Beijing.      bp TEC   glat = 40.0 glon =116.3
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  218  233  246  263  272  271  267  258  254  252  239  244  249  248  234  216  199  188  183  175  170  198  208  214
250702  223  227  238  251  262  272  282  283  272  257  252  259  265  257  236  217  205  195  181  169  173  192  213  223