Grahamstown.  gr TEC   glat =-33.3 glon = 26.5
Date of issue: 2026.05.04 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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260501   60   65   66   58   50  103  196  271  331  371  384  401  414  385  333  260  164   89   68   70   73   75   72   73  
260502   65   60   64   61   57  100  167  223  275  313  337  357  345  350  328  248  153   85   62   63   67   67   69   66  
260503   54   56   58   55   52   95  165  217  274  292  291  311  355  350  304  223  146   90   71   69   71   65   61   61
260504   62   63   59   53   61   99  165  236  291  322  344  364  379  370  324  249  168  104   72   65   69   70   66   62