| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2322
|
Tue Nov 24 16:06:45 2009 |
Jenne | Update | Computers | 40m frame builder backup acting funny |
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|
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2321
|
Tue Nov 24 14:33:22 2009 |
Alberto | Update | ABSL | working on the AP table | I'm working on the AP table. I also opened
the auxiliary NPRO shutter. The auxiliary
beam is on its path on the AP table and PSL |
|
|
2320
|
Tue Nov 24 10:36:21 2009 |
Koji | Update | LSC | Measured MC length | What I meant was the VCO driver, not the
FSS box.
As for the frequency, all written |
|
|
2319
|
Tue Nov 24 08:00:16 2009 |
rana | Update | LSC | Measured MC length | I propose that from now on, we indicate
in the elog what frequencies we're referring
to. In this case, I guess its the front panel |
|
|
2318
|
Mon Nov 23 21:36:38 2009 |
Koji | Update | IOO | Aligned PMC/RC | I aligned the beam goes to PMC. It increased
the MC Trans from 8.25 to 8.30.
I also aligned the beam goes to RC. |
|
|
2317
|
Mon Nov 23 21:30:29 2009 |
Jenne | Update | LSC | Measured MC length | With Koji's help, I measured the length
of the Mode Cleaner.
The new modulation frequencies (as |
|
|
2316
|
Mon Nov 23 19:36:28 2009 |
Jenne | Update | Adaptive Filtering | How to add ASS channels, so that they're saved to frames | [Jenne, Sanjit]
We would like several channels from
the OAF/ASS screen to be saved to frames, |
|
|
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 |
|
|
2314
|
Mon Nov 23 16:28:12 2009 |
steve | Summary | Cameras | Video swicher options |
|
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|
2313
|
Mon Nov 23 11:03:00 2009 |
steve | Update | SUS | jackhammer special well under control |
|
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2312
|
Mon Nov 23 10:11:03 2009 |
steve | Update | PEM | long term temp fluctuation of the 40m lab |
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2311
|
Mon Nov 23 00:46:09 2009 |
rana, rob | Update | PSL | ISS RIN: Its too high by 10x | This plot shows the RIN as measured
by the ISS. Its ~2 x 10^-7, whereas its supposed
to be more like 3 x 10^-8. |
|
|
2310
|
Fri Nov 20 17:44:38 2009 |
Jenne | Update | Adaptive Filtering | Some svn shenanigans | [Sanjit, Jenne]
Sanjit and I are trying to put names
to some signals which exist in SimuLink land, |
|
|
2309
|
Fri Nov 20 16:18:56 2009 |
rob | Configuration | SUS | watchdog rampdown | I've changed the watchdog rampdown script
so it brings the SUS watchdogs to 220, instead
of the 150 it previously targeted. |
|
|
2308
|
Fri Nov 20 13:54:45 2009 |
Alberto | Omnistructure | Environment | New Paper and Cardboard Recycling Bins Introduced to the 40m | The 40m produces a large amount of paper
and cardboard waste. It would be worth it
if we disposed those kind of garbages for |
|
|
2307
|
Fri Nov 20 11:32:48 2009 |
Haixing | Update | SUS | Magnetic levitation | I added an integrator to increase
the gain at low frequencies (below 5 Hz).
In addition, I increased |
|
|
2306
|
Fri Nov 20 11:14:22 2009 |
josephb, alex | Configuration | Computers | test points working on megatron and we may have filters with switch outputs built in | Alex tooked at the channel definitions
(can be seen in tpchn_C1.par), and noticed
the rmid was 0. |
|
|
2305
|
Fri Nov 20 11:01:58 2009 |
josephb, alex | Configuration | Computers | Where to find RFM offsets | Alex checked out the old rts (which he
is no longer sure how to compile) from CVS
to megatron, to the directory: |
|
|
2304
|
Fri Nov 20 00:18:45 2009 |
rana | Summary | Cameras | Video MUX Selection Wiki page | Steve is summarizing the Video Matrix
choices into this Wiki page:
http://lhocds.ligo-wa.caltech.edu:8000/40m/Electronics/VideoMUX |
|
|
2303
|
Thu Nov 19 18:49:55 2009 |
Alberto | Configuration | elog | Elog debugging output - Down time programmed today to make changes |
|
|
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2302
|
Thu Nov 19 16:04:48 2009 |
Alberto | Configuration | elog | Elog debugging output - Down time programmed today to make changes | We want the elog process to run in verbose
mode so that we can see what's going. The
idea is to track the events that trigger |
|
|
2301
|
Thu Nov 19 11:33:15 2009 |
josephb | Configuration | Computers | Megatron | I tried rebooting megatron, to see if that
might help, but everything still acts the
same. |
|
|
2300
|
Thu Nov 19 10:19:04 2009 |
josephb | Update | Computers | Megatron tst status | I did a full make clean and make uninstall-daq-tst,
then rebuilt it. I copied a good version
of filters to C1TST.txt in /cvs/cds/caltech/chans/ |
|
|
2299
|
Thu Nov 19 09:55:41 2009 |
josephb | Update | Computers | Trying to get testpoints on megatron | This is a continuation from last night,
where Peter, Koji, and I were trying to get
test point channels working on megatron and |
|
|
2298
|
Thu Nov 19 09:48:54 2009 |
steve | Update | PEM | construction effect | 8 days plot: Thurdsay, Friday, Sat and
Sun without construction |
|
|
2297
|
Thu Nov 19 09:25:19 2009 |
steve | Update | MOPA | water was added to the laser chiller | I added ~500 cc of distilled water to the
laser chiller yesterday. |
|
|
2296
|
Thu Nov 19 08:53:12 2009 |
pete | Frogs | Environment | diesel fumes | Instead of doing RCG stuff, I went
to Millikan to work on data analysis as I
couldn't stand the fumes from the construction. |
|
|
2295
|
Wed Nov 18 22:38:17 2009 |
Koji | Update | Electronics | multi-resonant EOM --- EOM characterization --- | How can I get those values from the figure?
|
|
|
2294
|
Wed Nov 18 16:58:36 2009 |
kiwamu | Update | Electronics | multi-resonant EOM --- EOM characterization --- | In designing the whole circuit it is better
to know the characteristic of the EOM.
