| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2710
|
Wed Mar 24 14:52:02 2010 |
Alberto | Update | Green Locking | two NPRO PLL |
|
|
|
6857
|
Fri Jun 22 20:00:14 2012 |
Jamie | Omnistructure | Electronics | two RG-405 cables ran from 1X2 rack to control room | [Yaakov, Eric, Jenne, Yuta]
Two of our surfs, Yaakov and Eric,
pulled two unused RG-405/SMA cables that |
|
|
4483
|
Fri Apr 1 23:49:24 2011 |
kiwamu | Summary | Green Locking | two states in green beat-note | According
to the measurement done by Aidan and me,
there are two beat-note state. |
|
|
10433
|
Wed Aug 27 18:03:47 2014 |
ericq | Update | Green Locking | uPDH Box Checkup | Quick post of plots and data; I'll
fill in more detail tonight.
TL;DR: I pulled both green PDH boxes |
|
|
10437
|
Thu Aug 28 17:34:20 2014 |
ericq | Update | Green Locking | uPDH Box Checkup | I had noticed in the past, that the digital
control signal monitor for the X end would
saturate well before the ADC should saturate |
|
|
10438
|
Fri Aug 29 17:28:07 2014 |
rana | Update | Green Locking | uPDH Box Checkup |
|
|
|
10439
|
Fri Aug 29 23:53:35 2014 |
ericq | Update | Green Locking | uPDH Box Checkup | I had pulled out both X and Y servo boxes
for inspection, put the Y box back, soldered
in a missing op amp power capacitor on the |
|
|
10441
|
Tue Sep 2 20:02:06 2014 |
ericq | Update | Green Locking | uPDH Box Checkup | I narrowed down the saturation point in
the X green PDH box to the preamp inside
the AD8336, but there is still no clear answer |
|
|
10443
|
Wed Sep 3 00:17:22 2014 |
rana | Update | Green Locking | uPDH Box Checkup | What monitor point is being plotted here?
Or is it a scope probe output?
If this saturation is in the uPDH-X |
|
|
10447
|
Wed Sep 3 20:38:40 2014 |
ericq | Update | Green Locking | uPDH Box Checkup | The traces were from the front panel output
BNCs, but the VGA preamp exhibited this asymmetric
saturation at its output. |
|
|
10426
|
Fri Aug 22 18:00:08 2014 |
jamie | Omnistructure | CDS | ubuntu12 awgstream installed | I installed awgstream-2.16.14 in /ligo/apps/ubuntu12.
As with all the ubuntu12 "packages",
you need to source the ubuntu12 ligoapps |
|
|
10177
|
Thu Jul 10 17:33:26 2014 |
jamie | Omnistructure | Computer Scripts / Programs | ubuntu12 software installed, gds 2.16.3.2 | Rana wanted the latest GDS installed (for
newest DTT), so I made an ubuntu 12 install
directory into which I installed |
|
|
9966
|
Fri May 16 20:55:18 2014 |
Jamie | Frogs | lore | un-full-screening Ubuntu windows with F11 | Last week Rana and I struggled to figure
out how to un-full-screen windows on the
Ubuntu workstations that appeared to be stuck |
|
|
11253
|
Sun Apr 26 01:10:18 2015 |
rana | Update | ASC | unBroken Xass? | Today I tried some things, but basically,
lowering the input gain by 10 made the thing
stable. In the attached screenshotstrip, |
|
|
11255
|
Sun Apr 26 15:05:35 2015 |
Jenne | Update | ASC | unBroken Xass? | Thank you both.
