OBS-ID    hhc20260405
OBS-STRT  2026-04-04T23:32:30Z  2026-04-05T08:32:30+09:00  PERIOD   1  OBS-MODE  11  12  15  16
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OBS-STRT  2026-04-05T02:03:33Z  2026-04-05T11:03:33+09:00  PERIOD   2  OBS-MODE  11  12  15  16
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