Predicting GLONASS Satellite Orbit Based on an Almanac Conversion Algorithm for Controlled Ionosphere Scintillation Experiment Planning

Jun Wang, Jared Morell, Yu Morton

Abstract:	We report a GLONASS satellite orbit prediction method for controlled ionospheric scintillation experimental planning using an almanac conversion algorithm. The positions of the GLONASS satellites are estimated based on the well-documented GPS Keplerian orbit model. This technique does not require numerical integration or the GLONASS orbital force model parameters, has lower computational cost, and generates solutions that meet our accuracy requirement. We apply this method to analyze the prediction error over a two-month period at Gokona, AK, the location of our controlled ionosphere scintillation experiment. The mean satellite elevation and azimuth error is between -0.4 and 0.4 degrees, and -3.2 and -0.7 degrees respectively. Both errors in elevation and azimuth angles are considered acceptable under the project criteria of ±4 degrees. A linear trend can be observed in the mean and standard deviation of both elevation and azimuth angle errors at several locations investigated in this paper.
Published in:	Proceedings of the 24th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2011) September 20 - 23, 2011 Oregon Convention Center, Portland, Oregon Portland, OR
Pages:	3118 - 3124
Cite this article:	Wang, Jun, Morell, Jared, Morton, Yu, "Predicting GLONASS Satellite Orbit Based on an Almanac Conversion Algorithm for Controlled Ionosphere Scintillation Experiment Planning," Proceedings of the 24th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2011), Portland, OR, September 2011, pp. 3118-3124.
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