Fig. 12.From: ULF waves in the outer magnetosphere: Geotail observation 1 transverse wavesGTL data obtained on the dusk side and ground magnetic activity on August 20 and December 13, 1999. PC indices of four stations, RES, IQA, BLC and CBB, and of DRV, DVS, IQA and BLC are depicted for August 20 and December 13, respectively.Back to article page