| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12706
|
Thu Jan 12 13:43:02 2017 |
rana | HowTo | safety | closing a door | This is one of those unsolved door lock
acquisition problems. Its been happening
for years. |
|
|
12707
|
Thu Jan 12 13:45:58 2017 |
Steve | HowTo | safety | closing a door | It was requested this morning.
|
|
|
8785
|
Fri Jun 28 14:57:15 2013 |
Steve | Update | General | closing lab doors | I found the south end emergency doors not
latched completely. There was a ~ 3/8"
vertical gap from top to bottom. |
|
|
6072
|
Mon Dec 5 19:21:55 2011 |
kiwamu | Update | LSC | coarse beat note signal : ADC limited above 30 Hz | The
signal observed by the coarse frequency discriminator
was actually dominated by the ADC noise above |
|
|
3850
|
Wed Nov 3 02:37:39 2010 |
yuta | Summary | Green Locking | coarse locked green beat frequency | (Kiwamu, Yuta)
|
|
|
3851
|
Wed Nov 3 03:00:47 2010 |
Koji | Summary | Green Locking | coarse locked green beat frequency | Wow! Great guys!! |
|
|
6779
|
Thu Jun 7 05:39:41 2012 |
yuta | Update | Green Locking | coarsely stabilized Y arm length with ALS | I coarsely stabilized Y arm length to off
resonance point for IR using ALS.
Currently, ASL servo loop is unstable |
|
|
9087
|
Wed Aug 28 23:09:55 2013 |
jamie | Configuration | CDS | code to generate host IPC graph | |
|
|
13140
|
Tue Jul 25 00:03:01 2017 |
rana | Omnistructure | Treasure | coffee pot lid | I
have recommissioned the Zojirushi coffee
pot lid. You may, once again, align the dots |
|
|
5816
|
Fri Nov 4 21:52:58 2011 |
Den | Update | Adaptive Filtering | coherence | [Mirko, Den]
We still think about the coherence
between seismic noise and mode cleaner length. |
|
|
5825
|
Sun Nov 6 21:09:03 2011 |
rana | Update | Adaptive Filtering | coherence |
|
|
|
6065
|
Sat Dec 3 18:29:20 2011 |
Den | Update | Adaptive Filtering | coherence | I've looked through the coherence between
the MC length and seismometers after the
if-statement problem was fixed. Coherence |
|
|
2206
|
Mon Nov 9 01:52:56 2009 |
rana | Update | PEM | coherence v. time for 2 accelerometers | I used the coh_carpet.m function from
the mDV to calculate this plot:
|
|
|
13417
|
Wed Nov 8 12:19:55 2017 |
gautam | Update | SUS | coil driver series resistance | We've been talking about increasing
the series resistance for the coil driver
path for the test masses. One consequence |
|
|
10563
|
Fri Oct 3 10:10:37 2014 |
Steve | Update | VAC | cold cathode gauge reading switched |
We have two cold cathode gauges at
the pump spool and one signal cable |
|
|
7044
|
Fri Jul 27 14:28:36 2012 |
steve | Update | VAC | cold cathode gauges | Our cold
cathode 423 gauges are 10 years old.
They get insulated by age and show no ionization |
|
|
11625
|
Mon Sep 21 11:12:14 2015 |
Steve | Update | VAC | cold cathode is flaky | CC4 cold cathode gauge jump triggered interlock
to close VM1 valve to protect the RGA.
The IFO pressure is 1e-5 Torr |
|
|
11633
|
Tue Sep 22 08:58:38 2015 |
Steve | Update | VAC | cold cathode is flaky | The cold cathode gauge is back to normal.
cc4 is the last gauge is "functioning"
MKS is not responding. The spare |
|
|
11644
|
Fri Sep 25 17:00:38 2015 |
Steve | Update | VAC | cold cathode is flaky | The IFO pressure is estimated ~1E-6 Torr
with modified Vac normal valve configuration.
CC4 is in a jumping mode between |
|
|
4424
|
Tue Mar 22 16:39:51 2011 |
kiwamu | Update | Green Locking | comaprator installed : 80 pm residual displacement | A
comparator has been installed before the
MFDs (mixer-based frequency discriminator) |
|
|
13954
|
Wed Jun 13 11:59:03 2018 |
keerthana | Update | elog | command line enabled code for frequency scanning | I have modified the code for frequency
scanning and have made it completely command
line enabled. The code is written in python. |
|
|
9468
|
Fri Dec 13 18:03:00 2013 |
Den | Update | IOO | common mode servo |
|
|
|
9470
|
Fri Dec 13 23:07:04 2013 |
Koji | Update | IOO | common mode servo | Looks good.
