Abstract
The ionosphere has always been one of the important error sources in GNSS navigation and positioning applications. The refined real-time monitoring of the ionosphere can provide more accurate information for calibration of ionospheric errors in high-precision positioning. Based on over 2,000 GNSS monitoring stations of the Beidou Ground-Based Augmentation System, this paper proposed a framework for the development of a high-precision ionospheric monitoring system in China, planning to provide a group of ionospheric products. Taking ROTI map as an example, the post-processing version has a spatial resolution of 0.2° in both longitude and latitude, with a temporal resolution of 30 s. The ROTI map with high-precision can not only indicate the area where the GNSS signal is severely affected by the ionosphere, but also provide an optimal strategy for satellite data selection in high-precision positioning applications.
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Acknowledgements
This research was supported by the National Natural Science Foundation of China (41704158). The geomagnetic Dst indices comes from the World Data Center for Geomagnetism, Kyoto, Japan.
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She, C., Liu, H., Yu, J., Zhou, P., Cui, H. (2021). Development of High-Precision Ionospheric Monitoring System in China: Taking ROTI Map as an Example. In: Yang, C., Xie, J. (eds) China Satellite Navigation Conference (CSNC 2021) Proceedings. Lecture Notes in Electrical Engineering, vol 773. Springer, Singapore. https://doi.org/10.1007/978-981-16-3142-9_17
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DOI: https://doi.org/10.1007/978-981-16-3142-9_17
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