Hi, 2019!

Ultra Global TEC Maps ››

Running Log

  • 2019-04-24,02:00:01@IRIS is beginning to process global GNSS data on 4/23,2019(DOY:113).
  • 2019-04-24,02:00:02@IRIS is starting to download ephemeris and GNSS data.

Run Time Statistics

Precision (Unit:TECU)

Sigma Mean residuals STD residuals RMS residuals
1.476 0.035 2.263 2.263

Global TEC Maps (Unit:TECU)

GIM

Global TEC Maps (Unit:TECU)

Satellite DCB (Unit:ns)

GIM,DCB

Frequency Distribution of Residuals (Unit:%)

residuals

Frequency Distribution of Absolute Residuals (Unit:%)

residuals

Frequency Distribution of Observed Satellites (Unit:%)

Satellites

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Focus and concentration on studying ionospheric models. Implementation service of ionospheric delay correction for satellite navigation and wide-area, local-area augmentation system. A basis paltform for exploring the change rules and physical mechanism of the ionosphere.

To understand the structure and change rules of the ionosphere; To reduce the space environment risk of satellite lauch; To improve the performance of satellite navigation system and radar; To increase the reliability of radio communications; To strengthen early warning and forecasting of earthquake and tsunami.