TY JOUR TI Spatial distribution of total electron content in the Arctic region of Russia from GPS data KW GPS KW ionosphere KW total electron content KW high-latitude trough KW Arctic region JO Solnechno-Zemnaya Fizika AU Perevalova, N.P. AU Romanova, E.B. AU Katashevtseva, D.D. AU Timofeeva, O.V. PY 2015 IS 1 PB INFRA-M Academic Publishing LLC.