Are the sunspots really vanishing? - Anomalies in solar cycle 23 and implications for long-term models and proxies | Journal of Space Weather and Space Climate

Open Access

Fig. 9

Close-up view of the compared evolution of R_i and F_10.7 over the last decade (same layout as Figs. 1 and 2). It shows the apparent recovery of the ratio between those indices after the onset of cycle 24, although the ratio has not returned yet exactly to the pre-2000 value.

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