Recent Advances in the Implementation of GNSS

P. Daly, S. Riley, and P. Raby

Abstract:	Global navigation satellite systems comprising the Navstar GPS and GLONASS systems and supplemented by an Inmarsat-3 overlay, will soon be operational. Full Operational Capability (FOC) for GPS can be expected next year in Spring 1994. For GLONASS progress towards FOC will be slower with a final completion date probably nearer 199.596. Particularly in view of the interest in joint GPS/GLONASS initiatives, the progress of GLONASS towards a full operational complement deserves constant attention. Observations on the structure of the satellite segment and the behaviour of individual spacecraft are treated. In November 1992 a special test was conducted to determine the effects of GLONASS transmissions on observations in the radio-astronomical frequency band. The progress of this test was closely followed in Leeds and is described. During early September 1993 a reorganisation of the GLONASS frequency plan was implemented.
Published in:	Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993) September 22 - 24, 1993 Salt Palace Convention Center Salt Lake City, UT
Pages:	433 - 440
Cite this article:	Daly, P., Riley, S., Raby, P., "Recent Advances in the Implementation of GNSS," Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993), Salt Lake City, UT, September 1993, pp. 433-440.
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