Once the control cable (bakplane
cable) is identified, we can install the |
|
|
9472
|
Sat Dec 14 11:56:54 2013 |
rana | Update | LSC | common mode servo |
|
|
|
9474
|
Sat Dec 14 14:21:46 2013 |
Den | Update | LSC | common mode servo |
|
|
|
4161
|
Sun Jan 16 02:20:59 2011 |
Suresh | Update | Locking | comparing the PSL with the X-end-NPRO through the green beat | Objective:
We
wish to study the coherence of the two NPROs |
|
|
4166
|
Wed Jan 19 03:37:30 2011 |
Suresh | Update | Locking | comparing the PSL with the X-end-NPRO through the green beat |
[Kiwamu, Suresh] |
|
|
181
|
Fri Dec 7 18:28:30 2007 |
tobin | Update | Computer Scripts / Programs | compiled matlab hoses itself | Andrey pointed out to me that some matlab
functions in the Signal Processing Toolbox
were dying with errors. Looking into the |
|
|
182
|
Fri Dec 7 18:31:30 2007 |
tobin | Update | Computer Scripts / Programs | compiled matlab hoses itself | Addendnum. The reason the linemon_mcr command
was in the path was because of the user issuing
the command "addpath(genpath(pwd))" where |
|
|
9432
|
Mon Dec 2 14:24:10 2013 |
Steve | Update | CDS | computer problems | Rack 1x6 is very noisy.
SunFire X4600 computer: FB
(directly below Megatron) has it's yellow |
|
|
9436
|
Tue Dec 3 17:08:06 2013 |
Koji | Update | CDS | computer problems | It seems that the front fan unit was running
at the full speed. The fan itself seems still
OK. |
|
|
1771
|
Tue Jul 21 18:46:47 2009 |
steve | Configuration | Computers | computers are down | All suspentions are kicked up. Sus dampings
and oplev servos turned off.
c1iscey and c1lsc are down. c1asc |
|
|
1772
|
Wed Jul 22 01:57:19 2009 |
Alberto | Configuration | Computers | computers are down |
|
|
|
1773
|
Wed Jul 22 09:04:10 2009 |
Alberto | Configuration | Computers | computers are down |
|
|
|
1776
|
Wed Jul 22 11:14:11 2009 |
Alberto | Configuration | Computers | computers are down |
|
|
|
3493
|
Tue Aug 31 10:44:17 2010 |
steve | Update | PEM | concrete sealed | The PSL -leg concrete was sealed with a
single coat of SCOFIELD Cureseal-S to minimize
shedding of particles. |
|
|
12825
|
Mon Feb 13 17:19:41 2017 |
yinzi | Configuration | | configuring ethernet for raspberry pi | Gautam and I were able to get the Raspberry
Pi up and running today, including being
able to ssh into it from the control room. |
|
|
3862
|
Thu Nov 4 17:24:49 2010 |
steve | Update | General | conflat flanges for MIT | 8 pieces of 10" CF blanks were shipped
to MIT |
|
|
9802
|
Fri Apr 11 14:57:53 2014 |
steve | Update | LSC | congratulation |
|
|
|
9803
|
Fri Apr 11 16:04:31 2014 |
Koji | Update | LSC | congratulation | It's
just one of the stepping stones, but not
yet a mile stone. |
|
|
990
|
Thu Sep 25 03:12:13 2008 |
rana | Summary | Computers | conlog and linux1 | It would be nice to have conlog from outside.
Right now its on linux1 and so its unavailable.
To
|
|
|
5379
|
Sat Sep 10 18:52:45 2011 |
rana | Update | Computers | conlog getting filled up | One of the reasons that conlog seems so
slow lately is that its been writing 100's
of MB of .log files every day since early |
|
|
8725
|
Wed Jun 19 16:04:56 2013 |
Jamie | Configuration | Computer Scripts / Programs | conlog startup fixed, and restarted | I cleaned up a bunch of conlog
stuff to make it all a little more sane and
simple. I also fixed the messy startup |
|
|
8726
|
Wed Jun 19 16:47:34 2013 |
Jamie | Configuration | Computer Scripts / Programs | conlog startup fixed, and restarted |
|
|
|
615
|
Tue Jul 1 14:24:58 2008 |
rob | HowTo | Computer Scripts / Programs | conlog time machine |
I've written a perl script (now in the $SCRIPTS/general
directory) which implements a "conlog restore" |
|
|
32
|
Tue Oct 30 19:32:13 2007 |
tobin | Problem Fixed | Computers | conlogger restarted | I noticed that the conlogger wasn't running.
It looks like it hasn't been running since
October 11th. I modified the restart_conlogger |
|
|
1224
|
Tue Jan 13 11:10:42 2009 |
rob | Configuration | Computers | conlogger restarted | unknown how long it's been down. |
|
|
1919
|
Mon Aug 17 09:52:04 2009 |
rob | Summary | General | conlogger restarted | I restarted the conlogger on op340m.
This needs to be done when op340m is rebooted--it
wasn't done for some reason and so we've |
|
|
1920
|
Mon Aug 17 17:43:11 2009 |
rana | Summary | General | conlogger restarted | Added the conlog directory to the SVN,
minus the enormous data directory. We are
now free to make changes to the conlog code. |
|
|
1921
|
Mon Aug 17 17:48:49 2009 |
rob | Summary | General | conlogger restarted |
|
|