Assessment of Precise GPS Ephemeris and Clock in the International GNSS Service

D.J. Cho, H.C. Jeong, S.H. Park

Abstract:	Currently many vessels determine an overhead clearance by a rule of thumb based on their draft for maritime navigation. Therefore when vessels navigate, they don’t have a good overhead clearance because vertical position of vessels varies on time by tidal. As a result, it is occurred maritime accidents that the mainmast of vessels is bumped against overhead facilities. This paper evaluates precise GPS satellite ephemerides and clocks provided by the IGS for applying to maritime precise positioning. And this paper shows that it is necessary to have shorter interval IGS products in real-time for more precise positioning solution.
Published in:	Proceedings of IEEE/ION PLANS 2010 May 4 - 6, 2010 Renaissance Esmeralda Resort & Spa Indian Wells, CA
Pages:	137 - 141
Cite this article:	Cho, D.J., Jeong, H.C., Park, S.H., "Assessment of Precise GPS Ephemeris and Clock in the International GNSS Service," Proceedings of IEEE/ION PLANS 2010, Indian Wells, CA, May 2010, pp. 137-141. https://doi.org/10.1109/PLANS.2010.5507292
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