Fig. 2From: Spatial scale of geomagnetic Pc5/Pi3 pulsations as a factor of their efficiency in generation of geomagnetically induced currentsEvent 1 Pulsations recorded in the geomagnetic field and GIC on day 2015 060. a aveforms of \(B_Y\) pulsations at KEV (magenta) and GIC at VKH (dark blue); b normalized PSD spectra; c \(B-I\) spectral coherence for \(B_Y\) (solid line) and \(B_X\) - (dashed); d GIC to \(B_Y\) PSD ratioBack to article page