Evaluation of Multiple-Reference DGPS RTK Using a Large Scale Network

Paul Alves, Gérard Lachapelle, M. Elizabeth Cannon, Junjie Liu and Bryan Townsend

Abstract:	The multiple reference station approach developed at the University of Calgary for RTK DGPS, namely MultiRef™, is being tested using the large scale Swedish reference network that has an inter-receiver distance of 200 to 400 km in its southern part. The methodology, software and real-time communication links used are described. The test took place in the Winter of 2000 under an exceptionally high level of ionospheric activity. Both integer and float ambiguity solutions are tested. The advantages and limitations of a multiple reference station approach for RTK positioning under the above conditions are discussed, based on the results obtained.
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:	665 - 671
Cite this article:	Alves, Paul, Lachapelle, Gérard, Cannon, M. Elizabeth, Liu, Junjie, Townsend, Bryan, "Evaluation of Multiple-Reference DGPS RTK Using a Large Scale Network," Proceedings of the 2001 National Technical Meeting of The Institute of Navigation, Long Beach, CA, January 2001, pp. 665-671.
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