| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
16081
|
Fri Apr 23 15:52:19 2021 |
Ian MacMillan | Update | CDS | 40m LSC simPlant model | I have attached the framework that I am
using for the full system. Plantframework.pdf
has the important aspects that I will be |
|
|
6520
|
Wed Apr 11 16:33:16 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | Action
Items from Last Week:
(non-existant) |
|
|
6597
|
Thu May 3 13:35:56 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | Action
Items:
IFO |
|
|
6636
|
Wed May 9 15:50:13 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | I'm combining the IFO check-up list (elog
6595) and last week's action items list |
|
|
6667
|
Wed May 23 13:57:11 2012 |
Jenne | Bureaucracy | General | 40m Meeting Action Items | PRIORITY
ITEMS:
Align Ygreen beam - |
|
|
6668
|
Wed May 23 20:41:37 2012 |
Suresh | Bureaucracy | General | 40m Meeting Action Items: Tip-tilts : cabling and electronics |
|
|
|
8786
|
Fri Jun 28 16:19:06 2013 |
Charles | Update | ISS | 40m Noise Budget - Seismic Contribution | I'm working on developing a full
noise budget for the 40m. To that end, I'll
use measurements from the GUR1 seismometer |
|
|
14366
|
Wed Dec 19 00:12:46 2018 |
gautam | Update | OMC | 40m OMC DCC node | I made a node
to collect drawings/schematics for the 40m
OMC, added the length drive for now. We should |
|
|
3451
|
Fri Aug 20 17:46:30 2010 |
rana | Update | PSL | 40m PSL Upgrade Layout v0.3 | http://lhocds.ligo-wa.caltech.edu:8000/40m/PSL/LayoutUpgrade
P-pol = purple
S-pol = red |
|
|
15323
|
Sat May 9 17:01:08 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | I took the phase maps of the 40m X arm
mirrors and calculated what is the loss of
a gaussian beam due to a single bounce. I |
|
|
15329
|
Wed May 13 15:13:11 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | Koji pointed out during the group meeting
that I should compensate for local tilt when
I move the beam around the mirror for calculating |
|
|
15332
|
Thu May 14 12:21:56 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | I finished calculating the X Arm loss using
first-order perturbation theory. I will post
the details of the calculation later. |
|
|
15333
|
Thu May 14 19:00:43 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | Perturbation theory:
The cavity modes |
|
|
15338
|
Tue May 19 15:39:04 2020 |
Yehonathan | Update | Loss Measurement | 40m Phase maps loss estimation | I have a serious concern about this low
angle scattering analysis:
Phase maps perturb the spatial |
|
|
6974
|
Fri Jul 13 15:49:38 2012 |
yuta | Bureaucracy | General | 40m Priority Action Items | These are all priority action items need
to be done before I come back (in mid-September).
|
|
|
6222
|
Wed Jan 25 15:04:41 2012 |
Jenne | Bureaucracy | SAFETY | 40m SOS supplies moved off of cleanroom flow bench | Bob, Callum and Daphen noted that our keeping
a JDSU HeNe (max power <4mW) is against
somebody's SOP. So I cleared everything |
|
|
12220
|
Tue Jun 28 16:09:41 2016 |
Praful | Update | General | 40m Summary Pages | Set up gwsumm on optimus and generated
summary pages from both L1 and C1 data. Still
a few manual steps need to be taken during |
|
|
2044
|
Fri Oct 2 17:00:06 2009 |
Alberto | Update | General | 40m Update - Requirements on the 5x Frequency Multiplier | Here's the gist of the requirements on
the 5x frequency multiplier for the upgrade
(see attachemnt - despite the preview down |
|
|
3072
|
Sat Jun 12 19:41:04 2010 |
Alberto | Update | Locking | 40m Upgrade Optickle Model | I wrote down the settings according to
which I tuned the optickle model of the 40m
Upgrade. |
|
|
3074
|
Sun Jun 13 08:28:44 2010 |
valera | Update | Locking | 40m Upgrade Optickle Model | In my calculation of the digital
filters of the optical transfer functions
the carrier light is resonant in coupled |
|
|
3075
|
Mon Jun 14 07:57:07 2010 |
alberto | Update | Locking | 40m Upgrade Optickle Model |
|
|
|
3079
|
Tue Jun 15 21:28:44 2010 |
alberto | Update | Locking | 40m Upgrade Optickle Model |
|
|
|
6733
|
Thu May 31 17:47:25 2012 |
Suresh | Omnistructure | General | 40m Wireless Network | Mike Pedraza came by today to install a
new wireless network router configured for
the 40m lab network. It has a 'secret' |
|
|
6741
|
Fri Jun 1 10:00:03 2012 |
steve | Omnistructure | General | 40m Wireless Network |
|
|
|
3106
|
Wed Jun 23 15:15:53 2010 |
