Yamagawa.     yg hmF2  glat = 29.2 glon =129.6
Date of issue: 2026.10.02 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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261001  289_ 288_ 287_ 284_ 285_ 287_ 290_ 286_ 284_ 283_ 286_ 293_ 298_ 297_ 300_ 304_ 301_ 300_ 302_ 301_ 304_ 304_ 298_ 293_ 
261002  284_ 283_ 281_ 287_ 301_ 307_ 298_ 291_ 286_ 283_ 282_ 289_ 299_ 301_ 301_ 303_ 305_ 305_ 304_ 308_ 313_ 311_ 298_ 287_