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Reports until 07:44, Wednesday 08 October 2025
LHO General
corey.gray@LIGO.ORG - posted 07:44, Wednesday 08 October 2025 (87366)
Wed DAY Ops Transition

TITLE: 10/08 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 152Mpc
OUTGOING OPERATOR: TJ
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 4mph Gusts, 3mph 3min avg
    Primary useism: 0.01 μm/s
    Secondary useism: 0.16 μm/s 
QUICK SUMMARY:

H1's been locked 1.25hrs.  Quiet environmentally.  2nd day in row of having a dust alarm for the LAB1 500nm alarm (ringing but not active) in the Optics Lab.

Overnight

1056-1319utc DOWN due to Lockloss from M5.0 Guatamala earthquake.  H1 spent 49min trying to get to DRMI w/ no luck before running an alignment & then the alignment was plagued by a glitch SRM with (2) SRM watchdog trips (TJ was awakened by this and alogged this morning).  After the SRM hub-bub (glitches from 1215-1228utc), TJ able to have H1 automatically make it back up to Observing.

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