I_Cheon.      ic foF2  glat = 37.1 glon =127.5
Date of issue: 2025.05.04 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  101  102  105  111  108  107  113  109  109  108  104   90   80   81   81   86   84   72   58   65   56   78   83   86  
250502   79   88   91  101  106  108  111   99   91   86   89   88   83   82   76   75   64   51   53   63   58   60   55   49  
250503   54  136   59   60   69   71   73   78   75   79   85   84   79   57   66   61   70   58   53   56   54   57   58   69  
250504   65   71   78   88   96  101_ 101_  98_  96_  94_  93_  92_  89_  86_  84_  84_  84_  83_  82_  81_  82_  83_  85_  88_