13:15utc Lockloss Nothing Environmental

Had another lockloss with a quiet Environment.  Ran a lockloss2 script, and if I squinted I could maybe see the BS glitching (attached) before the lockloss, but not obvious.

• Only minor optics tweaks to get H1 back to NLN in 29min.
• Did have ANOTHER DIFF for H1SYSECATY1PLC2:
  • H1:ALS-Y_REFL_SERVO_COMBOOST was 2.00, now 1.00 (attached)
  • ACCEPTED this 

Is there a reason why we are having ALS DIFFs all of a suddent for my last (2) Locks?

• The Bounce (& Roll to lesser extent) were a bit elevated at the beginning of the lock (perhaps this was due to the noisy snow blower right outside the Control Room?).  Thought of damping these guys out, but L1 was UP & the modes were smaller than the reference on the DTT session I was running.  So I left H1 in Observing.

13:45utc Back to OBSERVING