Open Access
Research Article

Table 1.

Numbers of SEP events by solar hemisphere.

SEP event class East hem West hem Total
No SEP or SEP < 10 pfu 229 204 433
SEP < 10 pfu (small) 11 21 32
SEP ≥ 10 pfu (NOAA) 18 57 75
SEP ≥ 300 pfu 5 26 31

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