ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
1315
|
Mon Feb 16 23:09:52 2009 |
rana | Update | Electronics | MC Servo Board offset gone bad! | The attached plot shows that someone broke
the MC_SUM_MON channel around 10:30 AM this
past Wednesday the 11th. This is the EPICS |
|
1316
|
Tue Feb 17 05:20:11 2009 |
Yoichi | Update | LSC | Locking | Since we excluded *.snap and *.req files from
the svn control in the medm directory and
these were not restored by the svn co, the |
|
1317
|
Wed Feb 18 03:17:40 2009 |
Yoichi | Update | LSC | Locking | Yoichi, Kakeru,
Last night, the cm_step script failed at |
|
1318
|
Wed Feb 18 03:25:25 2009 |
Yoichi | Update | Computers | medm directory back | I restored the medm directory from the backup
on the tape.
The directory had an svn property svn:ignore |
|
1319
|
Wed Feb 18 15:31:38 2009 |
steve | Bureaucracy | SAFETY | emergency back-up lights checked | All
13 exit and emergency back-up lights
and their batteries were checked.
|
|
1320
|
Wed Feb 18 19:13:20 2009 |
rana | Configuration | Computers | SVN & MEDM & old medm files | Allegra had a 2 year old version of SVN installed
and CentOS (yum) couldn't upgrade it, so
I did an 'svn remove subversion'
|
|
1321
|
Wed Feb 18 21:03:22 2009 |
rana | Update | Cameras | ETMY Camera work not elogged! | The control room video is showing us a
false ETMY image. Who worked on the ETMY
camera or video today??!! |
|
1322
|
Wed Feb 18 21:10:21 2009 |
rana | Update | IOO | MC Drumhead mode lost again | In early December, Caryn and I noticed that
the MC Drumhead mode was visible at the Qmon
point of
|
|
1323
|
Thu Feb 19 04:16:17 2009 |
Yoichi | Update | LSC | Locking status | Rob, Yoichi
We checked the CM-MC cross over just before |
|
1324
|
Thu Feb 19 11:51:56 2009 |
steve | Update | MOPA | HTEMP variation is too much | The C1:PSL-MOPA_HTEMP variation is more
than 0.5 C daily
Normally this
temp stays well within 0.1 C
This |
|
1325
|
Thu Feb 19 16:29:43 2009 |
Yoichi | Update | Computers | Martian wireless router bad | The Martian wireless router is dead.
I rebooted it several times, but it hangs
up in a minute.
|
|
1326
|
Thu Feb 19 22:40:33 2009 |
Kiwamu | Update | Electronics | PSL angle QPD | I checked a broken QPD, which was placed
for PSL angle monitor, and finally I cocluded
one segment of the quadrant diode was |
|
1327
|
Thu Feb 19 23:50:31 2009 |
pete | Update | Locking | aligned pd's on AP table | Yoichi, Peter
While continuing our efforts to lock,
we noticed the procedure failed at a point |
|
1328
|
Fri Feb 20 01:54:18 2009 |
Kakeru | Update | Computer Scripts / Programs | tdsdata might have a bug | I found a strange jump of value in my data
taken with tdsdata.
I couldn't find same jump in |
|
1329
|
Fri Feb 20 03:52:23 2009 |
Yoichi | Update | Locking | Locking Tonight | Yoichi, Peter
Tonight, we had a problem with the DD hand |
|
1330
|
Fri Feb 20 19:31:16 2009 |
Yoichi | Update | LSC | MICH low gain problem | Last night, we found that MICH UGF was too
low. Even after re-aligning the PDs, it was
still too low.
|
|
1331
|
Sun Feb 22 23:43:07 2009 |
caryn | Summary | General | temperature sensor | Comparing PSL-FSS-RMTEMP and PEM-MC1-TEMPS
So, to compare temp channels, I made
a plot of PSL-FSS_RMTEMP and PEM-MC1_TEMPS(the |
12x |
1332
|
Mon Feb 23 11:07:01 2009 |
steve | Bureaucracy | SAFETY | Kiwamu receives safety training | Osamu and Kiwamu received 40m safety training
on Thursday, Feb 19, 2009
Kiwamu needs Osamu's close supervision |
|
1333
|
Mon Feb 23 16:42:08 2009 |
josephb | Configuration | Cameras | Camera Beta Testing | I've setup the GC650 camera (ID 32223)
to look at the mode cleaner transmission.
