, GPS includes 24 satellites that circle the Earth every 12 hours. These satellites are distributed in six orbital planes that are equally spaced in angles. Each satellite carries an operating atomic clock which sends out timed signals that specify its location. Receivers on the surface of the Earth use microprocessors to receive these signals. By analyzing signals from at least four of the satellites the receiver can display its exact location using latitude, longitude, and altitude (Global Positioning System).
             According to Kirk Thompson, in traditional far
             ...