THE GLOBAL POSITIONING SYSTEM - GPS

Abstract

The Global Positioning System (GPS) is a satellite-based navigation system developed by the U.S. Department of Defense. It serves marine, airborne, and terrestrial users, both military and civilian. Specifically, GPS includes the Standard Positioning Service (SPS). these services are available worldwide with no requirement for a local reference station. In contrast, differential operation of GPS provides 2- to 10-m accuracy to users within 1000 km of a fixed GPS reference receiver. It will on those aspects of GPS.