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Kakioka K-index on 22
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 UT    K    Comments
00-03: 1    0: calm
03-06: 4    6: impulsive disturbances
06-09: 4    3: irregular disturbance
09-12: 3    3: irregular disturbance
12-15: 4    3: irregular disturbance
15-18: 4    3: irregular disturbance
18-21: 7    7: SC
21-24: 4    3: irregular disturbance
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K-sum: 31
K-max: 7
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MAGNE KA221 44344 74063 33373
REMARKS IMPULSIVE DISTURBANCE OCCURRED AT 0544.
MAGNETIC STORM OCCURRED SUDDENLY AT 1833 AND CONTINUES NOW AND SO FAR RANGE 
OF H WAS ABOUT 163 NANOTESLAS