[SFDXA] SUMMARY: Geomagnetic Sudden Impulse

[Bill]

Space Weather Message Code: SUMSUD
Serial Number: 227
Issue Time: 2021 Mar 24 2040 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2021 Mar 24 2016 UTC
Deviation: 17 nT
Station: NGK

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