Auxiliary Systems: Peripheral Systems: Satellite assisted systems

Global positioning satellites	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.
Triangulation/ trilateration	Trilateration or triangulation is the system whereby a vehicle's location is determined by forming a triangle with a group of four or more satellites.
Satellite navigation	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.
Telematics	Automotive telematics is a satellite-based system that combines two-way communication and information technology within the vehicle.

Topic	Summary