Critical Frequency foF2 Variations at Korhogo Station from 1992 to 2001 Prediction with IRI-2012

Figure 9

ΔfoF2 variations under recurrent activity for solar minimum (a), maximum solar (b), and decreasing phase (c). Full curves and dashed curves are the relative deviation of foF2 respectively with URSI and CCIR.

(a)

(b)

(c)