Global positioning satellites (GPS)
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A system known as a Global Positioning System, or GPS, can be used to determine the exact location of a vehicle on the earth’s surface.
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Triangulation/ trilateration
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Trilateration is the system whereby a vehicle's location is determined by forming a triangle with a group of 4 or more satellites.
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Satellite navigation
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Once a vehicles position is determined via trilateration, software can be used to generate an accurate map of the area. The GPS continues to provide updated information to ensure accuracy of the map data.
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Telematics
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Automotive telematics is a satellite-based system that combines two-way communication and information technology within the vehicle.
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