GPS stands for the Global Positioning System, a satellite navigation network that consists of 24 satellites orbiting the Earth, relaying the information back to earth to determine the exact location of a GPS receiver at any given moment to within 15 meter
Notes by nathgille:
GPS stands for the Global Positioning System, a satellite navigation network that consists of 24 satellites orbiting the Earth, relaying the information back to earth to determine the exact location of a GPS receiver at any given moment to within 15 meter