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Kakioka K-index on 07
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 UT    K    Comments
00-02: 2    2: oscillation
03-05: 1    0: calm
06-08: 6    7: SC
09-11: 6    9: main phase
12-14: 4    3: irregular disturbance
15-17: 4    3: irregular disturbance
18-20: 4    3: irregular disturbance
21-23: 3    3: irregular disturbance
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K-sum: 30
K-max: 6
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MAGNE KA072 16644 43207 93333
REMARKS MAGNETIC STORM OCCURRED SUDDENLY AT 0616 AND CONTINUES NOW  AND SO 
FAR RANGE OF H WAS ABOUT 188 NANOTESLAS