Modernization of the Global Positioning System

Michael Shaw, Kanwaljit Sandhoo, David Turner

Abstract:	More than two decades have now passed since the construction of the GPS operational control segment (OCS), including the Master Control Station (MCS) at Schreiver AFB, Colorado and worldwide monitoring stations, and launch of the first GPS satellites. During that time, several generations of satellites have been designed, built, and launched, and operations are routinely supported by the OCS. Today, Global Positioning System (GPS) is entering into the new millennium with a far-reaching program to modernize the system on the ground and in space. This paper describes the goals, requirements, design objectives, and plans for implementing a $1 billion-plus modernization program in the coming decade.
Published in:	Proceedings of the 32th Annual Precise Time and Time Interval Systems and Applications Meeting November 28 - 30, 2000 Hyatt Regency Reston Town Center Reston, Virginia
Pages:	17 - 30
Cite this article:	Shaw, Michael, Sandhoo, Kanwaljit, Turner, David, "Modernization of the Global Positioning System," Proceedings of the 32th Annual Precise Time and Time Interval Systems and Applications Meeting, Reston, Virginia, November 2000, pp. 17-30.
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