional position, velocity and time information to suitably equipped users anywhere on or near the surface of the Earth. GPS is a 24 satellite constellation, 20,000 Km above the earth in six orbital planes. The NAVSTAR system, operated by the U.S. Department of Defense, was the first GPS system widely available to civilian users.
 
TomTom Navigator uses this technology to pinpoint your position with great accuracy and calculate your next requried move on your journey.