Radiophysics and Quantum Electronics

, Volume 60, Issue 8, pp 618–639 | Cite as

First Joint Observations of Radio Aurora by the VHF and HF Radars of the ISTP SB RAS

  • O. I. Berngardt
  • V. P. Lebedev
  • K. A. Kutelev
  • D. S. Kushnarev
  • K. V. Grkovich

Two modern radars for diagnosis of the ionosphere by the radio-wave backscattering method, namely, the Irkutsk incoherent scatter radar at VHF (IISR, 154–162 MHz) and the Ekaterinburg coherent radar at HF (EKB, 8–20 MHz) are operated at the Institute of Solar-Terrestrial Physics, Siberian Branch of the Russian Academy of Sciences (ISTP SB RAS). The paper analyzes the results of joint observations of strong scattering (radio aurora) on June 8, 2015. To determine the geographical position of the radio aurora, we developed original methods that take into account both the features of the radio-wave propagation and the features of the radar antenna systems. It is shown that there are areas where the spatial position of the HF and VHF radio aurora can coincide. This permits using the radars as a single complex for diagnosis of the characteristics of small-scale high-latitude irregularities in the ionospheric E and F layers. A comparative analysis of the characteristics and temporal dynamics of the radio-aurora region in the HF and VHF ranges is performed. Using the DMSP satellite data, it has been shown that the radio aurora dynamics during this experiment with the EKB radar can be related with the spatial dynamics of the localized area with high electric field, which moves from high to equatorial latitudes. It is found that due to the broader field of view, radio aurora at the HF radar was stably observed 6–12 min earlier than at the VHF radar. This permits using the EKB radar data for prediction of the radio-aurora detection by the IISR radar.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • O. I. Berngardt
    • 1
  • V. P. Lebedev
    • 1
  • K. A. Kutelev
    • 1
  • D. S. Kushnarev
    • 1
  • K. V. Grkovich
    • 1
  1. 1.Institute of Solar-Terrestrial PhysicsSiberian Branch of the Russian Academy of SciencesIrkutskRussia

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