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Kakioka K-index on 20
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 UT    K    Comments
00-03: 1    0: calm
03-06: 1    0: calm
06-09: 2    2: oscillation
09-12: 2    2: oscillation
12-15: 3    3: irregular disturbance
15-18: 4    3: irregular disturbance
18-21: 3    5: bay disturbance
21-24: 1    0: calm
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K-sum: 17
K-max: 4
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MAGNE KA201 12234 31002 23350
REMARKS POSITIVE BAY OCCURRED FROM 1746 TO 1929 AND RANGE OF H WAS ABOUT 23 
NANOTESLAS