TY JOUR TI Diurnal, seasonal, annual, and semi-annual variations of ionospheric parameters at different latitudes in East Asian sector during ascending phase of solar activity KW ionosphere at different latitudes KW diurnal-seasonal variations KW annual and semi-annual variations KW solar activity KW ionospheric parameters KW East Asian sector. JO Solar-Terrestrial Physics AU Wang, Z.. AU Shi, J.. AU Wang, G.. AU Wang, X.. AU Zherebtsov, G.A. AU Romanova, E.B. AU Ratovsky, K.G. AU Polekh, N.M. PY 2017 IS 3 PB INFRA-M Academic Publishing LLC.