[IGSMAIL-4683]: Exceptionally high TEC levels on days 302 and 303

[Stefan Schaer]

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IGS Electronic Mail      05 Nov 05:27:40 PST 2003      Message Number 4683
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Author: Stefan Schaer

The extremely high CME (coronal mass ejection) activity had a  
remarkable impact on the ionospheric TEC. Peak VTEC levels clearly  
above 200 TECU could be observed for a short time on days 302  
and 303 (29 and 30 October 2003): 
 
  http://www.aiub.unibe.ch/ionosphere/gim_cme.gif 
 
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