Question

What is GPS in detail.​

Answer 1

the free ... A GPS unit takes radio signals from satellites in space in orbit around the Earth. There are 31 satellites 20,200 kilometres (12,600 mi) above the Earth. ... The GPS unit uses trigonometry to calculate where it is from each satellite's position and distance.

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Answer 2

Explanation:

The Global Positioning System (GPS) is a space based satellite navigation system that provides location and time information in all weather conditions , anywhere on or near the earth where there is an unobstructed line of sight to four or more GPS satellites .