Yamagawa.     yg TEC   glat = 29.2 glon =129.6
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  485  488  496  488  430  413  425  426  405  418  417  369  374  365  359  343  335  338  301  250  242  310  384  422
240702  407  396  402  416  421  419  422  433  437  428  412  402  397  391  383  376  367  340  298  268  282  338  394  416