TITLE: 06/11 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
SHIFT SUMMARY: Multiple locklosses overnight from earthquakes.
Lock #1:
Lock #2:
- Relocking was fully automated; held in OMC_WHITENING for 5 minutes to damp violins
- NLN @ 11:16 and observing @ 11:19
- Switched to new ITMY mode 5/6 damping setting: FM6, FM7, FM10 w/ gain of 0.04
- This damping setting works well to damp down both modes
- Lockloss @ 14:14 from another earthquake: alog
Lock #3:
- Lockloss @ 14:45 while locking DRMI from a 5.0 earthquake in central Alaska
- Large spike in both 0.03-0.1 and 0.1-0.3 Hz frequency bands as well as on peakmon; SEI_ENV moved to EARTHQUAKE
Lock #4;
- Relocking is going automatically, just locked DRMI
Handing off to Tony for the day.
LOG:
No log for this shift.