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Table 2

Sum of the absolute values of GIC (A) due to a uniform electric field (1 V/km) at the substations in the model grids. Four cases of the field are considered: northward, eastward, the field in the direction (αmin, αmax) producing the smallest and largest sums of GIC. The direction is measured in degrees clockwise from the north.

North East Min αmin Max αmax
Finland 1978–1979 657 722 624 16 747 118
Finland 2016 1465 1424 1401 76 1568 136
Nordic 6868 6653 6638 83 6938 23

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