I've also added an alias to the camera server |
|
1334
|
Tue Feb 24 02:23:40 2009 |
Yoichi | Update | Locking | Locking - MC board bad | Rob, Yoichi, Alberto, Kiwamu, Kakeru
We found that the OMC alignment feedback |
|
1335
|
Tue Feb 24 18:42:15 2009 |
pete | Update | Locking | mc board repair | Peter, Yoichi
Last night:
|
|
1336
|
Wed Feb 25 03:10:24 2009 |
Yoichi | Update | Locking | Locking status | Rob, Yoichi, Kakeru, Kiwamu
Tonight, CARM -> MCL hand off was not stable. |
|
1337
|
Wed Feb 25 11:48:02 2009 |
Jenne | Update | PEM | Wiener filtering update - work on filtering some S5 DARM_CTRL data | Quick update on my wiener filtering status:
Joe has been helping me get on the
GRID, so I now have a grid certificate, |
 |
1338
|
Thu Feb 26 00:36:53 2009 |
Yoichi | Summary | Computers | C1:LSC-TRX_OUT broken (and fixed later). | Today, Kakeru tried to convert C1:LSC-TRX_OUT
and C1:LSC-TRY_OUT to DAQ channels.
He edited C1LSC.ini in the chans/daq directory |
|
1339
|
Thu Feb 26 01:24:44 2009 |
Yoichi | Update | Computers | Martian wireless is back | Today, a new wireless router arrived.
I configured and installed it. Now the martian
wireless network is back.
|
|
1340
|
Thu Feb 26 19:20:08 2009 |
Yoichi | Configuration | General | ETMX camera centered. POX, POY PDs centered | Alberto, Yoichi
We centered the ETMX camera.
|
|
1341
|
Thu Feb 26 19:59:23 2009 |
Yoichi | Update | Locking | Daytime locking | Osamu, Yoichi
We tried locking today from about 2PM.
|
  |
1342
|
Thu Feb 26 20:09:32 2009 |
Yoichi | HowTo | Computers | SR785 python scripts now produce plots | I updated the python scripts to remotely perform
measurements with an SR785.
Now these scripts can plot the results immediately |
|
1343
|
Fri Feb 27 13:49:19 2009 |
rob | Update | Locking | thurs night | Could not get past arm power of ~11 or
so. I was suspicious of the transmon
high-gain/low-gain PD handover, so I ran |
|
1344
|
Mon Mar 2 03:57:44 2009 |
Yoichi | Update | Locking | Sunday night locking | Tonight's locking started with a boot fest
of the FE computers which were all red when
I came in.
|
|
1345
|
Mon Mar 2 16:27:40 2009 |
Alberto | Configuration | Electronics | MC Drum Mode SR560 Preamplifier Replaced | Today I checked out the SR560 around the
lab. I confirmed that the one with the label
"channel A noisy" is effectively |
|
1346
|
Mon Mar 2 21:16:32 2009 |
Yoichi | Update | Locking | Low-gain High-gain PD switching may not be working well | Osamu, Yoichi
This afternoon, I run the locking script |
|
1347
|
Tue Mar 3 08:44:31 2009 |
steve | Update | PEM | air cond. maintenance today | IFO room 104 air conditions will be shut
down for maintenance today.
This
should be finished by noon.
