Open Access

Table 1

Best-fit coefficients used to derive modelled patterns of geomagnetic activity.

Index c ψ cPM for the northern polar cap cPM for the southern polar cap
am 0.78 0.10 0.11
(dawn) 0.85 0.09 0.09
(noon) 0.50 0.29 0.33
(dusk) 0.80 0.22 0.28
(midn) 0.85 0.22 0.25

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