I have updated the .snap file,
so that it'll use these parameters, as |
|
|
6571
|
Thu Apr 26 09:22:17 2012 |
steve | Update | | under the east end optical table |
|
|
|
6282
|
Wed Feb 15 11:34:01 2012 |
steve | Update | | under the shouth end optical table | I added an U channel based bottom shelf
at the south end today. |
|
|
1654
|
Fri Jun 5 01:10:13 2009 |
rob, pete | Update | Locking | undermined | We were stymied early in the evening by
a surreptitiously placed, verbo-visually
obfuscated command in the drstep script. |
|
|
13171
|
Tue Aug 8 17:04:26 2017 |
Steve | Update | VAC | unintended pump down | IFO pressure 2 Torr, PSL
shutter closed. I'm pumping down
with 2 roughing pumps with ion pump gate |
|
|
13172
|
Tue Aug 8 17:44:11 2017 |
Steve | Update | VAC | unintended pump down | Pumpdown stopped for over night at
~ 1 Torr
The roughing line disconnected. |
|
|
13175
|
Wed Aug 9 11:59:51 2017 |
Steve | Update | VAC | unintended pump down at vacuum normal | pd80b has reached Vac Normal. IFO pressure
0.5 mTorr
We need our vauum channels back |
|
|
11429
|
Sat Jul 18 16:59:01 2015 |
jamie | Update | CDS | unloaded, turned off loading of, symmetricom kernel module on fb | fb has been loading a 'symmetricom'
kernel module, presumably because it was
once being used to help with timing. |
|
|
1585
|
Thu May 14 02:36:05 2009 |
pete | Update | Locking | unstable IFO | It seems that the MC3 problem is intermittent
(one-day trend attached). I tried to
take advantage of a "clean MC3" |
|
|
14805
|
Wed Jul 24 12:24:43 2019 |
Milind | Update | IOO | unstick.py and ifotest | Moved the unstick.py code to the ifotest
repository here.
It now handles signals like those generated |
|
|
1955
|
Thu Aug 27 12:34:48 2009 |
Yoichi | Update | Locking | up to arm power 70 | Last night, I tried to run locking scripts.
The power went up to 70 a couple of times
.
|
|
|
12358
|
Sun Jul 31 17:28:38 2016 |
rana | Omnistructure | General | upclean | I cleaned up the south Electronics bench
today.
The other two, as well as several |
|
|
6286
|
Thu Feb 16 04:29:30 2012 |
kiwamu | Update | LSC | upconversion noise from BS motion | Sometimes ago I reported that there
have been a kind of upconversion noise when
PRM was excited (#6211). |
|
|
3556
|
Fri Sep 10 02:35:30 2010 |
rana, kiwamu, valera, tara | Configuration | PSL | update | Over the last couple nights we got the
beam into the FSS path and all the way to
the IMC and out onto the AP table. |
|
|
3544
|
Wed Sep 8 11:46:53 2010 |
kiwamu | Update | PSL | update of the layout | I put some
green stuff on the layout drawing. |
|
|
6303
|
Wed Feb 22 01:53:57 2012 |
kiwamu | Update | LSC | update on glitch table | I
tried SRMI. The glitch rate wasn't as high
as that of PRMI but it happened once per |
|
|
6386
|
Thu Mar 8 04:13:12 2012 |
kiwamu | Update | LSC | update on the locking activity | [Keiko / Kiwamu]
Some updates on the locking
activity: |
|
|
6393
|
Fri Mar 9 13:34:13 2012 |
keiko | Update | LSC | update on the locking activity | We tried to measure the sensing matrix
for MICH and PRCL last night. They look too
much mixed as we expect... the matrix may |
|
|
6398
|
Sat Mar 10 02:00:03 2012 |
keiko | Update | LSC | update on the locking activity | ITMX and ITMY balance for the MICH excitation
(lockin) is adjusted again. Now it's ITMx
= -0.992, ITMy = 1 for MICH (lockin output |
|
|
3254
|
Tue Jul 20 23:52:36 2010 |
kiwamu | Update | VAC | update: slow vent has started | The
vent is still going on. At this moment the
pressure inside of the chambers is about |
|
|
9897
|
Fri May 2 01:58:52 2014 |
rana | Configuration | Computer Scripts / Programs | updateDB configured to index NFS during CRON daily | I wanted
to use locate to find some files today, but |
|
|
8398
|
Wed Apr 3 01:32:04 2013 |
Jenne | Update | Computers | updated EPICS database (channels selected for saving) | I modified /opt/rtcds/caltech/c1/chans/daq/C0EDCU.ini
to include the C1:LSC-DegreeOfFreedom_TRIG_MON
channels. These are the same channel |
|
|
8400
|
Wed Apr 3 14:45:34 2013 |
Jamie | Update | Computers | updated EPICS database (channels selected for saving) |
|
|
|
15325
|
Tue May 12 17:51:25 2020 |
rana | Summary | Computer Scripts / Programs | updated LESS syntax highlight on nodus | apt install source-highlight
then modified bashrc to point to
/usr/share instead of /usr/bin |
|
|
8316
|
Wed Mar 20 14:44:47 2013 |
Jamie | Update | Optics | updated calculations of PRC/SRC g-factors and ARM mode matching | Below are new alamode calculations of the
PRC and SRC g-factors and arm mode matchings.
