| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
|
12015
|
Wed Mar 2 10:09:28 2016 |
Steve | Update | safety | professional crane inspection | The crane inspection is scheduled for this
coming Friday from 8-12
|
|
|
716
|
Tue Jul 22 16:50:09 2008 |
steve | Metaphysics | Environment | professorial clean up of work bench | Atm1: is showing the spiritual satisfaction
after work bench clean up by the professor
himself.
|
|
|
8048
|
Fri Feb 8 23:22:48 2013 |
Den | Summary | Modern Control | progress report | I wrote a small document on the application
of LQG method to a Fabry-Perot cavity control. |
|
|
7646
|
Wed Oct 31 17:11:40 2012 |
jamie | Update | Alignment | progress, then setback | jamie, nic, jenne, den, raji, manasa
We were doing pretty well with alignment,
until I apparently fucked things up. |
|
|
7647
|
Wed Oct 31 17:18:34 2012 |
Jenne | Update | Alignment | progress, then setback - trend of BS table shift | Here is a two hour set of second trends
of 2 sensors per mirror, for BS, PRM, ITMY
and MC1. You can see about an hour |
|
|
7649
|
Wed Oct 31 17:36:39 2012 |
jamie | Update | Alignment | progress, then setback - trend of BS table shift |
|
|
|
7651
|
Thu Nov 1 01:51:37 2012 |
rana | Update | Alignment | progress, then setback - trend of BS table shift | But these jumps in the OSEMs
are all at the level of 10-20 microns. Seems
like that wouldn't be enough to account for |
|
|
7652
|
Thu Nov 1 08:48:42 2012 |
steve | Update | Alignment | progress, then setback - trend of BS table shift |
|
|
|
7655
|
Thu Nov 1 10:58:49 2012 |
jamie | Update | Alignment | progress, then setback - trend of BS table shift | Here's a plot of the BS, PRM, and MC1 suspension
shadow sensor trends over the last 24 hours.
I tried to put everything on the same Y scale: |
|
|
7805
|
Mon Dec 10 16:28:13 2012 |
jamie | Omnistructure | Computers | progressive retrieval of online data now possible with the new NDS2 client | Leo fixed an issue with the new nds2-client
packages that was preventing it from retrieving
online data. It's working now from |
|
|
1565
|
Fri May 8 15:40:44 2009 |
pete | Update | Locking | progressively weaker locks | the align script was run after the third
lock here. it would have been interesting
to see the arm powers in a 4th lock |
|
|
13678
|
Mon Mar 12 13:58:37 2018 |
gautam | Update | General | projector light bulb blown | Bulb went out ~10am today. Looks like the
lifetime of this bulb was <100 days.
Steve: |
|
|
13208
|
Tue Aug 15 08:22:16 2017 |
Steve | Update | General | projector light bulb replaced | BL-FS300C-PH-LE was
replaced after 2,904 hrs It did
not explode this time. The 4 monts |
|
|
13499
|
Wed Jan 3 15:13:55 2018 |
Steve | Update | General | projector light bulb replaced | Bulb
is replaced.
|
|
|
13695
|
Wed Mar 21 10:00:35 2018 |
steve | Update | General | projector light bulb replaced | Light bulb replaced.
|
|
|
14048
|
Tue Jul 10 14:20:09 2018 |
steve | Update | General | projector light bulb replaced | Bulb replaced at day 110 We have
now spare now.
|
|
|
14316
|
Mon Nov 26 10:22:16 2018 |
aaron | Update | General | projector light bulb replaced | I replaced the projector bulb. Previous
bulb was shattered. |
|
|
3649
|
Tue Oct 5 13:52:15 2010 |
rana | Update | CDS | proof of trend | |
|
|
3626
|
Thu Sep 30 13:43:29 2010 |
steve | Update | SAFETY | propane gas smell in control room | The control room's north west corner smelled
like propane gas yesterday around 16:30
We all agreed that the smell was |
|
|
12872
|
Tue Mar 7 15:17:19 2017 |
Steve | Bureaucracy | General | property tag | Property tag found. |
|
|
12058
|
Thu Mar 31 19:49:31 2016 |
gautam | Update | endtable upgrade | proposed layout v2 | The major changes from the previous layout:
I've depicted the Green
reflected beam path more accurately - I approximately measured |
|
|
12060
|
Mon Apr 4 10:59:12 2016 |
gautam | Update | endtable upgrade | proposed layout v3 | I realized I had overlooked an important
constraint in the layout, which is that the
enclosure will have two supports that occupy |
|
|
5527
|
Thu Sep 22 23:10:07 2011 |
Suresh | Update | IOO | proposed modifications to the C1IOO model | Rana advised that we put in a lockin-output
matrix which will allow us to excite any
combination of MC mirrors so that we can |
|
|
8270
|
Mon Mar 11 16:29:29 2013 |
Steve | Update | PEM | proposed seismometer locations | Granite base 20" x 20" x 5"
locations are on the CES side of our IFO
arms: as shown ETMY_ south-west, ETMX_north-east, |
|
|
8272
|
Mon Mar 11 19:01:21 2013 |
Jenne | Update | PEM | proposed seismometer locations | This is my interpretation of where Steve
is proposing to place the seismometers (he
wrote ITMX southwest, but I'm pretty sure |
|
|
10203
|
Tue Jul 15 17:34:01 2014 |
manasa | Update | PSL | proposing AOM re-alignment | I am going to tweak the alignment of the
beam into the AOM (before the PMC) tomorrow
morning. If anybody has any objections to |
|
|
971
|
Fri Sep 19 08:09:55 2008 |
steve | Update | PSL | psl HEPAs turned on | I have just turned on the PSL HEPA filters
at 60% operational speed. |
|
|
1357
|
Wed Mar 4 23:42:45 2009 |
rana | Configuration | PSL | psl db change | I made |
|
|
876
|
Mon Aug 25 10:51:06 2008 |
steve | Update | PSL | psl headtemp is coming down | The laser water cooler was overflowing this
morning.
I removed 500 cc water from the chiller.
|
|
|
2943
|
Tue May 18 11:54:29 2010 |
steve | Configuration | SAFETY | psl mechanical shutter is not working | As we learned yesterday, the PSL laser
power out put mechanical shutter is not working
in the remote mode. It only works in local |
|
|
1638
|
Mon Jun 1 14:49:07 2009 |
rob | Summary | PSL | psl thoughts | Some thoughts on what happened with the
MOPA cooling.
Some unknown thing happened to precipitate |
|
|
10557
|
Wed Oct 1 16:26:53 2014 |
Steve | Update | VAC | pump down #78 completed |
Pump down reached "vacuum
normal" state. IFO _P1 pressure 1e-4 |
|
|
10553
|
Tue Sep 30 16:18:57 2014 |
Steve | Update | VAC | pump down #78 has started |
Q checked the earth quake stops of
SRM and we put the ITMY & BS doors on. |
|