Precise Post-processing of GPS Data: Products and Services from JPL

James F. Zumberge, Frank H. Webb and Yoaz E. Bar-Sever

Abstract:	During the 1990s, networks of permanently operating geodetic quality GPS receivers have emerged with spatial scales ranging from kilometers to thousands of kilometers. As a by-product of our intrinsic interest in analysis of data from these networks, JPL offers, by way of anonymous ftp, estimates of GPS clocks and orbits with various latencies and accuracies. These products can be used to facilitate precise post-processing of GPS data from stationary and moving GPS re ceivers. In addition, a completely automated service uses an e-mail and anonymous ftp interface to allow precise analysis of dual frequency GPS data from stationary receivers. This service obviates the need for a user to learn the details of GPS processing software, and is available to anyone with Internet access. Few-millimeter horizontal and centimeter vertical accuracies are routinely achieved.
Published in:	Proceedings of the 2001 National Technical Meeting of The Institute of Navigation January 22 - 24, 2001 Westin Long Beach Hotel Long Beach, CA
Pages:	250 - 253
Cite this article:	Zumberge, James F., Webb, Frank H., Bar-Sever, Yoaz E., "Precise Post-processing of GPS Data: Products and Services from JPL," Proceedings of the 2001 National Technical Meeting of The Institute of Navigation, Long Beach, CA, January 2001, pp. 250-253.
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