These include fixes to the ABCD matrices |
|
|
8339
|
Mon Mar 25 16:51:59 2013 |
Jenne | Update | Optics | updated calculations of PRC/SRC g-factors and ARM mode matching | I think we like the idea of flipping SR2
better than SR3 for the same ghost beam reasons
as PR2 is better than PR3. There isn't |
|
|
8687
|
Thu Jun 6 16:33:19 2013 |
steve | Update | safety | updated laser inventory | Updated laser inventory and operator
list. They are posted in the 40m wiki and
entry doors of the 40m IFO room. |
|
|
7060
|
Tue Jul 31 18:59:59 2012 |
Jamie | Update | CDS | updated medm paths for MISC (IFO,CDS,VIDEO), IFO alignment scripts updated accordingly | In an attempt to clean up the medm situation,
I did a bunch of further rearrangement and
cleanup. Instead of having c1ifo, I |
|
|
8209
|
Fri Mar 1 18:23:28 2013 |
Jamie | Update | Computer Scripts / Programs | updated version of "getdata" | I updated the getdata script so that it
can now handle downloading long stretches
of data. |
|
|
988
|
Wed Sep 24 19:13:06 2008 |
rana | Configuration | Computer Scripts / Programs | updatedb & locate: megatron & rosalba | I ran [I]updatedb[/I] as root today on megatron
and rosalba just before the meeting.
It finished at ~14:10 on both machines so |
|
|
5162
|
Wed Aug 10 00:21:10 2011 |
jamie | Update | CDS | updates to peakFit scripts | I updated the peakFit routines to make
them a bit more user friendly:
modified so that any subset |
|
|
14650
|
Mon Jun 3 23:18:59 2019 |
Milind | Update | Computer Scripts / Programs | updating bashrc | I was working with the git repo in the
SnapPy_pypylon folder (/cvs/cds/rtcds/caltech/c1/scripts/GigE/SnapPy_pypylon)
and needed to create a branch. To avoid any |
|
|
12191
|
Thu Jun 16 16:11:11 2016 |
jamie | Update | CDS | upgrade aborted for now | After poking at the new configuration more,
it also started to show instability.
I couldn't figure out how to make test |
|
|
16507
|
Wed Dec 15 13:57:59 2021 |
Paco | Update | Computers | upgraded ubuntu on zita | [Paco]
Upgraded zita's ubuntu and
restarted the striptool script. |
|
|
11649
|
Tue Sep 29 18:03:11 2015 |
rana | Update | LSC | use LISO | Use LISO - see what it tells you. I would
think that you should make a differential
RC filter to get the right behavior. (e.g. |
|
|
6993
|
Thu Jul 19 15:55:21 2012 |
rana | Update | Computers | used 'aptitude' to install software (TexLive) on rosalba | I used APTITUDE
to install texlive-full on rosalba so that
I could work on a paper. pdflatex was not |
|