I_Cheon.      ic foF2  glat = 37.1 glon =127.5
Date of issue: 2026.05.09 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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260501   75   71   91   94   98   91   99  110   92   80   76   78   78   77   72   67   59   58   56   57   58   79   93   91  
260502   83   85   83   93   94   99  107  110   96   86   89   94   79   73   72   66   68   65   47   63   50   68   81   81  
260503   78   85   84   92   90   96  100  106   99   91   89   86   82   72   70   42   64   60   52   52   57   70   82   84  
260504   88   84   81   89   99   98  100  105  104  104  104   99   89   78   78   74   70   72   61   50   48   51   67   58  
260505   72   74   74   87   84   89   94   90   87   82   86   87   80   62   38   62   58   58   55   64   64   62   81   87  
260506   81   86   84   84   89   87   93   98  101  103  105   92   45   70   66   58   68   58   62   57   56   65   84   85  
260507   77   82   80   86   87   90   90   93   91   90   85   87   83   77   73   71   73   68   58   57   56   80   70   68  
260508   83   88   86   89  100   93_  88_  85_  85_  87_  89_  89_  84_  79_  76_  70_  65_  63_  61_  61_  63_  74_  76_  73_ 
260509   82_  85_  87_  89_  89_  89_  88_  87_  86_  86_  85_  83_  78_  73_  69_  67_  66_  64_  62_  61_  64_  69_  74_  78_