TITLE: 11/06 Day Shift: 16:00-00:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Preventive Maintenance
OUTGOING OPERATOR: None
CURRENT ENVIRONMENT:
Wind: 4mph Gusts, 2mph 5min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.31 μm/s
QUICK SUMMARY:
- h1 was at NOMINAL LOW NOISE since 3:48utc & went down at 16:01utc
- Observatory MODE: Taken to PREVENTATIVE MAINTENANCE
- ISI Config taken to SC OFF NOBRSXY
- H1 was locked, but during transition PR GAIN & POP_A started to oscillated (& heard verbal alarms for ETMx, ETMy, ITMy).
- Then we lost locked about a min after transitioning.