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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 22, issue 2
Ann. Geophys., 22, 405-415, 2004
https://doi.org/10.5194/angeo-22-405-2004
© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 22, 405-415, 2004
https://doi.org/10.5194/angeo-22-405-2004
© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.

  01 Jan 2004

01 Jan 2004

Latitudinal variations of TEC over Europe obtained from GPSobservations

P. Wielgosz3,1, L. W. Baran1, I. I. Shagimuratov2, and M. V. Aleshnikova2 P. Wielgosz et al.
  • 1Insitute of Geodesy, University of Warmia and Mazury, Olsztyn, Poland
  • 2ZO IZMIRAN, Kaliningrad, Russia
  • 3Department of Civil and Environmental Engineering and Geodetic Science, Ohio State University, USA

Abstract. GPS technique has opened broad possibilities to study the TEC distribution on a regular basis. In this paper, the latitudinal dependence of TEC over Europe for geographic latitudes ranging from 40°N to 75°N is presented. We discuss the day-to-day variations of the latitudinal TEC profiles for a period of 1999 to 2001 for both quiet and disturbed magnetic conditions. More than 4300 TEC profiles were created from the TEC maps with a one-hour interval. GPS data from 65 European permanent stations were used to produce the TEC maps. The comparison of GPS-derived TEC profiles with the IRI model is also discussed.

Key words. Ionosphere (mid-latitude ionosphere; ionospheric disturbances)

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