Global Positioning System
GPS (Global Positioning System) is a satellite-based route framework. It gives general setting-based data to a GPS collector, found anyplace on or close to the world's surface. GPS works in every climate condition if there is an unobstructed line correspondence with at least 4 GPS satellites. GPS is overseen by the US Air Force. A GPS works freely of the client's web association or phone signal. Notwithstanding, their quality expands the adequacy of GPS situating. GPS was at first evolved by the US government for military purposes, however, right now, anybody with a GPS recipient can get radio transmissions from GPS satellites. Note: At first, when GPS was produced for military use, there were 24 GPS satellites circling the earth at regular intervals at a tallness of 20, 180 km. 4 GPS satellites were situated in every one of the 6 circles with a 60-degree direction between one another. These orbital planes don't pivot regarding any star. Afterward, the number of satellit