TITLE: 07/16 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
SHIFT SUMMARY:
- Lockloss from a 6.6 from Argentina
- Ran an initial alignment
- Currently in OMC_WHITENING damping violins as of 07:00UTC
- Handing off to Corey
Lock#1:
- I reloaded the SUS_CHARGE guardian at 23:26UTC for changes Camilla made and if we lose lock I'll reload the rest of the ESD_EXC_{QUAD} guardians. I reloaded these at 03:53UTC
- The PSL anteroom dust monitor yellow alarmed a few times but went down after 5-10 minutes.
- We got hit by a 6.6 from Argentina at 3:18 UTC and lost lock at 03:29
Lock#2:
- Starting trying to relock at 4:10UTC
- both arms went through increase flashes, Yarm finished quickly and was able to lock although still a little shaky, Xarm took its time in increase flashes as usual but got it after 2 rounds
- Seismic to calm at 04:29UTC
- Couldnt get DRMI (a few flashes at 100) or PRMI (No flashes above 20), went to CHECK_MICH_FRINGES which was successful then Lockloss during PRMI 04:39UTC
Lock#3:
- Lockloss at ALS ( The wind was picking up at this point and stayed around 20-30 mph for the next hour) 04:41UTC
Lock#4:
- Couldnt get DRMI, or PRMI I tried to help but it went to CHECK_MICH pretty quickly. AS_AIR looked Yawed. Lockloss during CHECK_MICH 04:52UTC, going to start an IA
Lock#5:
- Started IA at 04:53UTC
- Another EQ came through during IA, 5.6 from Indonesia
- No issues in IA until I couldn't get SRY, AS_AIR look great, and I couldn't maximize ASC_AS_A_DC_NSUM_OUT16 with any combination of SRM pitch/yaw
- I decided to back into regular locking at 05:31UTC, DRMI flashes looked much better and it was able to catch after a few minutes
- Had to stop at OMC_WHITENING to damp violins at 06:16UTC
LOG:
No log for this shift