Delivered-To: igsmail@igscb.jpl.nasa.gov Date: Wed, 05 Nov 2003 14:27:36 +0100 From: Stefan Schaer Subject: [IGSMAIL-4683]: Exceptionally high TEC levels on days 302 and 303 To: igsmail Message-id: <3FA8FAC8.E8A492F8@aiub.unibe.ch> Organization: Astronomical Institute, University of Berne Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 05 Nov 05:27:40 PST 2003 Message Number 4683 ****************************************************************************** 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 ----------------------------------------------------------------------- How does the Earth's ionosphere currently develop? Look at http://www.aiub.unibe.ch/ionosphere/