Some Results of Photometric Measurements of Ionospheric Artificial Airglow at 557.7 and 630 nm Lines of Atomic Oxygen Caused by High-Frequency Radio Emission of the SURA Facility d... von Beletsky, Alexander B., Tkachev, Ivan D., Nasyrov, Igor A., Grach, Savely M., Kogogin, Denis A., Shindin, Alexey V., Vasilyev, Roman V.

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Effects of September 5–12, 2017 solar flares on regional disturbance of Earth’s ionosphere as recorded by GNSS stations located in the Volga Federal District of the Russian Federat... von Maksimov D. S., Kogogin D. A., Nasyrov I. A., Zagretdinov R. V.

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Effects of 7September 5–12, 2017 solar flares on regional disturbance of Earth’s ionosphere as recorded by GNSS stations located in the Volga Federal District of the Russian Federa... von Maksimov, Denis, Kogogin, Denis, Nasyrov, Igor, Zagretdinov, Renat

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