OBS-ID    hhc20020405_0837
EVNT0001  2002-04-05T01:53:56.091Z 2002-04-05T01:58:56.092Z    2.04
EVNT0002  2002-04-05T02:05:56.089Z 2002-04-05T02:09:26.091Z    2.18
EVNT0003  2002-04-05T04:55:26.096Z 2002-04-05T05:00:56.095Z    2.29