Put into orbit by the U.S. Department of Defense GPS was originally intended for military applications but has become available for civilian use. By receiving signals from satellites orbiting the earth, GPS calculates your exact location and provides it in coordinates of two numbers: longitude (how far west or east you are) and latitude (how far north or south you are).
Kwa kupokea ishara kutoka satelaiti inayozunguka dunia, GPS inahesabu eneo lako halisi na hutoa majira ya nukta ya namba mbili(coordinate):