TY JOUR TI Regional electron content responses to geomagnetic events at high, middle, and equatorial latitudes obtained by superposed epoch method using AE index KW ionospheric response KW geomagnetic storm KW statistics KW superposed epoch method KW AE index JO Solnechno-Zemnaya Fizika AU Ratovsky, K.G. AU Klimenko, M.V. AU Vesnin, A.M. AU Belyuchenko, K.V. PY 2025 IS 11 PB INFRA-M Academic Publishing LLC.