Abstract
Satellite navigation has stepped into the era of multi-GNSS and multi-frequencies; it has brought new opportunities for ionosphere modeling. This paper studied the methods and principles of ionosphere modeling based on multi-GNSS, meanwhile developed the corresponding software. Experiments of ionosphere modeling, using 15 degree and 15 order spherical harmonics model, were carried out based on multi-GNSS observation data from day 210 to 216 at 2013. The results show that: the residual of the global ionosphere modeling is less than 3 TECU; the difference of STD is about 4 TECU, compared with the CODE’s final product; the stability of DCB product is better than 0.4 ns for satellite, 0.8 ns for receiver.
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Acknowledgments
This study is supported by the National Natural Science Foundation of China (Grant No. 41204020; Grant No. 41074020).
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Zhu, Y., Jia, X., Feng, L., Ruan, R. (2015). Analysis of Ionosphere Modeling Accuracy Based on Multi-GNSS Data. In: Sun, J., Liu, J., Fan, S., Lu, X. (eds) China Satellite Navigation Conference (CSNC) 2015 Proceedings: Volume II. Lecture Notes in Electrical Engineering, vol 341. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46635-3_46
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DOI: https://doi.org/10.1007/978-3-662-46635-3_46
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