| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
9510
|
Sat Dec 21 10:53:35 2013 |
Steve | Update | VAC | power supply replaced with a short vent-pumpdown completed | The recovery- pumpdown reached valve configuration
vacuum normal at 20 hours, cc1 7.7e-6 Torr
|
|
|
6860
|
Sat Jun 23 18:44:15 2012 |
steve | Update | General | power surge has no effect on the lab | I was notified by CIT Utilities that there
was a power surge or short power outage this
after noon. |
|
|
7088
|
Mon Aug 6 09:46:31 2012 |
steve | Update | IOO | poweroutage turns laser off |
. Power |
|
|
7800
|
Sat Dec 8 04:12:38 2012 |
Den | Update | LSC | prcl | Today I wanted to check that AS and
REFL beams are real and contain proper information
about interferometer. For this I locked YARM |
|
|
8446
|
Fri Apr 12 02:56:34 2013 |
Den | Update | Locking | prcl angular motion | I compared PCRL and XARM angular motions
by misaligning the cavities and measuring
power RIN. Divergence angles for both cavities |
|
|
8447
|
Fri Apr 12 09:20:32 2013 |
rana | Update | Locking | prcl angular motion | How
is the cavity g-factor accounted for in this |
|
|
8449
|
Fri Apr 12 13:21:34 2013 |
Den | Update | Locking | prcl angular motion |
|
|
|
8450
|
Sat Apr 13 03:45:51 2013 |
rana | Update | Locking | prcl angular motion |
Maybe its equivalent, but I
would have assumed that the input beam is |
|
|
8451
|
Sat Apr 13 23:11:04 2013 |
Den | Update | Locking | prcl angular motion |
|
|
|
8454
|
Sun Apr 14 17:56:03 2013 |
rana | Update | Locking | prcl angular motion |
|
|
|
8564
|
Mon May 13 18:44:04 2013 |
Jenne | Update | Locking | prcl angular motion | I want to redo this estimate of where RIN
comes from, since Den did this measurement
before I put the lens in front of the POP |
|
|
14437
|
Wed Feb 6 10:07:23 2019 |
Chub | Update | | pre-construction inspection | The Central Plant building will be undergoing
seismic upgrades in the near future.
The adjoining north wall along the Y arm |
|
|
5591
|
Fri Sep 30 19:12:56 2011 |
Koji | Update | General | prep for poweroutage |
[Koji Jenne]
The lasers were shutdown |
|
|
13383
|
Tue Oct 17 17:53:25 2017 |
jamie | Summary | LSC | prep for tests of Gabriele's neural network cavity length reconstruction | I've been preparing for testing Gabriele's
deep
neural network MICH/PRCL reconstruction. |
|
|
13390
|
Wed Oct 18 12:14:08 2017 |
jamie | Summary | LSC | prep for tests of Gabriele's neural network cavity length reconstruction |
|
|
|
6892
|
Fri Jun 29 02:17:40 2012 |
yuta | Update | IOO | prep for the vent - beam attenuating | [Koji, Jamie, Yuta]
We attenuated the incident beam (1.2 |
|
|
6893
|
Fri Jun 29 03:21:32 2012 |
yuta | Update | General | prep for the vent - others | 1. Turned off high voltage power supplies
for PZT1/2 (input PZTs) and OMC stage 1/2.
They live in 1Y3 rack and AUX_OMC_NORTH rack. |
|
|
14022
|
Tue Jun 26 20:59:36 2018 |
aaron | Update | OMC | prep for vent in a couple weeks | I checked out the elog from the vent in
October 2016 when the OMC was removed from
the path. In the vent in a couple weeks, |
|
|
4574
|
Wed Apr 27 18:14:48 2011 |
kiwamu | Update | LSC | preparation for DRMI locking : RF status | |
|
|
2644
|
Fri Feb 26 15:32:13 2010 |
steve | Configuration | VAC | preparation for power outage: vacuum all off | There is a planned power outage tomorrow,
Saturday from 7am till midnight.
I vented all annulies and switched |
|
|
13806
|
Wed May 2 10:03:58 2018 |
Steve | HowTo | SEI | preparation of load cell measurement at ETMX | Gautam and Steve,
We have calibrated the load
cells. The support beams height monitoring |
6x |
|
13809
|
Thu May 3 09:56:42 2018 |
Steve | HowTo | SEI | preparation of load cell measurement at ETMX | [ Dennis Coyne' precision answer
]
|
|
|
13840
|
Mon May 14 08:55:40 2018 |
Dennis Coyne | HowTo | SEI | preparation of load cell measurement at ETMX | follow
up email from Dennis 5-13-2018. |
|
|
5089
|
Tue Aug 2 02:35:23 2011 |
kiwamu | Update | General | preparation of the vent : status and plan | The vent
will take place on Wednesday. |
|
|
5078
|
Sun Jul 31 22:48:35 2011 |
kiwamu | Summary | General | preparation of the vent : status update | Status
update for the vent preparation:
|
|
|
5080
|
Mon Aug 1 08:52:37 2011 |
steve | Update | VAC | preparation to vent | Both arms locked easely around 1V transmited.
