Yamagawa.     yg foF2  glat = 29.2 glon =129.6
Date of issue: 2025.05.02 Time:10UT
YYMMDD|UT 0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23
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250501  117_ 125_ 134_ 143_ 149_ 152_ 153_ 152_ 148_ 142_ 134_ 127_ 122_ 116_ 111_ 109_ 108_ 104_  97_  88_  86_  93_ 103_ 111_ 
250502  116_ 124_ 134_ 142_ 148_ 151_ 153_ 152_ 148_ 140_ 132_ 126_ 121_ 117_ 112_ 110_ 109_ 106_  98_  88_  85_  92_ 102_ 110_