TY JOUR TI First results of registering ionospheric disturbances obtained with SibNet network of GNSS receivers in active space experiments KW ionosphere KW GNSS KW SibNet KW Progress JO Solar-Terrestrial Physics AU Ishin, A.B. AU Perevalova, N.P. AU Voeykov, S.V. AU Khakhinov, V.V. PY 2017 IS 3 PB INFRA-M Academic Publishing LLC.