ryan.crouch@LIGO.ORG - posted 16:30, Friday 14 August 2026 (91541)
OPS Friday Day shift summary
TITLE: 08/14 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: Ibrahim
SHIFT SUMMARY: Masayuki and Sheila worked on commissioning JAC and some ASC loops and corner alignment, there were two DAQ restarts and some model work, and HAM7 pumpdown started (2.25e-5 Torr as of 23:30).
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 14:00 | FAC | Randy, Chris | LVEA, yarm term slab | N | Craning scissor lift to prep for scaffold removal | 15:29 |
| 14:30 | FAC | Kim | LVEA | N | Tech clean | 14:48 |
| 15:49 | FAC | Chris, Randy | LVEA | N | Move scissor lifts off of term slab | 16:47 |
| 15:56 | SEI | Jim | LVEA | N | Turn off (damped) ISI to add cable | 16:06 |
| 16:22 | VAC | Gerardo | LVEA | N | Check on HAM7 | 17:07 |
| 16:28 | SEI | Huyen, Shoshana, Jim | CER | N | CRS checks, rewire pigtails | 17:02 |
| 16:32 | VAC | Travis | LVEA | N | Join Gerardo at HAM7 | 17:07 |
| 17:31 | SEI | Jim, Shoshana | CER | N | CRS wire grounding | 17:39 |
| 20:09 | VAC | Gerardo | LVEA | N | Climb on HAM1 to adjust valve, then HAM7 turbo pump | 22:20 |
| 20:14 | SEI | Shoshana, Huyen | LVEA | N | CRS rack, CRS damping | 21:00 |
| 20:15 | FAC | Chris | Out buildings | N | Safety checks | 21:35 |
| 20:51 | VAC | Travis | LVEA | N | Join Gerardo at HAM7 | 22:20 |
| 21:14 | SEI | Jim, Huyen | FCES | N | Electronics testing | 21:42 |
| 21:14 | CDS | Dave, Matilda | Ends | N | CDS work | 22:41 |
| 21:55 | SEI | Jim | FCES | N | Electronics testing | 23:01 |
- ~15:08 UTC DAQ restart
- 16:00 UTC I started PR2 TFs then OLGs
- 17:00 UTC HAM7 pumpdown started
- 20:30 Gerardo switched to the turbo pumps
- 17:40 UTC PR2 spot move
- ~19:40 UTC DAQ restart #2
- 22:13 UTC EQ mode from a 7.6 from Indonesia