ryan.crouch@LIGO.ORG - posted 19:48, Tuesday 25 November 2025 - last comment - 20:32, Tuesday 25 November 2025(88239)
OPS Tuesday EVE shift summary
TITLE: 11/26 Eve Shift: 0030-0600 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY: We had 2 locklosses, the first was easy to recover from, the second is still in progress. We're at MAX_POWER right now.
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 00:16 | PEM | Rene, Alicia | CER | N | Setup measurement, huddle test | 00:33 |
| 00:20 | ISC | Kar Meng | Optics lab | LOCAL | OPO work | 01:13 |
| 00:21 | ISC | Marc | Optics lab | LOCAL | Help with osciliscope issue | 00:59 |
| 00:52 | PEM | Robert, Sam | EndX | N | Setup measurement | 01:20 |
- 20:49 UTC lockloss a minute after reaching NLN, there was a big oscillation in EX_L3
- 22:29 UTC Back to NLN
- 01:21 UTC lockloss, ETMX glitch
- 01:35 UTC IA
- 02:41 UTC DRMI finally locks
- 03:12 UTC lockloss at LOW_NOISE_ESD_ETMY
04:10 UTC NLN
04:30 UTC We went into Obseving after I cleared a leftover EX PEM EXC