Final Global TEC Maps ››
Running Log
- 2021-08-02,10:00:01@IRIS is beginning to process global GNSS data on 7/31,2021(DOY:212).
- 2021-08-02,10:00:01@IRIS is starting to download ephemeris and GNSS data.
- 2021-08-02,10:03:53@Data are downloaded. Time consumption:3.8689 minutes.
- 2021-08-02,10:07:01@Preprocessing is done. Time consumption:3.1182 minutes.
- 2021-08-02,10:42:33@Data processing is completed. Time consumption:35.534 minutes.
- 2021-08-02,10:42:33@Well done. Total consumption:42.536 minutes. IONEX products and web pages will be updated in a few minutes.
- 2021-08-02,10:42:52@IRIS completed product visualization.
- 2021-08-02,10:42:53@IRIS just pushed the latest products and updated the web pages.
- 2021-08-02,10:42:53@Job final is finished. by IRIS 2.0
Run Time Statistics
Precision (Unit:TECU)
| Sigma | Mean residuals | STD residuals | RMS residuals |
| 1.956 | -0.011 | 2.717 | 2.717 |
Global TEC Maps (Unit:TECU)
Global TEC Maps (Unit:TECU)
Satellite DCB (Unit:ns)
Frequency Distribution of Residuals (Unit:%)
Frequency Distribution of Absolute Residuals (Unit:%)
Frequency Distribution of Observed Satellites (Unit:%)
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References
Wang, C., C. Shi*, H. Zhang and L. Fan, Improvement of global ionospheric VTEC maps using the IRI 2012 ionospheric empirical model, Journal of Atmospheric and Solar-Terrestrial Physics Vol. 146, 2016, pp. 186-193.
Wang, C.*, Shi, C.*, Fan, L., & Zhang, H. Improved Modeling of Global Ionospheric Total Electron Content Using Prior Information. Remote Sensing, 2018, 10(1), 63.
Roma-Dollase, D., M. Hernández-Pajares*, A. Krankowski, K. Kotulak, R. Ghoddousi-Fard, Y. Yuan, Z. Li, H. Zhang, C. Shi and C. Wang, et al. Consistency of seven different GNSS global ionospheric mapping techniques during one solar cycle. Journal of Geodesy, 2017.11 (4):1432-1394.