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Mapping the Ionospheric F Region by Means of Satellite Tomography

  • Tomography and occultation
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Acta Geodaetica et Geophysica Hungarica Aims and scope Submit manuscript

Abstract

In November 1995 a satellite tomography campaign was arranged in Scandinavia using a chain of four receivers extending from Tromsø in northern Norway to a receiving site close to Helsinki, Finland. Difference Doppler measurements were carried out by receiving signals from Russian navigational satellites flying approximately parallel to the chain. Electron density maps on the vertical plane between the satellites and the receivers were then calculated from these observations by means of stochastic inversion. The data set consists of 257 satellite passes during a period of 16 days. A computer video showing the meridional section of the F region above Scandinavia has been produced by interpolating the inversion results to 30-min time resolution. In this paper a set of selected observations is shown indicating the great variation of the auroral and sub-auroral F region with local time as well as with geomagnetic activity.

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Authors and Affiliations

  1. Department of Physical Sciences, University of Oulu, FIN-90570, Oulu, Finland

    T. Nygrén

  2. Polar Geophysical Institute, 15 Khalturina, 183023, Murmansk, Russia

    E. D. Tereshchenko, B. Z. Khudukon & O. V. Evstafiev

  3. Sodankylä Geophysical Observatory, FIN-99600, Sodankylä, Finland

    M. Lehtinen & M. Markkanen

Authors
  1. T. Nygrén
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  2. E. D. Tereshchenko
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  3. B. Z. Khudukon
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  4. O. V. Evstafiev
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  5. M. Lehtinen
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  6. M. Markkanen
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Nygrén, T., Tereshchenko, E.D., Khudukon, B.Z. et al. Mapping the Ionospheric F Region by Means of Satellite Tomography. Acta Geod. Geoph. Hung 32, 395–405 (1997). https://doi.org/10.1007/BF03325509

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  • DOI: https://doi.org/10.1007/BF03325509

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