| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14197
|
Wed Sep 12 22:22:30 2018 |
Koji | Update | Computers | SSL2.0, SSL3.0 disabled | LIGO GC notified us that nodus had SSL2.0
and SSL3.0 enabled. This has been disabled
now. |
|
|
7
|
Mon Oct 22 12:02:59 2007 |
ajw | Routine | General | STACIS as microseismic shaker | In case we ever want to use our Stacis systems
as shakers, check this:
[URL=http://www.techmfg.com/appnotes/Stacis_microseismic_shaker_appnote.htm]link[/URL] |
|
|
7231
|
Sun Aug 19 19:56:20 2012 |
Yaakov | Update | STACIS | STACIS signal box made | I made the signal box as described in eLog
7210. It adds the geophone signal and |
|
|
7258
|
Thu Aug 23 15:42:48 2012 |
rana | Update | STACIS | STACIS signal box made |
I found this
entry in the old 40m ilog which |
|
|
2428
|
Thu Dec 17 17:13:50 2009 |
Alberto | Omnistructure | Environment | STACIS stuff | One of the electronics benches is currently
occupied by the STACIS equipment.
We
need that table If no one is working on the |
|
|
16885
|
Wed Jun 1 12:56:44 2022 |
Paco | Summary | Electronics | STEMlab 125 handout | [Paco, Deeksha]
Yesterday I handed Deeksha a red
pitaya (stemlab 125 - 10) to begin her summer |
|
|
6981
|
Tue Jul 17 18:00:58 2012 |
Masha | Update | PEM | STS | Den and investigated the STS-1 problem
(which is currently plugged into ADC channels
13, 14, and 15, which correspond to the STS-3 |
|
|
6987
|
Wed Jul 18 11:05:40 2012 |
Masha | Update | PEM | STS Coherene | I realized what the ADC channel mismatch
was, and apologize for plotting a terrible
coherence in log scale. The channels are |
|
|
6499
|
Fri Apr 6 19:04:35 2012 |
Jenne | Update | PEM | STS releveled, GUR2 plugged in | [Den, Jenne]
We were wondering why the STS-2 signal
was funny. When I went to look at it, |
|
|
7080
|
Thu Aug 2 22:52:23 2012 |
Masha | Configuration | PEM | STS, GUR2, and Trillium in isolation box. | Den and I moved the Streckeisen, Guralp
2, and Trillium seismometers to the isolation
box in order to measure the noise of the |
|
|
6977
|
Mon Jul 16 11:50:56 2012 |
Masha | Update | PEM | STS-1 | It seems that the STS-1 ADC channels had
the same mismatch issue as the GUR-2 channels.
The PEM_MONITOR has STS_1 listed as channels |
|
|
5059
|
Fri Jul 29 12:25:54 2011 |
Ishwita, Manuel | Update | PEM | STS-2 seismometer box | The 'Bacardi' STS-2 seismometer was tested
with the "purple" breakout box
and it was found out that all the three axes |
|
|
5018
|
Fri Jul 22 14:22:13 2011 |
Ishwita, Manuel | Update | PEM | STS-2 seismometer hardware testing | We have two STS-2 seismometer boxes...
the blue
box & the |
|
|
5033
|
Mon Jul 25 18:51:38 2011 |
Manuel | Update | PEM | STS-2 seismometer hardware testing with Jan | [Jan,
Manuel, Jenne]
Jenne called Jan to check and figure |
|
|
5213
|
Fri Aug 12 17:05:22 2011 |
Manuel, Ishwita | Configuration | PEM | STS2 Cable configuration | The WWF_M connector is the end
of the STS2 seismometer orange cable and |
|
|
4484
|
Mon Apr 4 11:52:13 2011 |
Jenne | Update | PEM | STS2s unpacked | I unpacked the STS2 seismometers that we
borrowed from LLO. They are sitting
underneath the Xarm, in the middle of the |
|
|
6880
|
Wed Jun 27 11:35:06 2012 |
Sasha | Summary | Computer Scripts / Programs | SURF - Week 1 - Summary | I started playing with matlab for the first
time, accurately simulated a coupled harmonic
oscillator (starting from the basic differential |
|
|
6957
|
Wed Jul 11 10:17:18 2012 |
Sasha | Summary | Simulations | SURF - Week 2 and 3 - Summary | These past two weeks, I've been working
on simulating a basic |
6x |
|
6985
|
Wed Jul 18 09:53:20 2012 |
Sasha | Summary | Simulations | SURF - Week 4 - Summary | This past week, I've been working on moving
forward with the basic cavity |
|
|
7022
|
Wed Jul 25 10:31:33 2012 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary | This week I've been working on refining
my simulation and getting it |
|
|
7028
|
Wed Jul 25 14:35:45 2012 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary |
|
|
|
7065
|
Wed Aug 1 10:45:38 2012 |
Sasha | Summary | Simulations | SURF - Week 6 - Summary | This week, I worked on transferring my
Simulink
simulation to the RCG |
|
|
7116
|
Wed Aug 8 11:16:06 2012 |
Sasha | Summary | Simulations | SURF - Week 7 - Summary | This week, I brought my c1lsp model online
and fixed up some the |
|
|
12118
|
Tue May 17 05:50:43 2016 |
Varun Kelkar | Update | General | SURF 2016 | Hello, I am Varun Kelkar. I will be working
at the 40m lab as a SURF student this summer
with Eric Quintero on Audio processing for |
|
|
12121
|
Wed May 18 17:42:52 2016 |
Varun | Update | General | SURF 2016 | Finished writing the code on whitening.
