ryan.short@LIGO.ORG - posted 07:42, Wednesday 22 April 2026 - last comment - 08:36, Wednesday 22 April 2026(89970)
Ops Day Shift Start
TITLE: 04/22 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
OUTGOING OPERATOR: None
CURRENT ENVIRONMENT:
SEI_ENV state: MAINTENANCE
Wind: 26mph Gusts, 17mph 3min avg
Primary useism: 0.07 μm/s
Secondary useism: 0.18 μm/s
QUICK SUMMARY: Activities today mainly to continue prep for BSC2 cartridge removal. Some more TCS water line work and cabling happening today as well. It's raining.
CS HEPI pump stations are still down, so many chamber HEPIs are tripped.