%0 Conference Article %T LONGITUDINAL INHOMOGENEITIES OF THE IONOSPHERE ELECTRON CONCENTRATION OF THE EURASIA MIDDLE LATITUDES AND THEIR RELATION TO THERMOSPHERIC GAS DISTURBANCES DURING GEOMAGNETIC STORMS UNDER EQUINOX CONDITIONS %A Chernigovskaya, M.A. %A Khabituev, D.S. %A Medvedeva, I.V. %K ionosphere, electron concentration, magnetic storms %J The XXXI International Symposium "Atmospheric and Ocean Optics. Atmospheric Physics" %D 2025 %P 3 %I V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences