I_Cheon.      ic foF2  glat = 37.1 glon =127.5
Date of issue: 2025.07.02 Time:11UT
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   95_  99_  99_  95_  90_  89_  90_  87_  80_  74_  71_  71_  71_  73_  73_  71_  71_  74_  75_