TITLE: 11/15 Owl Shift: 08:00-16:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
INCOMING OPERATOR: TJ
SHIFT SUMMARY:
LOG:

10:32 Set SRC1_P and SRC1_Y gain to 0 per Sheila's recommendation.  Reopened POP beam diverters to monitor POP90 signal.  Successfully made it to NLN.  LLO lost lock just as we were getting to NLN, so I am going to wait 30-45 minutes before making Kissel's measurements and going to Observe to see if things seem stable.

11:04 Running a2l_min_LHO.

11:09 PI mode 27 ringing up. Changed phase from 130 to 180 and gain from 3000 to 4000.

11:10 Running a2l_min_PR2.

11:15 Running a2l_min_PR3.

11:26 Closed POP beam diverters.  Starting Kissel's PCAL2DARMTF measurement.

11:37 Finished PCAL2DARMTF.  Saved as /ligo/svncommon/CalSVN/aligocalibration/trunk/Runs/ER10/Measurements/PCAL/2016_11_15_H1_PCAL2DARMTF_4to1200Hz_fasttemplate.xml.

11:38 Started Kissel's DARMOLGTF measurement.

11:51 Saved DARMOLGTF measurement as /ligo/svncommon/CalSVN/aligocalibration/trunk/Runs/ER10/Measurements/DARMOLGTF/2016_11_15_H1_DARM_OLGTF_4to1200Hz_fasttemplate.xml.

11:55 Restarted PCAL lines.

11:56 Set to Observing.

12:15 Out of Observing to damp PI mode 28.  Changed phase from 60 to -60, no gain change.

12:23 Observing

12:32 Lockloss.  From the error signal striptools, it appears that MICH_P, DHARD_P, and SRC1_P rang up over the course of 10 minutes prior to lockloss.  Recall that I had set the SRC1 gains to 0 at the beginning of this lock stretch.  Perhaps it needed to be turned back on at some point during the lock, but wasn't an issue for 2 hours or so.  HAM6 ISI WD tripped at lockloss.

14:29 NLN.  Took SRC1 gains to 0 again since it seemed to work last time.

14:35 Observing.

14:52 PI mode 28 ringing up.  Changed phase from -60 to 60.  Forgot to go out of Observing to do so.