Auroral activity caused by high-power radioemission from the SURA facility

Abstract : A series of experimental modifications of the ionosphere in the HF range, performed at the SURA facility base, together with optical measurements onboard the International Space Station (ISS), indicated that such impacts on the ionosphere are effective when the facility operational frequency is higher than the critical plasma frequency (for the main ionospheric F2 layer). The experimental measurements were supported by measurements at ground-based observatories, ISS, and the Demeter and GPS satellites. The analysis results of the entire data set are presented. The ray HF radio tracing for the experiment of October 2, 2007, has been calculated, and it has been indicated that the ionosphere to the north of the facility up to 60°–62° N latitudes was irradiated by the facility beam (the effects of ray redistribution and refocusing) due to refraction on the gradient of the F2 layer critical frequencies. An analysis of the ground-based and satellite measurements (both in the vicinity of a heater and in the magnetically conjugate region) indicates that it is possible to trigger a substorm in experiments with the Sura heating facility.
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Yu. Ya. Ruzhin, V. D. Kuznetsov, Yu. A. Plastinin, V. L. Frolov, Michel Parrot, et al.. Auroral activity caused by high-power radioemission from the SURA facility. Geomagnetism and Aeronomy, MAIK Nauka/Interperiodica, 2013, 53 (1), pp.43-48. ⟨10.1134/S0016793213010167⟩. ⟨insu-01291219⟩



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