Reports until 19:28, Monday 27 January 2020
H1 General
camilla.compton@LIGO.ORG - posted 19:28, Monday 27 January 2020 - last comment - 10:39, Tuesday 28 January 2020(54763)
H1 Lockloss 03:10 UTC

Sudden lockloss, no obvious reason in the control room. Looking at the attached plots of the FSS, it seems this started oscillating/became unlocked at the same time as the lockloss. I observed the same thing in a few locklosses this month, see alog 54711.

Images attached to this report
Comments related to this report
camilla.compton@LIGO.ORG - 20:47, Monday 27 January 2020 (54765)
  • 04:42 NLN and Observing
    • Accepted same SDF diffs in ETMY M0 test offsts that we have been seeing this week and TJ will look into - alog 54726
Images attached to this comment
thomas.shaffer@LIGO.ORG - 10:39, Tuesday 28 January 2020 (54774)

I believe I found and fixed this, see alog54773.