TY JOUR TI Registration of ionospheric effect of 20 March 2015 solar eclipse from GPS data in single-frequency mode KW GPS KW ionosphere KW single-frequency measurements KW solar eclipse KW TEC JO Solnechno-Zemnaya Fizika AU Gorbachev, O.A. AU Ivanov, V.B. AU Kholmogorov, A.A. PY 2015 IS 1 PB INFRA-M Academic Publishing LLC.