| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7518
|
Wed Oct 10 10:55:56 2012 |
Steve | Omnistructure | IOO | access connector at athmoshere |
|
|
|
10473
|
Mon Sep 8 16:23:25 2014 |
Larry | HowTo | Computer Scripts / Programs | accessing 40m data remotely with python |
Attached is an example script showing
how to access 40m data remotely. The only |
|
|
13186
|
Thu Aug 10 15:45:34 2017 |
Steve | Update | VAC | accidental vent to 17 Torr | Finally we got the cold cathode gauge working.
IFO pressure 7e-6 Torr-it, vacuum normal
valve configuration with all 4 ion pump gate |
|
|
7650
|
Wed Oct 31 22:56:41 2012 |
Den | Update | PEM | acoustic noise | Microphone preamp box had a low-pass filter
at 2kHz, Ayaka changed it to 20 kHz by replacing
100pF capacitor with a 10pF. |
6x |
|
6565
|
Wed Apr 25 00:20:01 2012 |
Den | Update | PEM | acoustic noise at 40m | Blue
Bird Mic is suspended close to PMC now and
outputs ~10 counts when pre-amp gain is 8 |
|
|
6671
|
Thu May 24 02:55:36 2012 |
Den | Update | PEM | acoustic noise in MCL | Mic in the PSL showed that fluctuations
in the MCL in the frequency range 10 - 100
Hz are due to acoustic noise. I've measured |
|
|
445
|
Thu Apr 24 23:27:48 2008 |
rana | Update | PEM | acoustic noise in MC_F | I looked at the [COLOR=darkblue][FONT=Comic
Sans MS][SIZE=3]coherence between the Microphone
in the PSL (PEM-AS_MIC) and the MC_F[/SIZE][/FONT][/COLOR] |
|
|
7659
|
Thu Nov 1 20:20:33 2012 |
Den, Ayaka | Update | WienerFiltering | acoustic noise in PMC | We've subtracted acoustic noise from PMC
using 1 EM 172 microphone. We applied a 10
Hz high-pass filter to PMC length signal |
|
|
13530
|
Thu Jan 11 09:57:17 2018 |
Steve | Update | DAQ | acromag at ETMX | Good going Johannes!
|
|
|
12604
|
Mon Nov 7 19:49:44 2016 |
Johannes | Update | CDS | acromag chassis hooked up to PSL | [Lydia, Johannes]
We're waiting on the last couple
electrical components to arrive that are |
|
|
12607
|
Tue Nov 8 17:51:09 2016 |
Lydia | Update | CDS | acromag chassis hooked up to PSL | We set up the chassis in 1X7 today. Steve
is ordering a longer 25 pin cable to reach.
Until then the PSL diagnostic channels will |
|
|
12632
|
Mon Nov 21 19:54:13 2016 |
Johannes | Update | CDS | acromag chassis hooked up to PSL | [Lydia, Johannes]
We connected and powered up the
Acromag chassis today. It lives in 1X4 and |
|
|
8103
|
Tue Feb 19 02:23:40 2013 |
yuta | Bureaucracy | General | action items for PRFPMI | These are things need to be done for demonstrating
PRFPMI using ALS.
All of these should be done before |
|
|
8163
|
Mon Feb 25 22:30:40 2013 |
Jenne | Bureaucracy | General | action items for PRFPMI |
CDS:
- Check out ASS |
|
|
8261
|
Fri Mar 8 16:05:56 2013 |
yuta | Bureaucracy | General | action items for PRMI / ALS-FPMI | We should focus our work both on PRMI and
ALS-FPMI (elog
#8250). |
|
|
4241
|
Wed Feb 2 15:07:20 2011 |
josephb | Update | CDS | activateDAQ.py now includes PEM channels | [Joe, Jenne]
We
modified the activateDAQ.py script to handle |
|
|
5143
|
Mon Aug 8 19:45:27 2011 |
jamie | Update | CDS | activateDQ script run; SUS channels being acquired again | > Also the BS is missing its DAQ channels
again (JAMIE !) so we can't diagnose it with
the free swinging method. |
|
|
15882
|
Mon Mar 8 20:11:51 2021 |
rana | Frogs | Computer Scripts / Programs | activate_matlab out of control on Megatron | there were a zillion processes trying to
activate (this is the initial activation
after the initial installation) matlab 2015b |
|
|
16999
|
Wed Jul 13 13:30:48 2022 |
Yehonathan | Update | BHD | add Laser RIN to MICH budget | the main laser noise coupling for a Michelson
is because of the RIN, not the frequency
noise. You can measure the RIN, in MC trans |
|
|
17013
|
Mon Jul 18 16:49:57 2022 |
Yehonathan | Update | BHD | add Laser RIN to MICH budget | I measured the RIN by taking the spectrum
of C1:MC_TRANS_SUMFILT_OUT and
dividing it by the mean count on that channel |
|
|
17015
|
Mon Jul 18 18:33:38 2022 |
Koji | Update | BHD | add Laser RIN to MICH budget | You should measure the coupling
by noise injection. Noise budgeting does
not need any modeling: |
|
|
2462
|
Mon Dec 28 23:56:44 2009 |
kiwamu, rana | Update | Computers | add the HILO drift channels to the burt | The HIGH and LOW channels are added into
the burt request file "/target/c1losepics/autoBurt.req".
These values are used to colorize |
|
|
780
|
Fri Aug 1 11:51:15 2008 |
justing | Omnistructure | Computers | added /cvs/cds/site directory | I added a /cvs/cds/site directory. This is
the same as is dicsussed [URL=http://ilog.ligo-la.caltech.edu/ilog/pub/ilog.cgi?group=detector&date_to_view=04/19/2008&anchor_to_scroll_to=2008:04:19:15:54:09-lisab]here[/URL].
