Open Access
Table 3
Events per 11-year solar cycle, average event duration, total duration per 11-year solar cycle, and equivalent absorption at 30 MHz for absorption (SWF, AA, and PCA) and PCA events.
| Absorption |
PSD |
Total |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SWF |
AA |
PCA |
||||||||
| MOD | SEV | MOD | SEV | MOD | SEV | MOD | SEV | MOD | SEV | |
| Events per 11-year solar cycle | 123 | 5 | 20 | 2 | 24 | 13 | 200 | 56 | – | – |
| Average event duration (hours) | 1.1 | 2.2 | 5.1 | 12 | 7.85 | 39.18 | 5.47 | 8.54 | – | – |
| Total duration per 11-year solar cycle (hours) | 135.3 | 11.0 | 102.0 | 24.0 | 188.4 | 509.34 | 1093 | 478.5 | 1518.7 | 1022.84 |
| Equivalent Absorption at 30 MHz (dB) | <3.6 | >3.6 | 4.3 | 13.8 | 2 | 5 | – | – | – | – |
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