Grahamstown.  gr TEC   glat =-33.3 glon = 26.5
Date of issue: 2025.09.03 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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250901   84   84   80   78   81  147  230  302  391  435  471  468  466  443  409  368  290  198  138  116  100   88   83   80  
250902   85   84   77   72   81  146  192  260  365  444  505  476  438  406  385  358  270  177  132  114  102   92   86   87
250903   80   81   70   62   82  139  216  295  369  434  475  481  457  423  390  344  276  196  136  108  100   90   77   74