| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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255
|
Wed Jan 23 11:41:06 2008 |
steve | Update | PEM | sulfur smell in 40m | Led - acid car batteries were overcharged
in the machine shop next door
and sulfuric acid smell is coming over to |
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256
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Wed Jan 23 12:31:36 2008 |
Andrey | Summary | SUS | Dissapointing Results of XARM optimization (PDF-file) |
I attach a PDF-file which summarizes briefly
the results of measurements/calculations |
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257
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Wed Jan 23 20:52:40 2008 |
rana | Summary | Environment | Flooding from construction area | We noticed tonight around 7 PM that [B]there
was a lot of brown water in the control room
and also in the interferometer area[/B] mostly |
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258
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Thu Jan 24 11:52:56 2008 |
steve | Update | PEM | the mud is cleaned up & MOPA shutter is opened | Safety glasses are required again!
I have just opened the mopa shutter.
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259
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Thu Jan 24 12:50:50 2008 |
John | Summary | Treasure | Sugar Napoleons | Some pictures from the group meeting yesterday. |
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260
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Thu Jan 24 20:03:40 2008 |
Andrey | Configuration | SUS | Changes to Dataviewer channels (XARM) |
1) [COLOR=blue]Good news.[/COLOR] I added
a chanel "C1:SUS-ETMX_POS" to Dataviewer.
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261
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Thu Jan 24 22:10:49 2008 |
Andrey | Configuration | Computer Scripts / Programs | Problem with channels - help of Rana, Robert or Steve is needed |
I definitely spoiled something (changes some
settings) by chaotically clicking those blue |
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262
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Thu Jan 24 22:52:18 2008 |
Andrey | Bureaucracy | General | Ants around a dirty glass (David - please read!) |
Dear coleagues,
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263
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Fri Jan 25 08:55:26 2008 |
rob | Configuration | General | Changes to Dataviewer channels (XARM) |
As a general rule,
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264
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Fri Jan 25 09:22:21 2008 |
steve | Update | PEM | burned toast award goes to | DYM for collaborating with the enemy.
In order to minimize the number of ants visiting |
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265
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Fri Jan 25 10:14:35 2008 |
rob | Configuration | SUS | Changes to Dataviewer channels (XARM) | [quote]
2) [COLOR=red]BAD NEWS.[/COLOR] While "clicking
the appropriate blue button" on the DAQ MEDM |
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266
|
Fri Jan 25 11:38:16 2008 |
josephb | Configuration | Cameras | Working GiGE video on Linux - sort of | 1)I have been able to compile the SampleViewer
program which can stream the video from the
Prosilica 750C camera. This was accomplished |
|
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267
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Fri Jan 25 13:36:13 2008 |
josephb | Configuration | Cameras | Working GiGE video on Mafalda | Finally got the GiGE camera sample viewer
video running on Mafalda by updating to the
latest API (version 1.16 from Dec 16, 2007) |
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268
|
Fri Jan 25 15:53:59 2008 |
Alberto | Update | Electronics | 40 dB from the 3rd order Chebyschev | I managed to tune the 7 knobs in the 3rd order
Chebyshev bandpass filter obtaining the tranfer
function attached to this entry. We have |
|
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269
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Fri Jan 25 17:11:07 2008 |
Max , Andrey | Configuration | General | NEW_FETCH_SHOUROV and GET_DATA do not work |
The problem which started yesterday after
Andrey's framebuilder restart still persists.
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270
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Fri Jan 25 21:36:40 2008 |
rana | Update | CDS | mDV / channel issues | [COLOR=orange]Fri Jan 25 21:30:00 2008[/COLOR]
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271
|
Sat Jan 26 02:02:43 2008 |
John | Summary | General | New Channels | I added the following channels.
# C1ASC_QPDs
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272
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Sat Jan 26 02:08:53 2008 |
John | Omnistructure | LSC | Fibres | There is now a fibre running from the SP table
to the ISCT at the Y-end. In the coming days
I will try to mode match the beam from this |
|
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273
|
Sat Jan 26 02:34:34 2008 |
Andrey | Update | Computer Scripts / Programs | Overnight Measuremts in XARM |
I am running the program for measuring RMS
of peaks in XARM tonight. I just started |
|
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274
|
Sat Jan 26 18:12:45 2008 |
rana | HowTo | Computers | extra processes and crashes | There were a load of extra processes on op440m;
they were all related to rogue DV processes
(frameMemRead, framer4, xmgrace, etc.)
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275
|
Sat Jan 26 18:48:43 2008 |
John | Summary | Computers | Restart iscepics | iscepics died this afternoon. We restarted
it and restored settings from yesterday.
I've written up instructions in the wiki. |
|
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276
|
Sat Jan 26 22:00:03 2008 |
John | Update | General | LSC-TRY_OUT and ETMY-QPD | In the path from the ETM to the trans PD and
QPD at the Y end I have replaced a BS1-1064-10-2037-45P
with a polariser. The power falling on these |
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277
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Sun Jan 27 13:13:21 2008 |
tobin | Metaphysics | General | departure | It's been grand. Thanks for having me!
GWAVES IN '08!
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278
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Sun Jan 27 21:44:48 2008 |
rana | Update | CDS | Seismic BLRMS on Matlab | I wrote a matlab script to produce band limited
RMS trends from our accelerometers. It mimics
the code written
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279
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Mon Jan 28 12:42:48 2008 |
Dmass | Bureaucracy | TMI | Coffee | There is tea in the coffee carafe @ the 40m.
It is sitting as though it were fresh coffee.
