OBS-ID    hhc20020429_0844
EVNT0001  2002-04-29T00:45:10.551Z 2002-04-29T00:50:10.552Z    2.14
EVNT0002  2002-04-29T03:36:40.545Z 2002-04-29T03:41:40.547Z    2.09
EVNT0003  2002-04-29T05:29:10.544Z 2002-04-29T05:46:10.545Z    2.11