patrick.thomas@LIGO.ORG - posted 07:53, Monday 27 March 2017 - last comment - 08:14, Monday 27 March 2017(35102)
Ops Owl Shift Summary
TITLE: 03/27 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC STATE of H1: Observing at 63Mpc INCOMING OPERATOR: Jim SHIFT SUMMARY: One lock loss from 6.1 mag earthquake west of Alaska. No issues relocking after seismic settled down. Accepted SDF differences from Cheryl's bounce mode damping filter changes. LOG: 07:22 UTC Powercycled video0 11:13 UTC Lock loss (earthquake). Set to down. Set observing bit to earthquake. 13:18 UTC Back to observing. Accepted SDF differences for Cheryl's bounce mode damping filter changes (see attached). 13:25 UTC Powercycled video2 13:40 UTC Damped PI mode 27 by changing phase from -80 to 0 13:48 UTC Damped PI mode 27 by changing phase to 20 14:09 UTC Bubba to mid Y with Apollo to work on HVAC controls
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15:12 UTC Balers are at mid X and working towards end X
15:14 UTC Damped PI mode 28 by changing sign of gain