I made impedance measurement with |
|
|
2293
|
Wed Nov 18 16:24:25 2009 |
pete | Configuration | SUS | ETMY suspension conencted to megatron ADC/DAC | /cvs/cds/caltech/target/fb/daqd -c daqdrc
This starts the FB.
Now the dataviewer and DTT work! |
|
|
2292
|
Wed Nov 18 14:55:59 2009 |
kiwamu | Update | Electronics | multi-resonant EOM --- circuit design ---- | The circuit design of multi-resonant EOM
have proceeded.
By using numerical |
|
|
2291
|
Wed Nov 18 12:33:30 2009 |
Koji, josephb | Configuration | SUS | ETMY suspension conencted to megatron ADC/DAC | Hurraaaah!
We've got the damping of the suspension.
The Oplev loops has also worked!
The |
|
|
2290
|
Wed Nov 18 11:27:33 2009 |
Koji, josephb | Configuration | SUS | ETMY suspension conencted to megatron ADC/DAC |
|
|
|
2289
|
Wed Nov 18 01:12:15 2009 |
rana | Update | PEM | seismometers were not saturating during Halloween weekend | |
|
|
2288
|
Wed Nov 18 00:38:33 2009 |
rana | Summary | Electronics | Voltage Noise of the SR560's OUTPUTs (the back panel) | I've
measured the voltage noise of the SR560's
lead acid battery outputs; they're not so |
|
|
2287
|
Tue Nov 17 21:21:30 2009 |
rob | Update | SUS | ETMY UL OSEM | Had been disconnected for about two weeks.
I found a partially seated 4-pin LEMO cable
coming from the OSEM PD interface board. |
|
|
2286
|
Tue Nov 17 21:10:35 2009 |
rana | Summary | Electronics | Busby Low Noise Box: Photos and Upgrades | |
|
|
2285
|
Tue Nov 17 21:10:30 2009 |
Koji | Configuration | SUS | ETMY suspension conencted to megatron ADC/DAC | Koji, Rana
The megatron DAC was temporaly connected
to the suspension electronics for the DAC |
|
|
2284
|
Tue Nov 17 21:09:17 2009 |
Jenne, rana | Update | General | Little Thorlabs Photodiode | [Rana, Jenne]
We opened up the little Thorlabs
battery operated PD to see what was inside. |
|
|
2283
|
Tue Nov 17 15:54:34 2009 |
rana | Summary | PEM | 40 days of weather | the inside temperature is alarming at the
red level today - should check if the HIHI
value is set correctly |
|
|
2282
|
Tue Nov 17 15:23:06 2009 |
Koji | Configuration | SUS | ETMY suspension conencted to megatron ADC/DAC | OK.
Now, Timing/ADC/DAC are working. It's almost
there.
1) As a temporaly |
|
|
2281
|
Tue Nov 17 13:39:37 2009 |
Koji | Configuration | SUS | ETMY suspension conencted to megatron ADC/DAC | 0) Now the connection for the ETMY suspension
was restored in a usual state. It damps
well. |
|
|
2280
|
Tue Nov 17 11:09:43 2009 |
Koji | Configuration | SUS | ETMY suspension conencted to megatron ADC/DAC | I have connected ETMY sus electronics to
megatron ADC/DAC.
We continue this state until 15:00 |
|
|
2279
|
Tue Nov 17 10:09:57 2009 |
josephb | Update | Environment | Fumes | The smell of diesel is particularly bad
this morning. Its concentrated enough
to be causing me a headache. I'm heading |
|
|
2278
|
Tue Nov 17 00:42:12 2009 |
Koji | Update | Computers | Updated wiki with RCG instructions/tips | Dmass, Joe, Koji
A puzzle has been solved:
Dmass gave us a great tip
|
|
|
2277
|
Mon Nov 16 17:35:59 2009 |
kiwamu | Update | LSC | OMC-LSC timing get synchronized ! | An interesting thing was happened in the
OMC-LSC timing clock.
Right now the |
|
|
2276
|
Mon Nov 16 17:24:28 2009 |
josephb | Configuration | Computers | Camera medm functionality improved | Currently the Camera medm screen (now available
from the sitemap), includes a server and
client script buttons. The server has |
|
|
2275
|
Mon Nov 16 15:58:02 2009 |
josephb | Configuration | General | Added Gige camera to AP table, added some screens | I placed a GC750 gige camera looking at
a pickoff of the AS port, basically next
to the analog camera, on the AP table. |
|
|
2274
|
Mon Nov 16 15:18:10 2009 |
haixing | Update | SUS | Stable magnetic levitation without eddy-current damping |
|
|
|
2273
|
Mon Nov 16 15:13:25 2009 |
josephb | Update | Computers | ezcaread updated to Yoichi style ezcawrite | In order to get the gige camera code running
robustly here at the 40m, I created a "Yoichi
style" ezcaread, which is now the default, |
|