TY JOUR TI Retrospective analysis of long-term regional features of the dynamic regime of the ionosphere over the south of Eastern Siberia KW ionospheric dynamics KW spaced-receiver method KW long-term variations KW seasonal variations KW lower and upper ionosphere KW statistical data analysis JO Solar-Terrestrial Physics AU Khabituev, D.S. AU Chernigovskaya, M.A. PY 2023 IS 9 PB INFRA-M Academic Publishing LLC.