Volume 6 Issue 2
Apr.  1986
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Ma Jian-min, Long Qi-li. The Influence of the Great Solar Flare of 24 April 1984 on the Ionospheric Total Electron Content[J]. Chinese Journal of Space Science, 1986, 6(2): 137-142. doi: 10.11728/cjss1986.02.137
Citation: Ma Jian-min, Long Qi-li. The Influence of the Great Solar Flare of 24 April 1984 on the Ionospheric Total Electron Content[J]. Chinese Journal of Space Science, 1986, 6(2): 137-142. doi: 10.11728/cjss1986.02.137

The Influence of the Great Solar Flare of 24 April 1984 on the Ionospheric Total Electron Content

doi: 10.11728/cjss1986.02.137
  • Received Date: 1985-02-02
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1986-04-24
  • Sudden increases of the ionospheric total electron content (TEC) during the great solar flare burst near 2356 UTon 24 April 1984 were simultaneously observed at Xin-xiang (35.3°N, 113.9°E) and Chongqing(29.5°N, 106.4°E) by means of Faraday rotation measurements of the VHFsignals from the Japanese geostationary satellite ETS-II. These sudden increases lasted three and a half minutes, and the values of TECincreases at Xinxiang and Chongqing reached 9.4×1016 and 14.3×1016 ele./m2 respectively. The phenomenon recorded by polarimeters is compared with results from neighbouring ionosondes and VLF phase-locked receiver. The analysis shows that there are appreciable increases of electron density both in the ionospheric D-region and the F-region and the latter is the main part of the sharp TEC increases.

     

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