The Global Positioning System, usually called GPS, is a satellite navigation system. More than two dozen GPS satellites orbit the Earth and transmit radio signals which allow any GPS receiver near the planet to determine its location, speed and direction.
GPS satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth. GPS receivers take this information and use triangulation to calculate the user’s exact location. Essentially, the GPS receiver compares the time a signal was transmitted by a satellite with the time it …