Reports until 16:27, Sunday 28 April 2024
H1 General (Lockloss)
anthony.sanchez@LIGO.ORG - posted 16:27, Sunday 28 April 2024 (77476)
Sunday Ops Eve Shift Start

TITLE: 04/28 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Ryan S
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 28mph Gusts, 15mph 5min avg
    Primary useism: 0.04 μm/s
    Secondary useism: 0.18 μm/s
QUICK SUMMARY:
Lockloss a 22:58 UTC with unkown cause right after SuperEvent S240428DR and during the Stand Down Time.
Screen Shots of the Lockloss tools NDSCOPEs attached.

---Relocking---
Started relocking immediately without an Initial Alignment.
Increase flashes ran on both arms.
Lockloss at ENGAGE_DRMI_ASC
Will try again with out IA, and if that fails then I will do an IA.

Also Robert Still has Cones up on the road along Y arm to protect his cable that he has run across the street. Please be aware of this cable and try not to drive down the Y arm with out addressing this cable going across the street.

 

 

Images attached to this report