Yamagawa.     yg TEC   glat = 29.2 glon =129.6
Date of issue: 2026.07.02 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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260701  287  322  353  367  399  416  431  463  473  438  419  367  312  282  263  247  234  238  225  220  204  220  247  296
260702  309  320  336  362  391  415  434  449  457  449  422  380  335  299  278  267  260  248  232  218  217  236  266  293