aLIGO LHO Logbook

LHO General (DetChar)

ryan.short@LIGO.ORG - posted 16:07, Wednesday 20 September 2023 (72992)

Ops Day Shift Summary

TITLE: 09/20 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
INCOMING OPERATOR: Austin
SHIFT SUMMARY: H1 was unlocked for most of the morning following an earthquake, then commissioning time this afternoon. One commissioning-caused lockloss has H1 currently relocking.

14:38 Lockloss - ETMX saturation right before
15:02 Entered EQ mode - 5.2, 6.0, and 5.7 off the coast of Ecuador
16:30 Left EQ mode, started locking
17:02 Bubba noted RPD is testing ordinance at HAMMER until 00:00 (17:00 PT) this evening (~8 miles away), tagging DetChar
17:51 Reached NLN
18:10 Started observing
19:12 Dropped observing for coordinated commissioning time
20:29 Lockloss - alog - from commissioning activities
21:42 Reached NLN, resuming commissioning
22:45 Lockloss - from commissioning activities

LOG:

Start Time	System	Name	Location	Lazer_Haz	Task	Time End
15:55	PEM	Mitchell	EX, EY	-	Dust monitor vacuum pump checks	16:39
15:59	FAC	Bubba	OSB	-	Driving forklift	16:15
17:04	ISC	TJ	CR	-	Testing FIND_IR updates	17:16
18:44	S&K Elec	Ken	FCTE	-	Add exit signs, to middle and LVEA side of FC tube enclourse	21:33
19:59	ISC	Keita	LVEA	-	Switch OM2 cabling	20:06
20:15	ISC	Jenne	CR	-	FF testing	20:53