GPS is “Global Positioning System”. it is a satellite-based radio navigation system. GPS itself is made up of three component groups – the satellite constellation, ground control segment, and user equipment. The satellite constellation is often referred to as NAVSTAR (Navigation Satellite Timing and Ranging) and currently consists of 30 satellites. Groups of five satellites loop around the earth in one of six different orbital paths. This allows a system user with a clear view of the sky to have access to a minimum of four satellites at any …