TITLE: 05/27 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Aligning
INCOMING OPERATOR: Jeff
SHIFT SUMMARY:
Mainly focused on PSL RefCav for first part of shift. Made it back to OBSERVING & have been locked for 3+hrs.
Most of H1 activity alogged earlier.
LOG:
- 23:35 Checked TCS chillers (while Cheryl was here)---> BOTH looked fine, no water added.
- 23:40-0:06 Beginning INITIAL ALIGNMENT
- 0:06 Locking
- 1st attempt: at OFFLOAD_DRMI_ASC, had to touch up SRM mainly in Yaw to optimize POP18. Hung out about 2-3min, and then lockloss at PREP_ASC_FOR_FULL_IFO.
- At 0:38 Took FSS Common Gain from 26 to 29dB (this was a suggestion from Sheila over phone)
- Have had 3-consecutive locklosses at LOCKING_ALS :-/
- 1:38 -3:00: PSL Ref Cav alignment
- 4:43 Back to OBSERVING (SQZ Manager notification...see alog).