Advances in Ambiguity Resolution for Surveying Type Applications

Hans-Juergen Euler and Christian Ziegler

Abstract:	The real-time ambiguity resolution became a commod- ity for several applications in the recent past. More and more applications are using exclusively these results with cm-accuracy. The receiver technology has experienced changes over several years. The qualities of the observations have been improved significantly. Multi-path mitigation techniques for instance are providing the ground for a variety of dif- ferent data-processing schemes. The paper describes the recent advances in real-time ambiguity resolution for sur- veying type applications based on new receiver technol- ogy. It compares the results to previous systems and it outlines the advantages for productivity of users. Continu- ous ambiguity resolutions in difficult environments with obstructions and their dilution of the observation precision demonstrate the stability and reliability of today’s real- time GPS systems and post-processing software. The up- coming peak in the solar cycle induces corruption of the satellite signals due to increased ionospheric activity. In year 2000 advanced approaches are mandatory for good performance and reliability. Tests on long baselines show the increased coverage of new approaches.
Published in:	Proceedings of the 13th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2000) September 19 - 22, 2000 Salt Palace Convention Center Salt Lake City, UT
Pages:	95 - 103
Cite this article:	Euler, Hans-Juergen, Ziegler, Christian, "Advances in Ambiguity Resolution for Surveying Type Applications," Proceedings of the 13th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2000), Salt Lake City, UT, September 2000, pp. 95-103.
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