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Table 4
Maximum and minimum percentage deviations of modelled 3-hourly index sensitivities, S, from unity for selected years and middle and low geomagnetic activity levels.
| Index | S | Year | Largest percent deviations of sensitivity from mean |
|||
|---|---|---|---|---|---|---|
| 10 ≤ am < 20 nT |
60 ≤ am < 110 nT |
|||||
| Min | Max | Min | Max | |||
| am | Sam | 2014 | −2.59% | +2.84% | −0.49% | +0.49% |
| aa | Saa | 2010 | −16.7% | +12.7% | −16.1% | +11.8% |
| aa | Saa | 1970 | −18.5% | +12.8% | −17.7% | +11.9% |
| aa | Saa | 1930 | −18.4% | +12.9% | −18.6% | +12.1% |
| aa | Saa | 1890 | −18.5% | +12.9% | −18.9% | +12.1% |
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