I_Cheon.      ic foF2  glat = 37.1 glon =127.5
Date of issue: 2025.07.04 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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250701   63   94   71_  72_  66   70   72   74   75   76   72   60   72   75   65   67   66   44   59   72   68   68   66   58  
250702   58   72   67   64  135   68   97   71   68   70   69   82   71   79   79   71   65   75   75   63   53   75   65   63  
250703   71_  72_  72_  65   68   72   66   68   66   65   63   56   68   66   72   58   77   78   69   57   57   72   78   77  
250704   77   54  136   73   73   90_  91_  90_  88_  86_  86_  87_  86_  83_  80_  78_  76_  72_  69_  68_  71_  76_  79_  81_