It is a system that allows you to see the whole Earth, the position of someone or something with an accuracy up to centimeters, but are not as accurate. The system was developed by the United States Department of Defense to determine the positions.

The GPS system has 24 satellites help and uses trilateration. The GPS is supported by a network of 24 satellites in orbit on el.planeta Earth, the satellites are synchronized paths to cover the entire surface of the Earth