GPS stand for ( Global Positioning System ) which is used for find out current position of an object. In it sector GPS System play very import role in web applications like Google maps, wikimapia etc. whole the android apps are mostly used the GPS or Google Maps API's which helps in social media, digital marketing and cab services. GPS is always connected with satellite for 24 hours. All the motions of object are update through time and location signals. GPS navigable system is mainly develop for Defense Department of U.S. 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 trilateration 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 was received. The time difference tells the GPS receiver how far away the satellite is. Now, with distance measurements from a few more satellites, the receiver can determine the user's position and display it on the unit's electronic map.