Seasonal variations of hydrogen ions fraction in the topside ionosphere over Ukraine according to the incoherent scattering technique data and comparison with IRI-2012 model data.... von D. V. Kotov

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Variations of Plasma Temperatures in Ionosphere over Kharkiv During Extreme Solar Minimum von M. N. Sjusjuk, D. V. Kotov, L. F. Chernogor, A. V. Bogomaz

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Variations of Plasma Temperatures in Ionosphere Over Kharkiv in the Solar Activity Growth Phase von M. N. Sjusjuk, D. V. Kotov, L. F. Chernogor, A. V. Bogomaz

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Simultaneous Ionosonde Investigations of the Ionospheric F2 Layer Critical Frequency and Peak Height at Both Ends of the Geomagnetic Tube von S. V. Panasenko, T. H. Zhyvolup, D. V. Kotov, O. V. Koloskov, V. M. Lysachenko

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Investigation of the Ionosphere over Antarctica Under Quiet Space Weather Conditions: Results of Vertical Sounding of the Ionosphere September 14–24, 2020 von M. O. Shulha, O. V. Bohomaz, D. V. Kotov, T. H. Zhyvolup, O. V. Koloskov, A. V. Zalizovskyi, V. M. Lysachenko

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Ionospheric response to the February 27, 2023 intense geomagnetic storm over Kharkiv and the Akademik Vernadsky station von M. O. Reznychenko, D. V. Kotov, O. V. Bogomaz, T. G. Zhivolup, A. I. Reznychenko, A. V. Zalizovski, O. V. Koloskov, V. M. Lisachenko, D. A. Dzyubanov

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