Fig. 27From: The science case for the EISCAT_3D radarObserved GICs at the Rauma 400-kV transformer and in the Nurmijärvi-Loviisa 400-kV power line, both in Finland, and the magnetic field as measured at Nurmijärvi on February 26, 1992 (Viljanen et al. 1999)Back to article page