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Performance Analysis of Ionosphere Monitoring with BeiDou CORS Observational Data

  • Weiming Tang (a1), Lei Jin (a1) and Kun Xu (a1)

Abstract

This paper focuses on the performance analysis of ionosphere monitoring using the measurements from a BeiDou Continuously Operating Reference Stations (CORS) network. Combined pseudo-range and carrier phase observations are used to estimate total electron content (TEC) and the hardware delay deviation is also computed. Using the observations from five BeiDou CORS in China, the TEC monitoring results were obtained from each station and compared with GPS monitoring results and also those from the Global Ionosphere Maps (GIM) model. Numerical computation shows that the BeiDou system has the ability to precisely detect the TEC diurnal variation trend on each station. The Residual Mean Square (RMS) difference between the BeiDou and the GIM model at a higher latitude station is about four TEC Units (TECU), while the RMS difference between the GPS and the GIM is about three TECU; at a lower latitude station this difference increases to six TECU for BeiDou and four TECU for the Global Positioning System (GPS); at the lowest latitude station in this study, the differences for both systems are about six TECU.

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References

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Keywords

Performance Analysis of Ionosphere Monitoring with BeiDou CORS Observational Data

  • Weiming Tang (a1), Lei Jin (a1) and Kun Xu (a1)

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