Reports until 16:29, Tuesday 14 October 2025
H1 General
ryan.crouch@LIGO.ORG - posted 16:29, Tuesday 14 October 2025 (87459)
OPS Tuesday Day shift summary

TITLE: 10/14 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 153Mpc
INCOMING OPERATOR: Oli
SHIFT SUMMARY: We ran into some issues after relocking following maintenance, but everything is stable currently. Is it in the best setup/orientation? Maybe not.
LOG:                                        

Start Time System Name Location Lazer_Haz Task Time End
22:52 SAF Laser HAZARD LVEA YES LVEA is Laser HAZARD \u0d26\u0d4d\u0d26\u0d3f(\u239a_\u239a) 15:51
14:34 FAC Eric Mech room N FAC checks 14:55
14:35 FAC Randy Yarm N Beam tube inspection, midy to corner 18:39
15:08 SUS Jeff CR N ETMX measurements, prep for satamp swap 16:08
15:08 SUS Matt CR N ITM measurements 15:25
15:12 TCS Matt LVEA Y Turn off sidebands 15:25
15:18 FAC Chris Out buildings N FAMIS checks 16:59
15:24 FAC Kim EndX N Tech clean 16:39
15:24 FAC Nellie EndX N Tech clean 16:38
15:25 VAC Gerardo, Jordan EY N Purge air 17:15
15:28 FAC Tyler Yarm N Termination slab checks 19:04
15:31 EE Fil CER Y ITM work 16:11
15:35 OPS RyanS LVEA Y -> N HAZARD TRANSITION, to safe 15:51
16:04 FAC Richard LVEA N Safety checks 16:25
16:05 VAC Anna LVEA N Join RGA team 17:15
16:06 VAC Travis MidX N Emergency pump checks 17:11
16:13 SUS Jeff CR N ETMY measurement 16:51
16:14 EE Fil Ends, X -> Y N Satamp swap, EY at 16:38 UTC 17:22
16:32 ISC Sam LVEA N Measure stuff 17:13
16:33   Keita, Alicia, Joan-Rene LVEA N Tour, take pictures 17:14
16:42 PSL Rahul, Jennie Optics lab LOCAL ISS PD array 18:23
16:43 FAC Nellie, Kim LVEA N Tech clean 18:21
16:51 SUS Jeff LVEA N ITMX SAT amp measurement 17:03
17:00 FAC Chris LVEA N FAMIS checks 17:25
17:22 EE Marc, Fil LVEA HAM5 N SUS R7 rack work, chassis installations 18:59
17:04 SUS Jeff LVEA N SR75 measurement in the Biergarten ITMX 18:05
17:11 VAC Travis MidY N Emergency pump checks 17:42
17:31 FAC Richard, Alicia, Joan-Rene OSB roof N Admire the view 17:47
17:33 VAC Janos, Anna LVEA N Move parts 18:01
17:35 VAC Jordan LVEA N 1000 amu RGA 18:01
17:48 IMC Matt CR N IMC injections 17:54
17:56 IMC Matt LVEA N Sidebands back on 17:58
18:00 TCS Matt LVEA N Turn back on TCS Y 18:10
18:27 VAC Jordan, Anna LVEA N YARM manifold rga 19:02
19:00 TCS Matt LVEA N Reset both CO2 lasers 19:04
19:03 OPS RyanS LVEA N LVEA sweep 19:14
19:24 ASC Elenna CR N Soft ASC loops measurement 21:06
19:49 PSL Rahul, Keita Optics lab N ISS Array work, laser safe 21:46
19:50 FAC Randy Yarm beamtube N Beamtube inspection 21:46
20:42 EE Fil MidY N Grab electronics parts 21:42
21:56   Matt Vac prep lab N Grab a part 22:06
21:56 PSL Jennie Optics lab N Double check something 22:11
Images attached to this report