%0 Journal Article %T Ionospheric influences on GPS signals in terms of range delay %A Mansoori, A.. %A Khan, P.. %A Atulkar, R.. %A Purohit, P.K. %A Gwal, A.K. %K Ionosphere, range delay, TEC, geomagnetic storm %J Russian Journal of Earth Sciences %D 2015 %N 15 %P 8 %I Geophysical Center of the Russian Academy of Sciences