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Kakioka K-index on 15
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 UT    K    Comments
00-03: 2    2: oscillation
03-06: 2    2: oscillation
06-09: 4    7: SC
09-12: 6    9: main phase
12-15: 5    3: irregular disturbance
15-18: 4    3: irregular disturbance
18-21: 3    3: irregular disturbance
21-24: 3    3: irregular disturbance
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K-sum: 29
K-max: 6
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MAGNE KA152 24654 33227 93333
REMARKS MAGNETIC STORM OCCURRED SUDDENLY AT 0829 AND CONTINUES NOW AND SO 
FAR RANGE OF H WAS ABOUT 145 NANOTESLAS