Navstar Global Positioning System (GPS)

The Navstar Global Positioning System (GPS)  was designed to fulfill the requirements of  accurate positioning. It is a brain child of United  States Department of Defense(DoD) and Joint  Program Office (JPO).

A reliable real time positioning system was very  much needed for DoD for it’s military operations.  The final product was the GPS system, originally  designed only for the use of DoD.

The GPS system provides critical positioning  capabilities to military, civil, and commercial  users around the world. The DOD of United States  government created the system, maintains it, and  makes it freely accessible to anyone with a GPS  receiver.

The GPS project was launched in the United  States in 1973 to overcome the limitations of  previous navigation systems integrating ideas  from several predecessors.

Navstar Global Positioning  System (GPS)

Navigation System with Time And Ranging  The system is satellite based navigation system. Although it was designed to be a pure  military tool at the beginning, the success  achieved by the system forced it to allowed  for the civilian usage. With it’s remarkable capabilities it has been  used for wide spectrum of applications.

Father’s of Navstar Global  Positioning System (GPS)

            

                    Ivan A. Getting

Roger_Easton

Bradford  Parkinson

• It became fully operational in 1995 with 24  satellites.
• Roger L. Easton, Ivan A. Getting and Bradford  Parkinson of the Applied Physics Laboratory are  credited with inventing it.