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Table 5.
Maximum time derivative of the 1-min horizontal magnetic field and maximum horizontal electric field on 13–14 July 1982 at a few observatories listed from the north to south. The ground conductivity model of block 24 in Table 2 has been used.
| Observatory | |dH/dt| [nT s−1] | |E hor| [V km−1] |
|---|---|---|
| Sodankylä (FI) | 33.3 | 7.78 |
| Nurmijärvi (FI) | 19.9 | 8.04 |
| Lovö (SE) | 44.8 | 8.67 |
| Brorfelde (DK) | 24.5 | 6.79 |
| Wingst (DE) | 8.0 | 2.52 |
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