TITLE: 04/20 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 61Mpc
INCOMING OPERATOR: Ed
SHIFT SUMMARY: Lock loss possibly coincident with wind gust at EY. Back to observing. Bounce mode around ~9 Hz is high but damping. Turned on FM6 per Ed's suggestion to damp ETMY violin mode at ~4kHz.
LOG:

23:37 UTC GRB alert. LLO also received.
04:14 UTC LLO lost lock. Out of observing to run a2l.
04:23 UTC Back to observing.
05:59 UTC Lock loss. Wind gust at EY?
06:45 UTC Observing. Turned on FM6 for H1:SUS-ETMY_L2_DAMP_MODE10 and accepted SDF difference (attached). Damped PI mode 27 by changing phase.