The Effect of GNSS Sites Distribution on TEC Derivation

  • Xiaolan WangEmail author
  • Guanyi Ma
  • Qingtao Wan
  • Jinghua Li
  • Jiangtao Fan
  • Jie Zhang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 388)


With worldwide increased Global Navigation Satellite System (GNSS) receivers, it is possible to obtain the ionospheric total electron content (TEC) and hence monitor the ionosphere with GNSS. Using a thin layer assumption of the ionosphere and dual-frequency Global Positioning System (GPS) observations from 16 geomagnetically quiet days in four seasons of 2006, this paper adopts the spherical harmonic model to fit TEC and investigates the effects of two network constitutions on global TEC derivation, one with 275 GPS receivers and the other with 125 GPS receivers. The results show that the data can be well fitted for both network constitutions. The derived TECs are consistent with each other for four seasons. This is especially true for TECs at low- and mid-latitude. The derived satellite and receiver biases are stable during the year. The standard deviation of the satellite and the receiver biases are less than 0.5 and 3 ns, respectively.


GPS TEC Sites distribution Spherical harmonic model 



This work is supported by the National Natural Science Foundation of China (Grant Nos. 11473045, 11403045).


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Copyright information

© Springer Science+Business Media Singapore 2016

Authors and Affiliations

  • Xiaolan Wang
    • 1
    • 2
    Email author
  • Guanyi Ma
    • 1
  • Qingtao Wan
    • 1
  • Jinghua Li
    • 1
  • Jiangtao Fan
    • 1
  • Jie Zhang
    • 1
  1. 1.National Astronomical ObservatoriesChinese Academy of SciencesBeijingChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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