aLIGO LHO Logbook

H1 General

cheryl.vorvick@LIGO.ORG - posted 08:08, Tuesday 21 January 2020 - last comment - 08:42, Tuesday 21 January 2020(54609)

OPS Owl Summary

TITLE: 01/21 Owl Shift: 08:00-16:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Preventive Maintenance
INCOMING OPERATOR: Corey
SHIFT SUMMARY: locked most of the shift, relocking took a while, H1 reached NLN and then I ran the PEM injections (cold H1)
LOG:

08:02:40 - airplane heard in CR
09:53:58 - SEI to EQ
10:27:41 - SEI to WINDY
11:54:21 - SEI to EQ
12:18:55 - SEI to WINDY
15:44:52 - NLN
15:45:00 - (yes, 8 seconds later) verbal alarm for PEM injections, which I started within a few seconds
15:51:37 - Scott and Tyler starting the big green monster and then going to MX
15:56:12 - PEM injections are done
15:58:18 - Sheila to the optics lab
16:00:54 - lockloss, Maintenance

Comments related to this report

cheryl.vorvick@LIGO.ORG - 08:37, Tuesday 21 January 2020 (54612)

Link

attached are the SDF Diffs that I had when H1 reached NLN, CALCS? about 20 diffs, and ETMY SUS offsets, the same diffs that Camilla aloged, alog 54597.

Images attached to this comment

cheryl.vorvick@LIGO.ORG - 08:42, Tuesday 21 January 2020 (54613)

Link

MY AH REHEAT 20 days

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