| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
103
|
Wed Nov 14 17:50:00 2007 |
tobin | Update | PSL | ISS | Here's the current wiring between the ISS
and its PDs:
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|
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104
|
Thu Nov 15 04:18:11 2007 |
John | Summary | PSL | PMC cavity pole measurements | In connection with our work on the ISS I attempted
to measure the PMC cavity pole.
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|
|
105
|
Thu Nov 15 17:09:37 2007 |
pkp | Update | OMC | Vertical Transfer functions with no cables attached. | [Norna Pinkesh]
The cables connecting all the electronics |
|
|
106
|
Thu Nov 15 18:06:06 2007 |
tobin | Update | Computers | alex: linux1 root file system hard disk's dying | I just noticed that Alex made [url=http://www.ldas-sw.ligo.caltech.edu/ilog/pub/ilog.cgi?group=40m&date_to_view=11/14/2007&anchor_to_scroll_to=2007:11:14:20:00:29-aivanov]an
entry in the old ilog[/url] yesterday, saying:
"[color=red][b]Looks like linux1 root filesystem |
|
|
107
|
Thu Nov 15 18:23:55 2007 |
John | HowTo | Computers | Swap CAPS and CTRL on a Windows 2000/XP machine | I've swapped ctrl and caps on the four control
room Windows machines. Right ctrl is unchanged.
|
|
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108
|
Thu Nov 15 18:36:48 2007 |
John | Summary | | PSL table work | I've rotated the lambda/2 plate to 340deg
(from 6 deg) and blocked one arm of the Mach-Zender.
Undo both if you need to. |
|
|
109
|
Thu Nov 15 18:37:06 2007 |
tobin | Update | Computers | possible replacement for linux1's disk | It looks like the existing disk in linux1
is a Seagate ST380013A (this can be found
either via the smartctl utility or by looking |
|
|
110
|
Fri Nov 16 11:27:18 2007 |
tobin | Update | Computers | script fix | I added a tidbit of code to "LIGOio.pm" that
fixes a [url=http://lhocds.ligo-wa.caltech.edu:8000/40m/EZCA]problem
with ezcastep on Linux[/url]. Scripts such |
|
|
111
|
Fri Nov 16 14:11:26 2007 |
tobin | Update | Computers | op140 | Alan called to say that Phil Ehrens will be
coming by to take [b]op140[/b] off our hands. |
|
|
112
|
Fri Nov 16 14:31:43 2007 |
tobin | Update | Computers | op140 disks | Phil Ehrens stopped by and took op140's disks. |
|
|
113
|
Fri Nov 16 18:46:49 2007 |
steve | Bureaucracy | PSL | MOPA was turned off & on | The "Mohana" boys scouts and their parents
visited the 40m lab today.
The laser was turned off for their safety.
|
|
|
114
|
Mon Nov 19 14:19:25 2007 |
steve | Omnistructure | PEM | jackhammer | The construction personal successfully jackhemmered
a fence around the "Drever's parking slot"
There is no parking space available close |
|
|
115
|
Mon Nov 19 14:32:10 2007 |
steve | Bureaucracy | SAFETY | grad student safety training | John Miller and Alberto Stochino has received
the 40m safety bible.
They still have to read the laser operation |
|
|
116
|
Tue Nov 20 10:11:33 2007 |
John | Summary | PSL | PMC pole measurements | We measured the PMC pole in the following
way.
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|
117
|
Tue Nov 20 11:10:07 2007 |
tobin | Update | Computers | epics access from matlab | I installed "[url=http://www.slac.stanford.edu/~strauman/labca/]labca[/url]",
which allows [b]direct access to EPICS channels
from within Matlab[/b]. It comes with both |
|
|
118
|
Tue Nov 20 13:06:57 2007 |
tobin | Configuration | Computers | linux1 has new disk | Alex put the new hard disk into linux1 along
with a fresh install of linux (CentOS).
