Guam.         gg TEC   glat = 13.6 glon =144.9
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  394  436  464  494  538  555  561  535  530  486  404  321  255  204  172  138  116  113  109  109  140  212  262  307
250702  385  417  453  489  512  522  526  524  506  457  384  306  243  197  162  135  118  109  107  117  151  212  284  344