%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 , .. %A , .. %A , .. %A , .. %A , .. %A , .. %A , .. %K total electron content, GPS monitoring, Hector Mine earthquake, earthquake precursors. %J Russian Journal of Earth Sciences %D 2004 %N 6 %P 15 %I Геофизический центр Российской Академии Наук