Right now it just has the text file 'cit' |
|
|
16870
|
Tue May 24 10:37:09 2022 |
Tega | Update | VAC | added FRG channels to slow channel ini file | [Vacuum gauge sensors]
Paco informed me that the FRG sensor
EPICS channels are not available on dataviewer, |
|
|
6372
|
Wed Mar 7 13:30:17 2012 |
Jim | Update | PEM | added TPs and JIMS channels to PEM front-end model | [Jim Ryan]
The PEM model has been modified now
to include a block called 'JIMS' for the |
|
|
4420
|
Mon Mar 21 18:34:10 2011 |
kiwamu | Update | Green Locking | added a new ADC channel on 1X9 | I added a new ADC channel for a DC signal
from the X end green PD. |
|
|
624
|
Wed Jul 2 15:14:42 2008 |
steve | Update | General | added beam traps | I placed baked razor beam trap after INJ_SM1
and flipper in the injection path on the
AP table
|
|
|
7067
|
Wed Aug 1 11:50:49 2012 |
Jamie | Update | CDS | added input monitors to LSC_TRIGGER library part | I added an EPICS monitor to the input of
the LSC_TRIGGER part, to allow monitoring
the signal used for the trigger. I |
|
|
4019
|
Tue Dec 7 12:12:40 2010 |
kiwamu | Update | CDS | added some more DAQ channels | [Joe and Kiwamu]
We
added some more DAQ channels on c1sus. |
|
|
14255
|
Mon Oct 15 12:52:54 2018 |
yuki | Update | Computer Scripts / Programs | additional comments |
Quote:
|
|
|
6941
|
Mon Jul 9 05:02:58 2012 |
yuta | Update | Locking | adjusted ALS filters, current RMS | I adjusted filters of ALS to give more
phase margin.
RMS |
|
|
2682
|
Thu Mar 18 15:33:17 2010 |
kiwamu | Summary | Electronics | advantege of our triple resonant EOM | In
this LVC meeting I discussed about triple
resonant EOMs with Volker who was a main |
|
|
2683
|
Thu Mar 18 19:00:04 2010 |
Koji | Summary | Electronics | advantege of our triple resonant EOM | Did you find what is the merit of their
impedance matching technique?
|
|
|
9343
|
Tue Nov 5 08:44:21 2013 |
Steve | Update | IOO | after last steering mirror mount swap | The IOO Angle and IOO Position qpds
were recentered after this entry.
Suggested corrections in elog |
|
|
11705
|
Wed Oct 21 10:03:15 2015 |
Steve | Update | VAC | after running out of N2 |
|
|
|
2156
|
Wed Oct 28 14:39:10 2009 |
steve | Update | PEM | after the tour of the 40m | Illuminators and PSL lights turned off.
HEPA filter speed increased from 20 to 100% |
|
|
11259
|
Mon Apr 27 09:09:15 2015 |
Steve | Update | PEM | air cond filters checked |
|
|
|
13895
|
Tue May 29 16:33:04 2018 |
Steve | Update | PEM | air cond filters replaced | Chris replaced some air condition filters
and ordered some replacement filter today.
|
|
|
5407
|
Wed Sep 14 15:05:52 2011 |
steve | Update | PEM | air cond maintenance | Jeff has changed our AC filters inside
the lab this morning. Now he is checking
on the main filters at CES. He will |
|
|
6754
|
Tue Jun 5 14:17:14 2012 |
steve | Update | PEM | air cond maintenance |
Air conditioning maintenance
is scheduled for tomorrow from 8 to 11am |
|
|
6782
|
Thu Jun 7 09:52:05 2012 |
steve | Update | PEM | air cond maintenance |
|
|
|
10773
|
Wed Dec 10 14:26:13 2014 |
steve | Update | PEM | air cond maintenance and particle plot |
|
|
|
10761
|
Mon Dec 8 09:03:49 2014 |
steve | Update | PEM | air cond maintenance tomorrow morning |
AC maintenance is scheduled
from 8am till 11am tomorrow morning. |
|
|
8314
|
Wed Mar 20 08:59:24 2013 |
Steve | Update | PEM | air cond maitenance is today | Outside air quality at 8:30am
1.1 million of 0.5 micron particles cf /
min with MET counter #2 |
|
|
7744
|
Mon Nov 26 10:58:20 2012 |
Steve | Update | PEM | air cond maitenance tomorrow | Air conditioning maintenance is scheduled
for tomorrow morning till noon. |
|
|
8219
|
Mon Mar 4 11:30:47 2013 |
Steve | Update | PEM | air cond problem |
The air cond is out of order
at the area covered by racks 1 X 1 |
|
|
2972
|
Mon May 24 07:53:57 2010 |
steve | Configuration | PEM | air cond. just turned ON | IFO room temp 27.5C , Please remember to
turn AC back on ! |
|
|
1347
|
Tue Mar 3 08:44:31 2009 |
steve | Update | PEM | air cond. maintenance today | IFO room 104 air conditions will be shut
down for maintenance today.
This
should be finished by noon.
The |
|
|
12712
|
Fri Jan 13 14:18:28 2017 |
Steve | Update | PEM | air condition fixed | The old control room AC has been
stick in heating mode for
about 2 months. It's thermostate |
|
|
3192
|
Mon Jul 12 10:23:51 2010 |
steve | Update | PEM | air condition maintenance is today | The AC filters will be checked and/or replaced
today. This means the AC will be off for
sort periods of time. Temperature and particle |
|