Articles | Volume 35, issue 3
https://doi.org/10.5194/angeo-35-403-2017
https://doi.org/10.5194/angeo-35-403-2017
Regular paper
 | 
15 Mar 2017
Regular paper |  | 15 Mar 2017

High-order ionospheric effects on electron density estimation from Fengyun-3C GPS radio occultation

Junhai Li and Shuanggen Jin

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In this paper, we discuss the higher-order ionospheric effects on electron density estimation. We estimate the higher-order ionospheric effect carefully and obtain some conclusions. The results show that the second-order ionospheric effects cannot be ignored in precise ionospheric electron density estimation. The azimuth, the solar activity, and the occultation time and position are the main effect factors of the high-order ionospheric delay which we should consider.