An Overview of the GPS Standard Positioning Service Signal Specification

Rob Conley

Abstract:	The paper begins by providing background on why the SPS Signal Specification was developed.* It continues with an overview of document objectives and structure. We then focus on several key topics of interest to receiver manufacturers and users. These topics include: . Specification of SPS ranging signal characteristics . Minimum usage conditions . Definition of SPS performance terms . Specification of SPS performance . Performance measurement methodologies We conclude the paper with a summary of SPS Signal Specification implications for the civil user community. We do not discuss actual system performance in this pa- per, but a good summary of current performance is pro- vided in Reference [ 11.
Published in:	Proceedings of the 7th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1994) September 20 - 23, 1994 Salt Palace Convention Center Salt Lake City, UT
Pages:	179 - 188
Cite this article:	Conley, Rob, "An Overview of the GPS Standard Positioning Service Signal Specification," Proceedings of the 7th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1994), Salt Lake City, UT, September 1994, pp. 179-188.
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