Status of RTCA SC-159 Integrity Investigations

R. Grover Brown

Abstract:	The Radio Technical Commission for Aeronautics Special Committee 159 completed its work on the Minimum Aviation System Performance Standard for GPS (MASPS) in the latter part of 1988. The same committee is now working on the Minimum Operational Performance Standards (MOPS) for supplemental navigation using GPS. The committee is giving consideration to eventual use of GPS for sole means navigation, but its immediate task is to generate a MOPS for supplemental means. A number of working groups of SC-159 were formed at its meeting in March 1989. One of these is the Working Group on Integrity Implementation. Its job is to make recommendations to the whole committee relative to the integrity portion of the MOPS. The working group is considering both RAIM and GIC in its deliberations. It appears that it will be 5 or more years before GIC can become operational, so RAIM alone will have to suffice in the interim periods. A number of different RAIM schemes and a table of specifications for allowable alarm and miss rates have been discussed by the working group, but no firm decisions have been made on these as yet. The working group is also following closely the progress on the plans for GIC testing. The target date for completion of the working group recommendations is mid 1990.
Published in:	Proceedings of the 2nd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1989) September 27 - 29, 1989 The Broadmoor Hotel Colorado Spring, CO
Pages:	361 - 361
Cite this article:	Brown, R. Grover, "Status of RTCA SC-159 Integrity Investigations," Proceedings of the 2nd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1989), Colorado Spring, CO, September 1989, pp. 361-361.
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