Guangzhou.    gu TEC   glat = 23.1 glon =113.4
Date of issue: 2024.07.02 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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240701  473  512  554  629  670  748  736  718  706  713  721  681  597  593  531  534  497  511  432  333  283  255  285  356
240702  411  446  473  518  582  635  656  657  662  672  665  628  579  543  527  513  486  445  395  339  288  266  291  352