We should recenter oplevs. |
|
|
2778
|
Wed Apr 7 09:00:01 2010 |
steve | HowTo | PEM | prepare to open chamber | In order to minimize the diffusion of more
dust particles into the vented IFO vacuum
envelope |
|
|
5950
|
Fri Nov 18 16:37:14 2011 |
steve | Update | VAC | preparing for ac power interruption | The vacuum is ready for no AC power for
1 hr on Sunday morning at 10am
|
|
|
10467
|
Mon Sep 8 08:24:49 2014 |
Steve | Update | Computer Scripts / Programs | preparing vac system to reboot | Q and Steve will follow elog 10028
entry to prepare the vacuum system for safe
reboot |
|
|
10468
|
Mon Sep 8 11:10:26 2014 |
ericq | Update | Computer Scripts / Programs | preparing vac system to reboot |
|
|
|
10469
|
Mon Sep 8 11:34:47 2014 |
rana | Update | Computer Scripts / Programs | preparing vac system to reboot | FYI: in that rack, the +15V pulls ~0.5
A more than -15V usually. I think this is
due to some RF amplifiers which are powered |
|
|
10470
|
Mon Sep 8 12:11:36 2014 |
manasa | Update | Computer Scripts / Programs | preparing vac system to reboot |
|
|
|
10477
|
Tue Sep 9 14:18:40 2014 |
Steve | Update | Computer Scripts / Programs | preparing vac system to reboot |
|
|
|
11384
|
Tue Jun 30 11:33:00 2015 |
Jamie | Summary | CDS | prepping for CDS upgrade | This is going to be a big one. We're
at version 2.5 and we're going to go
to 2.9.3. |
|
|
4567
|
Mon Apr 25 22:38:49 2011 |
kiwamu | Update | LSC | prepration for DRMI : Y arm flashing | This
week is going to be a recycled Michelson |
|
|
14247
|
Fri Oct 12 17:37:03 2018 |
Steve | Update | VAC | pressure gauge choices | We want to measure the pressure gradient
in the 40m IFO
Our old MKS cold cathodes are out |
|
|
5017
|
Fri Jul 22 10:24:34 2011 |
steve | Update | VAC | pressure plot at day 213 | Dec 21, 2010 we pumped down the MARK4 rebuilt
40m-IFO and the malev has been pumping on
it since than |
|
|
5767
|
Mon Oct 31 08:55:19 2011 |
steve | Update | VAC | pressure plot at day 53 |
|
|
|
13184
|
Thu Aug 10 14:14:17 2017 |
Kira | Update | PEM | previously built temp sensor | I decided to see what was inside the sensor
that had been previously made. According
to elog 1102, the temperature sensor is LM34, |
|
|
5889
|
Mon Nov 14 21:22:48 2011 |
rana | Configuration | Computers | primetime RSYNC slowing down NODUS | nodus:elog>w; who ; date
9:20pm up 44 day(s),
5:14, 5 users, load average: |
|
|
3863
|
Thu Nov 4 17:53:29 2010 |
yuta | Update | CDS | primitive python script for A2L measurement | Summary:
I wrote |
|
|
5296
|
Wed Aug 24 11:40:21 2011 |
jamie, jenne, kiwamu, suresh, steve | Update | SUS | problem with ITMX | ITMX was drag wiped, and the suspension
was put back into place. However, after
removing all of the earthquake stops we found |
|
|
7863
|
Thu Dec 20 12:14:19 2012 |
Jamie | Update | General | problem with in-vac wiring for TTs | Nic and I discovered a problem with the
in-vac wiring from the feed-thru to the top
of the table. Pin 13 at the top of |
|
|
7341
|
Tue Sep 4 20:20:47 2012 |
jamie | Update | General | problematic tip-tilts |
|
|
|
2013
|
Mon Sep 28 17:39:34 2009 |
rob | Update | PSL | problems | The PSL/IOO combo has not been behaving
responsibly recently.
The first attachment is a 15 day |
|
|
6699
|
Tue May 29 00:53:57 2012 |
Den | Update | CDS | problems | I've noticed several CDS problems:
Communication sign on
C1SUS model turns to red once in a while. |
|
|
11252
|
Sun Apr 26 00:56:21 2015 |
rana | Summary | Computer Scripts / Programs | problems with new restart procedures for elogd and apache | Since the nodus upgrade, Eric/Diego changed
the old csh restart procedures to be more
UNIX standard. The instructions are in the |
|
|
11267
|
Fri May 1 20:33:31 2015 |
rana | Summary | Computer Scripts / Programs | problems with new restart procedures for elogd and apache | Same thing again today. So I renamed the |
|
|
16991
|
Tue Jul 12 13:59:12 2022 |
rana | Summary | Computers | process monitoring: Monit | I've installed Monit
on megatron and nodus just now, and will
set it up to monitor some of our common processes. |
|
|
11093
|
Tue Mar 3 11:38:11 2015 |
Steve | Update | safety | professional crane inspection |
|
|