Final Global TEC Maps ››
Running Log
- 2021-05-09,10:00:01@IRIS is beginning to process global GNSS data on 5/7,2021(DOY:127).
- 2021-05-09,10:00:02@IRIS is starting to download ephemeris and GNSS data.
- 2021-05-09,10:07:59@Data are downloaded. Time consumption:7.9572 minutes.
- 2021-05-09,10:12:28@Preprocessing is done. Time consumption:4.4802 minutes.
- 2021-05-09,11:28:01@Data processing is completed. Time consumption:75.535 minutes.
- 2021-05-09,11:28:01@Well done. Total consumption:87.990 minutes. IONEX products and web pages will be updated in a few minutes.
- 2021-05-09,11:28:25@IRIS completed product visualization.
- 2021-05-09,11:28:29@IRIS just pushed the latest products and updated the web pages.
- 2021-05-09,11:28:29@Job final is finished. by IRIS 2.0
Run Time Statistics
Precision (Unit:TECU)
| Sigma | Mean residuals | STD residuals | RMS residuals |
| 1.750 | 0.027 | 2.593 | 2.593 |
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.