I have to still test it. uploaded on github
noise cancellation repo. @eric could you |
|
|
12123
|
Fri May 20 00:06:19 2016 |
Varun | Update | General | SURF 2016 | I have written a basic version of AGC,
and have done some tests with a data file.
will do tests on whitening and agc today. |
|
|
12127
|
Mon May 23 17:47:51 2016 |
Varun | Update | General | SURF 2016 | Tested the AGC today with LSC cavity transmission
signal and error signal. Not in real time
still. |
|
|
12136
|
Wed May 25 14:29:31 2016 |
Varun | Update | General | SURF 2016 | Edited the AGC to include overlapping frames
yesterday. forgot to put an elog on it!
|
|
|
12137
|
Thu May 26 18:10:48 2016 |
Varun | Update | General | SURF 2016 | Wrote and tested a function for downconversion.
It contains a mixer with a sinusoidal input
for modulation with the desired frequency |
|
|
12153
|
Tue Jun 7 17:21:13 2016 |
Aakash | Update | General | SURF 2016 | Hi!
I am Aakash Patil. I will be working
at the 40m lab as a SURF student with Gautam |
|
|
12134
|
Wed May 25 11:51:40 2016 |
Steve | Update | safety | SURF 2016 safety |
|
|
|
12157
|
Wed Jun 8 10:20:14 2016 |
Steve | Update | safety | SURF 2016 safety | Aakash Patil received 40m specific basic
safety training.
|
|
|
12228
|
Wed Jun 29 15:34:00 2016 |
Steve | Update | safety | SURF 2016 safety | Praful Vasiceddy received 40m specific
basic safety training.
|
|
|
6962
|
Wed Jul 11 14:22:54 2012 |
Eric | Summary | General | SURF Update | Here's
what I accomplished since my last elog: |
|
|
6990
|
Wed Jul 18 15:38:05 2012 |
Eric | Summary | Simulations | SURF Update | Most of my work has been on continuing to develop the
Simulink model of the differential arm length |
|
|
7025
|
Wed Jul 25 11:34:31 2012 |
Eric | Summary | Simulations | SURF Update | I am continuing work on simulating the
DARM control loop. There is now a block for the length response |
|
|
7064
|
Wed Aug 1 10:38:11 2012 |
Eric | Summary | General | SURF Update | Since my last update I have modified the DARM control
loop model to the extent that it resembles |
|
|
7119
|
Wed Aug 8 13:16:58 2012 |
Eric | Summary | General | SURF Update |
|
|
|
7195
|
Wed Aug 15 16:29:59 2012 |
Eric | Summary | General | SURF Update | This week I took more data for the calibration
of YARM. The summary of measurements |
|
|
6881
|
Wed Jun 27 14:12:44 2012 |
Eric | Summary | General | SURF Week 1 | I started work familiarizing myself with
the ELOG and some of the control systems
at the 40m. I spent a fair bit of time gaining |
|
|
1697
|
Wed Jun 24 12:04:22 2009 |
Zach | Update | Cameras | SURF entry | This week, I've been reading some literature
concerning PLL and familiarizing myself with
LINUX, MATLAB, and high-pass filter circuits. |
|
|
3150
|
Wed Jun 30 18:16:55 2010 |
steve | Update | SAFETY | SURF safety training 2010 | 40m SURFs Razib Obaid, Nancy Aggarwal,
Unknown Bearded SMURF, Megan |
|
|
6848
|
Thu Jun 21 15:00:55 2012 |
steve | Update | SAFETY | SURFs 2012 safety training | Masha, Eric, Yaakov, Liz and Sasha received
40m specific basic safety training. |
|
|
652
|
Wed Jul 9 15:04:22 2008 |
steve | Metaphysics | Photos | SURFs helping hands | Surf students are helping out with baffle
cleaning. |
|
|
4902
|
Tue Jun 28 21:05:05 2011 |
Jamie | Update | SUS | SUS control model updated | I have updated the sus_single_control model,
adjusting/cleaning up/simplifying the LSC/POS
input signals, and routing new signals to |
|
|
6623
|
Tue May 8 09:58:17 2012 |
Den | Update | CDS | SUS -> FB | [Alex, Den]
It |
|
|
10934
|
Fri Jan 23 10:07:15 2015 |
Steve | Update | SUS | SUS Drift ETMX vs ETMY | ETMX YAW stopped drifting Jan 8, 2015
|
|
|
10870
|
Wed Jan 7 14:35:44 2015 |
diego | Update | SUS | SUS Drift Monitor | The SUS Drift Monitor screen has been updated:
removed the old dead channels
from the MEDM screen;
updated |
|
|
10881
|
Thu Jan 8 23:02:30 2015 |
diego | Update | SUS | SUS Drift Monitor | The MEDM screen has been updated: the new
buttons, one for each optic, call the scripts/general/SUS_DRIFTMON_update_reference.py
script, which measures (and averages) for |
|
|
763
|
Wed Jul 30 01:08:50 2008 |
rana | Summary | SUS | SUS Drift Screen | This is a snap of the SUS Drift screen with
all of the optics biases set back to their
nominal
|
|