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Reports until 08:17, Saturday 01 July 2023
LHO General
corey.gray@LIGO.ORG - posted 08:17, Saturday 01 July 2023 (70993)
Sat DAY Ops Transition Status

TITLE: 07/01 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Observing at 146Mpc
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 8mph Gusts, 5mph 5min avg
    Primary useism: 0.01 μm/s
    Secondary useism: 0.06 μm/s
QUICK SUMMARY:

Receiving a nicely locked H1 which has been locked 5.75hrs. 

Austin gave me a rundown of items to look out for with his lockloss experience:

  1. X-arm PLL still was an issue (so may need to employ workarounds:  lower threshold & possibly reset Crystal Frequency
  2. Sounds like Violins continue to get rung up after locklosses and result in ~1hr of waiting for the violins to damp down enough to allow one to engage OMC Whitening.
  3. Hopefully there's no lockloss today!  *knock on wood*

Oh, and the winds have died but the high temperatures continue outside.

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