%0 Journal Article %T Variations of the total electron content in the ionosphere from GPS data recorded during the Hector Mine earthquake of October 16, 1999, California %A Afraimovich, E.L. %A Astafieva, E.I. %A Gokhberg, M.B. %A Lapshin, V.M. %A Permyakova, V.E. %A Steblov, G.M. %A Shalimov, S.L. %K total electron content, GPS monitoring, Hector Mine earthquake, earthquake precursors. %J Russian Journal of Earth Sciences %D 2004 %N 6 %P 15 %I Geophysical Center of the Russian Academy of Sciences