There is also nothing on the post it. |
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280
|
Mon Jan 28 15:11:38 2008 |
rob | HowTo | DMF | running compiled matlab DMF tools |
I compiled Rana's seisBLRMS monitor, and
it's now running on mafalda. To start your |
|
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281
|
Mon Jan 28 17:16:54 2008 |
Andrey | Configuration | Computers | Matlab libraries DO NOT WORK properly sometimes |
Working in Matlab, I encountered at two different
times today the license distribution problem:
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282
|
Mon Jan 28 18:56:47 2008 |
rana | Update | DMF | seisBLRMS 1.0 | [B]I made all of the updates I aludded to
before:[/B]
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283
|
Mon Jan 28 19:35:55 2008 |
rana | Summary | PEM | Accelerometer and Seismometer Coherences | [FONT=Arial][COLOR=purple]The attached PDF
shows that there is some strange behavior
at low frequencies.[/COLOR][/FONT]
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284
|
Tue Jan 29 14:56:39 2008 |
rob | Update | DMF | seisBLRMS 1.0 |
The [COLOR=red]seisBLRMS[/COLOR] 1.0 program
crashed at ~7:20 pm last night, so we didn't |
|
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285
|
Wed Jan 30 11:49:30 2008 |
Alberto | Summary | Electronics | RF monitor's filters final schematics and transfer functions | These are the final schematics for the 6th
order Chebyshev filters of the RF monitor
board. I'm also attaching the TF as I measured. |
8x |
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286
|
Wed Jan 30 13:09:55 2008 |
Andrey | Update | SUS | New results for XARM (pdf) |
See attachments: pdf-presentation with plots
in "true" axes Q_ETMX and Q_ITMX, and seismic |
|
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287
|
Wed Jan 30 20:39:31 2008 |
rob | Update | DMF | seisBLRMS |
In order to reduce the probability of [COLOR=red]seisBLRMS[/COLOR] |
|
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288
|
Thu Jan 31 12:39:14 2008 |
John | Configuration | General | Y arm test mass cameras | I've adjusted the test mass cameras on the
y arm to make the beam injected through ETMY
more visible. |
|
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289
|
Thu Jan 31 16:53:41 2008 |
josephb | Configuration | Cameras | Improving camera user interface | There's a new and improved version of Snap
program at the moment people are free to
play with.
|
|
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290
|
Fri Feb 1 10:43:05 2008 |
John | Update | Environment | Construction work | The boys next door have some [URL=http://dziban.ligo.caltech.edu:40/40m/?mode=full&reverse=0&reverse=1&npp=20&subtext=hammer]bigger
noisier[/URL] toys. |
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291
|
Fri Feb 1 12:37:39 2008 |
rob | Update | DMF | seisBLRMS trends |
Here are DV trends of the output of seisBLRMS
over the last ~36 hours (which is how long |
|
|
292
|
Fri Feb 1 15:04:54 2008 |
josephb | Configuration | Cameras | Snap with looping functionality available | New GiGE camera code is available in /cvs/cds/caltech/target/Prosilica/40mCode/.
Currently only runs on Mafalda.
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|
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293
|
Fri Feb 1 17:17:05 2008 |
John | Summary | PSL | Mach-Zender tweaking | I helped Rob adjust the alignment of the Mach-Zender
to try and reduce any AM on the laser light.
Our goal was to reduce the large offsets |
|
|
294
|
Sat Feb 2 14:11:27 2008 |
John | Summary | Computers | OPTLEVmaster screen | I changed the layout of the optlev master
screen. The old version is /cvs/cds/caltech/medm/old/C1ASC_OPTLEVmaster080202.adl |
|
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295
|
Sun Feb 3 05:02:41 2008 |
rana | Update | PEM | Seism 4 day | |
|
|
296
|
Mon Feb 4 22:01:57 2008 |
John | Summary | LSC | Fibres auxiliary locking - Fibers | I managed to couple ~75% of the light transmitted
from the y arm, through the fibre, back to
the SP table. I hoped that this would be |
|
|
297
|
Tue Feb 5 15:32:29 2008 |
josephb | Configuration | Cameras | PMC and the GigE Camera | The PMC transmission video camera has been
removed and replaced with the GigE GC750
camera for the moment.
|
|
|
298
|
Tue Feb 5 17:39:05 2008 |
jweiner | Configuration | PEM | PEM-AS_MIC taken down from AS table, will put in PSL enclosure soon | I took down the microphone that Andrey hung
above the AS table his first week in lab.
I want to hang the microphone above the PMC |
|
|
299
|
Wed Feb 6 09:17:31 2008 |
steve | Update | PEM | IST building construction continoues | The bulldosers at work |
|
|
300
|
Wed Feb 6 16:50:47 2008 |
josephb | Configuration | Cameras | Regions of Interest and max frame rate | The Snap code has once again been modified
such that setting the -l option to 0 will
take images as fast as possible. Also, the |
|
|
301
|
Wed Feb 6 19:39:11 2008 |
rana | Configuration | Cameras | Regions of Interest and max frame rate | We really need to look into making the 40m
CDS network have an all GigE backbone so
that we can have cooler cameras as well as |
|
|
302
|
Fri Feb 8 17:09:52 2008 |
Max Jones | Update | Computers | Changes to NoiseBudget | Today I altered the following files
caltech/NB/matlab/utilities/get_dtt_dataset
|
|
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303
|
Fri Feb 8 17:55:53 2008 |
josh | Configuration | PEM | PEM-AS_MIC now in PSL enclosure | I have moved the microphone to the PSL enclosure,
hanging near the south (Y) side from a support
rod for the overhanging storage area so that |
|
|
304
|
Sat Feb 9 13:05:48 2008 |
John | Summary | IOO | PMC camera/ HEPA | I replaced the Gig-E camera on the PMC trans
beam. The PZT was close to railing and I
wanted to adjust it. I just did a quick job, |
|