Mesoscale ionospheric electrodynamics of omega bands determined from ground-based electromagnetic and satellite optical observations

  • O. Amm
  • A. Aksnes
  • J. Stadsnes
  • N. Østgaard
  • N. Østgaard
  • R. R. Vondrak
  • G. A. Germany
  • G. Lu
  • A. Viljanen
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Publication date
February 2005
Publisher
Copernicus GmbH
Journal
Annales Geophysicae

Abstract

We present ground-based electromagnetic data from the MIRACLE and BEAR networks and satellite optical observations from the UVI and PIXIE instruments on the Polar satellite of an omega band event over Northern Scandinavia on 26 June 1998, which occured close to the morning side edge of a substorm auroral bulge. Our analysis of the data concentrates on one omega band period from 03:18-03:27 UT, for which we use the method of characteristics combined with an analysis of the UVI and PIXIE data to derive a time series of instantaneous, solely data-based distributions of the mesoscale ionospheric electrodynamic parameters with a 1-min time resolution. In addition, the AMIE method is used to derive global Hall conductance patterns....

Extracted data

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