TITLE: 02/12 Day Shift: 16:00-00:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Observing at 70Mpc
OUTGOING OPERATOR: Jim
CURRENT ENVIRONMENT:
Wind: 2mph Gusts, 1mph 5min avg
Primary useism: 0.03 μm/s
Secondary useism: 0.34 μm/s
QUICK SUMMARY:
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Jim had H1 locked and was damping PI mode 27 when I arrived
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I took over and made changes to mode 26, which has been hard to damp, with some improvement
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gain = +150000
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damping filter bank - removed +60deg phase filter and now have only +30deg phase filter engaged
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I started tracking the magnitude of the peak at 910 (blue), and it's currently at around 695 (red)
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PI damp out was up to around +/-2000 counts, and is now around +/-500 counts