Fig. 2From: Modulation of the ionosphere by Pc5 waves observed simultaneously by GPS/TEC and EISCATMulti-instrument observations of Pc5 waves during October 31, 1100–1330 UT: a X component (in nT) of geomagnetic pulsations at KIR, b detrended (with a 1-mHz cutoff frequency) TEC fluctuations (in TECu) along radio paths GPS7/KIRU (dotted line) and GPS9/KIRU (solid line), c EISCAT N e fluctuations at h = 110 km; and d cosmic noise absorption from KIL riometerBack to article page