aLIGO LHO Logbook

LHO General

ryan.crouch@LIGO.ORG - posted 07:32, Thursday 02 April 2026 - last comment - 07:49, Thursday 02 April 2026(89747)

OPS Thursday day shift start

TITLE: 04/02 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: 4mph Gusts, 2mph 3min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.21 μm/s
QUICK SUMMARY:

HAM1 and SPI work continues
ISCT1 to be moved back into place today
LVEA temps look nice and stable

Comments related to this report

ryan.crouch@LIGO.ORG - 07:49, Thursday 02 April 2026 (89748)

Link

JAC has been trying and failing to lock overnight (since 5pm PST // 00 UTC yesterday), the SCAN keeps timing out "Check trigger level or Laser power". Bringing it to DOWN for now.