The old disk was too damaged to copy.
|
|
|
119
|
Tue Nov 20 18:02:54 2007 |
John | Summary | Computers | PSL_Main screen | I've updated the PSL_MAIN screen. The old
version may be found in cvs/cds/caltech/medm/old/medm/psl. |
|
|
120
|
Tue Nov 20 18:35:20 2007 |
John | HowTo | Computers | MatLab in Emacs | If you can't get MatLab to run in emacs try
adding the following to the .emacs file
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|
|
121
|
Wed Nov 21 14:31:41 2007 |
rob | Update | PSL | FSS twiddle |
I `tweaked' the FSS path today. Here's what
I did:
|
|
|
122
|
Mon Nov 26 10:17:31 2007 |
steve | Omnistructure | SUS | etmy sus damping restored | 20 days plot is showing etmy loosing damping
4 times.
I zoomed in with each event. Three of them |
|
|
124
|
Tue Nov 27 15:45:08 2007 |
rob | Configuration | PSL | FSS loop |
It's unclear (to me, at least) what was the
end result of the FSS path tweaking before |
|
|
125
|
Tue Nov 27 15:47:17 2007 |
rob | Configuration | IOO | MC loop | After the FSS running pretty quick, I checked
the MC loop. I used TPA 1&2.
|
|
|
126
|
Tue Nov 27 16:18:58 2007 |
rob | Configuration | IOO | MC loop | Reduced the common gain to 22dB in the [COLOR=blue]mcup[/COLOR]
script, so that the WFS would not blow the
lock. The above measure of the OLG was done |
|
|
127
|
Tue Nov 27 20:47:00 2007 |
tobin | Update | PSL | FSS | Rana, Tobin
We looked at the RF PD signal to the FSS |
|
|
128
|
Wed Nov 28 04:21:46 2007 |
rana | Update | PSL | FSS | [quote]Rana, Tobin
[SIZE=1]
We looked at the RF PD signal to the FSS |
|
|
129
|
Wed Nov 28 08:47:29 2007 |
steve | Omnistructure | VAC | rga is out of order | The rga is not working since Nov 10
The controller is broken.
pd65-m-d23 |
|
|
130
|
Wed Nov 28 12:43:53 2007 |
Andrey | Bureaucracy | | Here was the PDF-file of my presentation |
I was making a report with powerpoint presentation
during that Wednesday's 40-m meeting.
|
|
|
131
|
Wed Nov 28 16:18:15 2007 |
Alberto | Metaphysics | Environment | so clean you can eat on it | I tidied up the desks in the lab, brought
the Spectrum Analyzers back to the Salumeria
(you don't want to know about that), sorted |
|
|
132
|
Wed Nov 28 16:46:28 2007 |
rana | Configuration | Computers | scientific linux 5.0 | I tried installing Scientific Linux on Tiramisu.
The installation process was so bad (really)
that I quit after 15 minutes. Its back to |
|
|
133
|
Wed Nov 28 17:15:26 2007 |
rana | Configuration | SUS | ETMY damping / watchdogs | Steve has noted that ETMY was often tripping
its watchdog. I saw this again today.
|
|
|
134
|
Wed Nov 28 17:41:34 2007 |
rob | Update | PSL | FSS again | I investigated the FSS a bit more today.
I looked at the signals coming out of the
FSS frequency reference, and saw that both |
|
|
135
|
Wed Nov 28 19:02:41 2007 |
Andrey | Bureaucracy | WIKI-40M Update | New WIKI-40M page describing Matlab Suspension Modeling |
I created the WIKI-40m page with some details
about my today's talk on the 40-m lab meeting.
