Reports until 16:33, Thursday 05 February 2026
LHO General
ryan.short@LIGO.ORG - posted 16:33, Thursday 05 February 2026 (89057)
Ops Day Shift Summary

TITLE: 02/06 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY: Work continued in HAM1 on/around the JAC, including ghost beam hunting and fixing a shorting cable. OMC scans were also taken today at points when the IMC could be locked (manually, since the IMC_LOCK Guardian is struggling to lock the IMC itself). HAM7 sits with its doors on, but pumpdown timing is still being discussed.
LOG:

Start Time System Name Location Lazer_Haz Task Time End
22:49 SAF LVEA is Laser SAFE LVEA NO* LVEA is Laser SAFE *BIFURCATED HAM1/2 Ongoing
16:03 FAC Kim LVEA N Technical cleaning 17:22
16:40 FAC Randy LVEA N Cleanup in East bay 17:09
17:11 ISC Sheila, Matt LVEA - Opening light pipe; plugging in SR785 to IMC board 17:38
17:53 FAC Randy LVEA N Cleanup in East bay 18:11
18:03 TCS Camilla, Sophie Prep Lab Local CHETA work 19:52
18:03 ISC Jason LVEA - Turning up input power to 1W 18:17
18:23 JAC Keita, Masayuki LVEA YES JAC EOM work 20:39
18:23 JAC Jennie LVEA YES JAC EOM work 18:53
18:32 FAC Kim LVEA N Technical cleaning 19:18
20:30 SUS Rahul LVEA - Working on PM1 21:21
21:13 ISC Matt, Sophie LVEA - Turning sidebands on 21:17
21:17 CAL Tony Pcal Lab Local Restarting voltmeters 21:28
21:21 VAC Travis LVEA - Taking picture of HAM3 21:25
21:36 JAC Keita, Jennie Opt Lab N JAC cable work 23:25
21:37 JAC Masayuki, Jason LVEA YES JAC EOM work Ongoing
21:53 CAL Tony PCal Lab Local Closing shutter 21:58
21:59 CDS Dave MER N Scouting rack install 23:18
22:18 VAC Travis LVEA N Grabbing parts 22:23
22:25 SEI Jim LVEA N Looking at feedthrus on HAM3 23:25
23:13 ISC Matt LVEA - Unplugging SR785 23:16
23:25 JAC Keita, Jennie LVEA YES JAC work Ongoing
23:51 CDS Dave CER N Scouting rack install 00:12
00:23 CDS Fil, Marc LVEA N Measuring cables Ongoing