Strategies for GPS-Based Estimates of Troposphere Delay

Yoaz E. Bar-Sever and Peter M. Kroger

Abstract:	In this paper we discuss various aspects of the process by which troposphere delay is being estimated from GPS data. In order to evaluate various estimation strategies for the troposphere delay we have performed experiments where GPS-based estimates of wet troposphere delay ate compared with those obtained from a collocated Water Vapor Radiometer (WVR). We demonstrate that the recovery of troposphere delay from GPS data is sensitive to the temporal modeling of the troposphere, the elevation angle cutoff values and the GPS yaw attitude mismodeling. Certain estimation strategies am recommended in order to achieve the highest possible accuracy in the retrieval of troposphere delay.
Published in:	Proceedings of the 9th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1996) September 17 - 20, 1996 Kansas City, MO
Pages:	615 - 623
Cite this article:	Bar-Sever, Yoaz E., Kroger, Peter M., "Strategies for GPS-Based Estimates of Troposphere Delay," Proceedings of the 9th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1996), Kansas City, MO, September 1996, pp. 615-623.
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