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Radiowave fluctuations in the polar ionosphere on the satellite-to-satellite paths under high solar activity

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Abstract

We analyze ionospheric fluctuations of decimeter radio waves on occultation polar paths between the navigational GPS satellites and the satellite CHAMP. Time dependences of the variance of the signal amplitude and amplitude fluctuation spectra under high solar activity in October–November 2003 are presented. The behavior of the signal amplitude fluctuations during occultation ionospheric sounding in the polar regions in different time of the day and in the equatorial regions in the daytime are considered. Radio-wave fluctuations are related to the solar-activity manifestations. It is shown that during strong solar-flare activity, intense small-scale plasma irregularities are excited in the polar ionosphere.

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Authors and Affiliations

  1. Institute of Radio Engineering and Electronics of the Russian Academy of Sciences, Fryazino, Russia

    O. I. Yakovlev, S. S. Matyugov & V. A. Anufriev

  2. Geophysical Research Center, Potsdam, Germany

    J. Wickert

Authors
  1. O. I. Yakovlev
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  2. J. Wickert
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  3. S. S. Matyugov
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  4. V. A. Anufriev
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 49, No. 3, pp. 185–193, March 2006.

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Yakovlev, O.I., Wickert, J., Matyugov, S.S. et al. Radiowave fluctuations in the polar ionosphere on the satellite-to-satellite paths under high solar activity. Radiophys Quantum Electron 49, 167–173 (2006). https://doi.org/10.1007/s11141-006-0048-7

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  • DOI: https://doi.org/10.1007/s11141-006-0048-7

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