Figure 8From: Ionospheric current contribution to the main impulse of a negative sudden impulseMLT variations. (a) MI amplitude, ΔH; (b) estimate of magnetic field variations due to magnetopause currents, ΔHMP; and (c) residual field, ΔH − ΔHMP. For stations with geomagnetic latitudes between 60°S and 65°N.Back to article page