Fig. 8

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Upper panel: Vertical TEC of the plasmasphere from 1000 km (red line) and 2000 km (black dotted line) upward as a function of geographic latitudes along the geographic longitude λ = 0° E for low and high solar activity conditions. Lower panel: Global maps of PEC at 14:00 UT under low (F10.7 = 90) and high solar activity conditions (F10.7 = 190).
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