Correlation coefficients between the time series of globally averaged F2 peak parameters derived from radio occultations, the sunspot number R, and the solar flux F10.7 as indicators for the solar activity.
| NmF2F3C | hmF2F3C | R | F10.7 | |
|---|---|---|---|---|
| NmF2F3C | 1.0 | 0.92 | 0.83 | 0.89 |
| hmF2F3C | 1.0 | 0.87 | 0.88 | |
| R | 1.0 | 0.94 | ||
| F10.7 | 1.0 |
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