The |
|
1348
|
Tue Mar 3 10:39:07 2009 |
Alberto | Update | LSC | c1lsc discontinued functioning | The c1lsc has been unstable since last
night. Its status on the DAQ screen was oscillating
from green to red every minute. |
|
1349
|
Tue Mar 3 11:39:50 2009 |
Osamu | DAQ | Computers | 2 PCs in Martian | Kiwamu and I brought 2 SUPER MICRO
PCs from Willson house into 40m.
Both PCs are hooked up into Martian |
|
1350
|
Tue Mar 3 19:26:44 2009 |
Yoichi | Update | Locking | Low-gain High-gain PD switching may not be working well | I checked the switching of the QPDX from high
gain to low gain.
Switching happens as expected, but the low |
|
1351
|
Tue Mar 3 23:59:26 2009 |
Yoichi | Update | Locking | Low-gain High-gain PD switching may not be working well | [quote]I checked the switching of the QPDX
from high gain to low gain.
Switching happens as expected, but the low |
|
1352
|
Wed Mar 4 03:37:51 2009 |
Yoichi | Update | Locking | Low-gain High-gain PD switching may not be working well | [quote]
This sounds like the QPD whitening gain sliders
may be stuck. The slider twiddling script |
|
1353
|
Wed Mar 4 03:50:17 2009 |
Yoichi | Update | Locking | Still won't go above arm power 10 | Yoichi, Kentaro
The IFO still loses lock at around arm power |
  |
1354
|
Wed Mar 4 12:38:07 2009 |
Alberto | Update | Computer Scripts / Programs | 3f locking simulations | I simulated the REFL signals demodulated
at the differential frequencies of the sidebands
(f2-f1), at their summed frequencies (f2+f1). |
  |
1355
|
Wed Mar 4 17:20:04 2009 |
josephb | Update | Cameras | Camera code upgrades | I've updated the digital camera python
code as well as changed the network topology.
At the moment, both cameras are connected |
|
1356
|
Wed Mar 4 17:59:14 2009 |
Yoichi | Configuration | Computers | ezca tools and tds tools work around | Some of ezca commands and tds commands sporadically
fail with a segmentation fault on linux machines.
As far as I know, ezcawrite, ezcastep, ezcaswitch, |
|
1357
|
Wed Mar 4 23:42:45 2009 |
rana | Configuration | PSL | psl db change | I made |
|
1358
|
Thu Mar 5 00:06:32 2009 |
Kakeru, Rana | Update | IOO | WFS centering | We found that the MC REFL image was no longer
round and that the MCWFS DC quadrant spots
were mostly
|
|
1359
|
Thu Mar 5 01:09:29 2009 |
rana, alberto | Update | DMF | still not working | We tried to run DMF on mafalda, but it didn't
work. I tried to compile it using Rob's elog
instructions.
|
|
1360
|
Thu Mar 5 02:24:19 2009 |
rana | Configuration | Computers | yum.repos.d | I added the following repos which
I found on allegra to megatron and then did
a 'yum install sshfs' on both machines: |
|
1361
|
Thu Mar 5 05:07:09 2009 |
Yoichi | Update | Locking | Wednesday night locking | Tonight, I was having a problem with the PO_DC
hand-off.
It fails most of the time.
|
 |
1362
|
Thu Mar 5 23:18:38 2009 |
Kakeru | Configuration | Computers | tdsdata doesn't work | I found that tdsdata doesn't work.
When I star tdsdata, he takes a few ~ 10 |
|
1363
|
Fri Mar 6 01:04:49 2009 |
Kiwamu IZUMI | Configuration | IOO | !! lock-in amp disconnected !! | The power supply of a lock-in amp, which
is on the Y-arm side of PSL clean room, was
pulled out by my mistake. |
|
1364
|
Fri Mar 6 05:44:14 2009 |
Yoichi | Update | Locking | Locking distracted by the QPD whitenning problem again | Tonight, I was able to ramp up the arm power
to around 20. Then the DARM loop started
to oscillate and the IFO lost lock in a few |
|