Attenuation of decameter wavelength sky noise during x-ray solar flares in 2013–2017 based on the observations of midlatitude HF radars by Berngardt, O.I., Ruohoniemi, J.M., Nishitani, N., Shepherd, S.G., Bristow, W.A., Miller, E.S.

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Dynamics of vertical ionospheric inhomogeneities over Irkutsk during 06:00–06:20UT 11/03/2011 caused by Tohoku earthquake by Berngardt, O.I., Kotovich, G.V., Mikhailov, S.Ya, Podlesnyi, A.V.

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Comparison of the TEC-based ionospheric disturbance indices AATR and WTEC by Berngardt, O.I., Voeykov, S.V., Perevalova, N.P.

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Synthesis of Symmetric Sounding Sequences for Ekaterinburg Coherent Decameter Radar by Berngardt, O. I., Grkovich, K. V., Fedorov, R.R.

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First Joint Observations of Radio Aurora by the VHF and HF Radars of the ISTP SB RAS by Berngardt, O. I., Lebedev, V. P., Kutelev, K. A., Kushnarev, D. S., Grkovich, K. V.

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Geophysical phenomena accompanying the Chelyabinsk meteoroid impact by Berngardt, O. I., Dobrynina, A. A., Zherebtsov, G. A., Mikhalev, A. V., Perevalova, N. P., Ratovskii, K. G., Rakhmatulin, R. A., San’kov, V. A., Sorokin, A. G.

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Bistatic Sounding of High-Latitude Ionospheric Irregularities Using a Decameter EKB Radar and an UTR-2 Radio Telescope: First Results by Berngardt, O. I., Kutelev, K. A., Kurkin, V. I., Grkovich, K. V., Yampolsky, Yu. M., Kashcheyev, A. S., Kashcheyev, S. B., Galushko, V. G., Grigorieva, S. A., Kusonsky, O. A.

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The technique of coherent echo processing in the approximation of a small number of point scatterers by Grkovich, K. V., Berngardt, O. I.

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An investigation of ionospheric disturbances over the north-eastern region of Russia in October 2003 using auroral images and data from a network of ground-based instruments by Kurkin, V.I., Afraimovich, E.L., Berngardt, O.I., Zherebtsov, G.A., Litovkin, G.I., Matyushonok, S.M., Medvedev, A.V., Potekhin, A.P., Ratovsky, K.G., Shpynev, B.G., Voeykov, S.V.

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Investigation of the earth's upper atmosphere using the irkutsk incoherent scatter radar by Zherebtsov, G.A., Berngardt, O.I., Khakhinov, V.V., Kurkin, V.I., Nosov, V.E., Potekhin, A.P., Shpynev, B.G., Zavorin, A.V.

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