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Kakioka K-index on 20
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 UT    K    Comments
00-03: 2    2: oscillation
03-06: 4    3: irregular disturbance
06-09: 6    7: SC
09-12: 4    3: irregular disturbance
12-15: 5    3: irregular disturbance
15-18: 4    3: irregular disturbance
18-21: 2    2: oscillation
21-24: 3    3: irregular disturbance
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K-sum: 30
K-max: 6
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MAGNE KA202 46454 23237 33323
REMARKS MAGNETIC STORM OCCURRED SUDDENLY AT 0603 AND ENDED AT ABOUT 21// AND 
RANGE OF H WAS ABOUT 113 NANOTESLAS