This is a DARM offset sweep by /ligo/gitcommon/labutils/darm_offset_stepGPS time, duration, H1:OMC-READOUT_X0_OFFSET
1375049862, 120, 4
1375049987, 120, 5
1375050111, 120, 6
1375050235, 120, 7
1375050359, 120, 8
1375050483, 120, 9
1375050607, 120, 11