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Reports until 17:25, Wednesday 08 April 2026
H1 General (CAL, CDS, PEM, TCS)
anthony.sanchez@LIGO.ORG - posted 17:25, Wednesday 08 April 2026 (89824)
Wednesday OPS Ending report

TITLE: 04/09 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY:
Vacuum team has been Venting the corner station still. 

OMC's were taken to SAFE for a model reboot then taken back to aligned.

Dave and Marc  swapped some cables and restarted the following IOP's & models today. Please check your SDF's haven't been reverted.

H1IOPOMC0 
H1IOPOAF0 
H1IOPASC0
Tagging teams that may have SDF issues in the future.

SRM taken to aligned. (I have no idea Why it was misaligned.)

IMC Input Power Channel is no longer "Cray Cray" and is now reading correclty as of Jennie D's alog.

Restart ISI models BSC 1,2, & 3 
FW1 Down 19:15 UTC
DC0 down 19:20 UTC 
DC0 Re-established at 20:36 UTC  

ISI BS Stage 1&2 watchdog tripped 20:36 Likely due to Vac activities. 
ISI HAM3 WD tripped 23:33

VAC team says BSC2 annulus is vented & Dome bolts ready to be broken. 
 

LOG:

 

Start Time System Name Location Lazer_Haz Task Time End
18:00 FAC Chris H2 N clearing the tumbleweeds @ H2 21:01
19:40 SUS Elenna & Madi Optics Lab Y aligning optics on BHSS Elenna out first 22:39
20:01 EE Fil CER N Rack cabling 23:08
20:04 SUS Oli & Maddie Optics lab Y BHSS optic alignment 23:02
20:29 SUS Jeff CER, LVEA N Take pictures of racks, R3 by HAM3 in LVEA 20:46
20:53 PSL Jason MER N Filling spare PSL chiller 21:40
21:19 SUS Ibrahim, Travis LVEA N Checking ergo arm 21:28
21:23 PSL RyanS MER N Help Jason with the chiller 21:40
21:45 FAC Richard CER N Talk to Fil 22:00
22:16 VAC Jordan, Gerardo, Travis LVEA N Vent anulus ion pump in @ 1502 23:58
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