Research Article

Seasonal, Diurnal, and Solar-Cycle Variations of Electron Density at Two West Africa Equatorial Ionization Anomaly Stations

Figure 4

Diurnal variation of foF2 at Ouagadougou station (left panels) and at Dakar station (right panels). Panel (a) concerns solar-cycle 31 and panel (b) solar-cycle 22.
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(a)
640463.fig.004b
(b)