|
|
|
136
|
Wed Nov 28 19:44:18 2007 |
tobin | Update | PSL | HEPA | I found the HEPA turned off completely. I
turned it on. |
|
|
137
|
Wed Nov 28 21:51:52 2007 |
tobin | Configuration | PSL | ISS | I replaced the front-end differential receivers
for the ISS's "inner-loop" sensor and monitor
diode inputs with lower-noise [url=http://focus.ti.com/docs/prod/folders/print/ths4131.html]THS4131[/url]'s |
|
|
138
|
Thu Nov 29 10:36:47 2007 |
alberto | Configuration | Computer Scripts / Programs | Agilent 82357B GPIB to USB Interface Installation Procedeure | To run the Agilent Automation-Ready CD provided
with the interface is only the first step
of the installation. Apparently there should |
|
|
139
|
Thu Nov 29 11:10:54 2007 |
rob | Omnistructure | VAC | RGAlogger sleeping | Without the RGA controller responding, the
RGAlogger script just hangs. Rather than
fix it, I just put it to sleep by commenting |
|
|
140
|
Thu Nov 29 14:29:22 2007 |
tobin | Configuration | Computers | linux1 httpd/conlogger fixed | I think I fixed the [url=http://linux1/cgi-bin/conlog_web.pl]conlogger
web interface on linux1[/url].
|
|
|
141
|
Thu Nov 29 15:17:53 2007 |
rob | Configuration | PSL | ISS |
I put some ISS beam on the diode on the PSL
table. In the previous layout, this was |
|
|
142
|
Thu Nov 29 18:10:13 2007 |
Alberto | HowTo | Computer Scripts / Programs | GPIB Scripts | I've spent a lot of time trying to configurate
the GPIB-USB interface for the HP4195. After
installing 1) the Agilent libraries, 2) the |
|
|
143
|
Thu Nov 29 19:35:14 2007 |
rana | HowTo | Computer Scripts / Programs | GPIB Scripts | [quote]I've spent a lot of time trying to
configurate the GPIB-USB interface for the
HP4195. After installing 1) the Agilent libraries, |
|
|
144
|
Fri Nov 30 11:22:22 2007 |
ajw | Summary | CDS | GEO DV => LIGO DV | [quote][URL=http://www.aei.mpg.de/~hewitson/]Martin
Hewitson[/URL] of [B]GEO600[/B] fame has
modified the cool GEO DV
|
|
|
145
|
Fri Nov 30 11:44:57 2007 |
rob | Configuration | Electronics | ETMX oplev | In the interests of getting the Xarm alignment
script working again, I reset the local damping
gains for the test masses to their previous |
|
|
146
|
Fri Nov 30 13:46:50 2007 |
rob | Configuration | Electronics | ETMX oplev dead again | [quote]In the interests of getting the Xarm
alignment script working again, I reset the
local damping gains for the test masses to |
|
|
147
|
Fri Nov 30 19:11:05 2007 |
rana | Configuration | Electronics | ETMX oplev dead again | I removed the ETMX HeNe and put in on a test
table and it fired up fine. In its
previous location the light on the HeNe power |
|
|
148
|
Fri Nov 30 19:29:14 2007 |
rana | Configuration | SUS | new screen | Andrey is working on a new screen to show
us the drift of the optics by alarming on
their osem values. [COLOR=darkred]You can |
|
|
149
|
Fri Nov 30 19:46:58 2007 |
rana | Configuration | Computers | EPICS Time Bad again | The time on the EPICS screens is off by 10
minutes again. Por Que?
|
|
|
150
|
Fri Nov 30 20:13:57 2007 |
dmass | Summary | General | HeNe UniPhase Laser | Data for the Uniphase 1.9 mW HeNe laser (labeled:
"051507 From ISCT-BS") SN: 1284131 Model:
1103P
|
|
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151
|
Fri Nov 30 20:17:26 2007 |
Andrey | Configuration | PEM | Accelerometers and alum.plates for them | All 6 accelerometers which were located near
the ITMX are turned off and disconnected
from the power cords.
|
|
|
152
|
Fri Nov 30 21:27:24 2007 |
rana | DAQ | PEM | weather / stacis / c1pem1 | I was trying to add some Seis BLRMS channels
to the c1pem1 processor so that we could
have DMT trends.
|
|
|
153
|
Sun Dec 2 17:37:33 2007 |
rana | Omnistructure | Computers | Network Cabling in the Office | We all know that we've spent many integrated
man hours trying to figure out why our network
connections
|
|