josephb | Summary | Computers | 40m computer security issue from last night and this morning | The following is not 100% accurate, but
represents my understanding of the events
currently. I'm trying to get a full |
|
|
3869
|
Fri Nov 5 15:20:18 2010 |
josephb, alex | Summary | CDS | 40m computer slow down solved | Problem:
The 40m computers were responding
sluggishly yesterday, to the point of being |
|
|
3872
|
Fri Nov 5 21:49:12 2010 |
rana | Summary | CDS | 40m computer slow down solved |
|
|
|
3877
|
Sat Nov 6 16:13:14 2010 |
rana | Summary | CDS | 40m computer slow down solved | As part of the effort to debug what was
happening with the slow computers, I disabled
the auto MEDM snapshots process that Yoichi/Kakeru |
|
|
13262
|
Mon Aug 28 16:20:00 2017 |
gautam | Update | CDS | 40m files backup situation | This elog is meant
to summarize the current backup situation |
|
|
13263
|
Mon Aug 28 17:13:57 2017 |
ericq | Update | CDS | 40m files backup situation | In addition to bootable full disk backups,
it would be wise to make sure the important
service configuration files from each machine |
|
|
13332
|
Tue Sep 26 15:55:20 2017 |
gautam | Update | CDS | 40m files backup situation | Backups
of the root filesystems of |
|
|
13339
|
Thu Sep 28 10:33:46 2017 |
gautam | Update | CDS | 40m files backup situation | After consulting with Jamie, we reached
the conclusion that the reason why the root
of FB1 is so huge is because of the way the |
|
|
13340
|
Thu Sep 28 11:13:32 2017 |
jamie | Update | CDS | 40m files backup situation |
|
|
|
13342
|
Thu Sep 28 23:47:38 2017 |
gautam | Update | CDS | 40m files backup situation | The nodus
backup too is now complete - however, |
|
|
13345
|
Fri Sep 29 11:07:16 2017 |
gautam | Update | CDS | 40m files backup situation | The FB1 |
|
|
13361
|
Thu Oct 5 13:58:26 2017 |
gautam | Update | CDS | 40m files backup situation | The 4TB HGST drives have arrived. I've
started the FB1 dd |
|
|
13364
|
Fri Oct 6 12:46:17 2017 |
gautam | Update | CDS | 40m files backup situation | Looks to have worked this time around.
|
|
|
13404
|
Sat Oct 28 00:36:26 2017 |
gautam | Update | CDS | 40m files backup situation - ddrescue | None of the 3 dd backups I made were bootable
- at boot, selecting the drive put me into
grub rescue mode, which seemed to suggest |
|
|
2315
|
Mon Nov 23 17:53:08 2009 |
Jenne | Update | Computers | 40m frame builder backup acting funny | As part of the fb40m restart procedure
(Sanjit and I were restarting it to add some
new channels so they can be read by the OAF |
|
|
2322
|
Tue Nov 24 16:06:45 2009 |
Jenne | Update | Computers | 40m frame builder backup acting funny |
|
|
|
2330
|
Wed Nov 25 11:10:05 2009 |
Jenne | Update | Computers | 40m frame builder backup acting funny |
|
|
|
10507
|
Mon Sep 15 18:55:51 2014 |
rana | Update | DAQ | 40m frames onto the cluster | Dan Kozak is rsync transferring /frames
from NODUS over to the LDAS grid. He's doing
this without a BW limit, but even so its |
|
|
10632
|
Wed Oct 22 21:06:33 2014 |
Chris | Update | DAQ | 40m frames onto the cluster |
|
|
|
5651
|
Tue Oct 11 17:32:05 2011 |
jamie | HowTo | Environment | 40m google maps link | Here's another useful link:
http://maps.google.com/maps?q=34.13928,-118.123756 |
|
|
340
|
Sun Feb 24 10:51:58 2008 |
tf | Frogs | Environment | 40m in phdcomics? | [url=http://www.phdcomics.com/comics/archive.php?comicid=977][img]http://www.phdcomics.com/comics/archive/phd021308s.gif[/img][/url] |
|
|
6058
|
Thu Dec 1 11:25:10 2011 |
steve | Update | PEM | 40m infrastructure holds up well in strong wind condition | Santa Anna wind speed was locked
around 60 kmph last night on campus. The
strongest in 30 years. The lab hold |
|
|
5650
|
Tue Oct 11 15:19:17 2011 |
rana | HowTo | Environment | 40m map | The Kinemetrics dudes are |
|
|
15300
|
Tue Apr 7 15:30:40 2020 |
Jon | Summary | NoiseBudget | 40m noise budget migrated to pygwinc | In the past year, pygwinc has expanded
to support not just fundamental noise calculations (e.g.,
quantum, thermal) but also any number of |
|
|
15303
|
Tue Apr 14 23:50:06 2020 |
Koji | Update | General | 40m power glitch recovery | [Koji / Gautam (Remote)]
Lab
status |
|
|
2115
|
Mon Oct 19 11:00:52 2009 |
steve | HowTo | SAFETY | 40m safety training | Kiwamu, Alex and Zach are practicing mandatory
IR-safety scan at the 40m-PSL
40m specific safety indoctrination |
|