Reports until 16:40, Wednesday 09 September 2026
LHO General
corey.gray@LIGO.ORG - posted 16:40, Wednesday 09 September 2026 (91844)
Wed DAY Ops Summary

TITLE: 09/09 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Commissioning
INCOMING OPERATOR: Tony
SHIFT SUMMARY:

H1 Commissioning continued with relatively stable PRMI locks + 2-DRMI locks, and continued locking work (i.e. alignment tweaks, Length to Pit decoupling measurements, BS satamp whitening change, rfpd phasing, checking pointing on REFL A/B)

Relay Tube install started late morning with disassembly on HAM5 and then pumping down the Relay Tube (Gate Valves on both sides of the Relay Tube will remain  CLOSED).  Relay Tube leak checked (no leaks observed, VAC will turn OFF Mega-cleanroom at end of day)

BBSS had a satamp change to address 
LOG: