Geomagnetic activity during the Sun-Earth connection events on April 1999 and February 2000

Abstract

Contents of this paper were reviewed by the Technical Committee of the 10 th International Congress of the Brazilian Geophysical Society and do not necessarily represent any position of the SBGf, its officers or members. Electronic reproduction, or storage of any part of this paper for commercial purposes without the written consent of the Brazilian Geophysical Society is prohibited.