| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
1215
|
Sun Jan 4 13:17:23 2009 |
Alan | Omnistructure | Computer Scripts / Programs | New 40mWebStatus | I have set up some code in /cvs/cds/caltech/scripts/webStatus
along with a cronjob on controls@nodus to
generate a webStatus every half hour, at |
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1216
|
Mon Jan 5 11:21:05 2009 |
Alan | Omnistructure | Computer Scripts / Programs | New 40mWebStatus | [quote]
I guess we need some kind of "official" crontab
file for controls@nodus so that we know how/where |
|
|
1217
|
Thu Jan 8 16:49:37 2009 |
rana | Configuration | lore | HP 5550dtn (Grazia) set up on allegra | [quote]I set up printing to grazia from allegra.
The CUPS interface was not as straightforward
as Tobin had made it seem in the Wiki. I |
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1218
|
Thu Jan 8 20:26:17 2009 |
rob | Omnistructure | General | Earthquake in San Bernardino | Magnitude 4.5
Date-Time
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1219
|
Fri Jan 9 09:14:17 2009 |
steve | Update | PEM | ifo is recovered after eq | There is no obvious damage from last night
earth quake.
All sus dampings were turned on, MC locked |
|
|
1220
|
Fri Jan 9 16:52:18 2009 |
steve | Update | VAC | tp3 forline pump replaced | Alberto took 40m vacuum 101 class as we replaced
the drypump at the annulus pump line.
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|
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1221
|
Fri Jan 9 17:30:10 2009 |
Kakeru | Update | Computers | Snapshots of MEDM screens | I wrote a web page which shows snapshots of
MEDM screens generated by Yoich's script
(e-log #1206).
|
|
|
1222
|
Mon Jan 12 10:57:38 2009 |
rob | Update | General | some stuff |
The AS beam was not hitting the AS166 diode,
so I aligned the last little steering mirror |
|
|
1223
|
Mon Jan 12 18:53:03 2009 |
Yoichi | Update | LSC | AS CCD centering and ASDD demod phase | After Rob's AS beam work, I centered the beam
on the AS CCD.
I also optimized the ASDD demod-phase for |
|
|
1224
|
Tue Jan 13 11:10:42 2009 |
rob | Configuration | Computers | conlogger restarted | unknown how long it's been down. |
|
|
1225
|
Tue Jan 13 18:59:09 2009 |
Kakeru | Update | LSC | AS CCD centering and ASDD demod phase | I tuned the demod-phase for PRCL and SRCL
hand-off, but it have not been optimized
enoughly.
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|
|
1226
|
Wed Jan 14 09:22:43 2009 |
steve | HowTo | VAC | N2 supply pressure lowered for vac valves | [quote]I've been replacing the N2 bottles
recently.
I noticed that the consumption is too high. |
|
|
1227
|
Wed Jan 14 10:59:06 2009 |
steve | Bureaucracy | VAC | rga waiting to be "connected" | We have no RGA data since old Dycor passed
away in the middle of Oct, 2008
New SRS-RGA200 was installed on the vac envelope |
|
|
1228
|
Wed Jan 14 15:53:32 2009 |
steve | DAQ | PSL | MC temperature sensor | [quote]I added a channel for the temperature
sensor on the MC1/MC3 chamber: C1:PSL-MC_TEMP_SEN.
To do that I had to reboot the frame builder. |
|
|
1229
|
Thu Jan 15 09:19:32 2009 |
steve | Update | IOO | MC locking | MC2 sus damping was found tripped at the morning
the second time this week.
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|
|
1230
|
Thu Jan 15 22:30:32 2009 |
rana | Configuration | DMF | DMF start script | I tried to restart the DMF using the start_all
script: http://dziban.ligo.caltech.edu:40/40m/280
|
|
|
1231
|
Fri Jan 16 11:28:54 2009 |
Yoichi | Update | Computers | Lab. laptop needs wireless lan driver update | One of the lab. laptops (belladonna) cannot
connect to the network now.
I guess this was caused by someone clicked |
|
|
1232
|
Fri Jan 16 11:33:59 2009 |
rob | Configuration | DMF | DMF start script | [quote]I tried to restart the DMF using the
start_all script: http://dziban.ligo.caltech.edu:40/40m/280
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|
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1233
|
Fri Jan 16 18:25:32 2009 |
Yoichi, Kakeru, Rana | Update | LSC | Arms were unstable | The single arm lock had been unstable for
both arms in the past few days.
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|
|
1234
|
Fri Jan 16 18:29:08 2009 |
Yoichi | Update | SUS | Oplevs QPDs centered | Kakeru centered ITMX and BS optical levers
with the help of Jenne on the walkie-talkie. |
|
|
1235
|
Fri Jan 16 18:33:54 2009 |
Yoichi | Summary | Computers | c1lsc rebooted to fix 16Hz glitches | Kakeru, Yoichi
There were 16Hz harmonics in the PD3 and |
|
|
1236
|
Fri Jan 16 18:45:20 2009 |
Yoichi | Configuration | IOO | MC_L gain increased by a factor of 2 | Rana, Yoichi
Since we fixed the FSS AOM double-pass, which |
|
|
1237
|
Mon Jan 19 13:58:53 2009 |
Yoichi | Update | ASC | Better ditherServo.pl | Nick Smith (@LHO) tested the ditherServo.pl
at Hanford.
He added options to specify exit conditions |
|
|
1238
|
Mon Jan 19 15:10:37 2009 |
Yoichi | HowTo | Computers | loadLIGOData a GUI for mDV | I installed loadLIGOData, a product of my
weekend project, in /cvs/cds/caltech/apps/loadLIGOData.
This is a Matlab GUI for getting data from |
|
|
1239
|
Mon Jan 19 18:21:41 2009 |
rana | Update | Computers | loadLIGOData a GUI for mDV | The tool is very nice; I looked at the seismic
trend for 16 days (attached).
However, it gives some kind of error when |
|
|
1240
|
Tue Jan 20 15:28:42 2009 |
Yoichi | Update | Computers | loadLIGOData a GUI for mDV | [quote]The tool is very nice; I looked at
the seismic trend for 16 days (attached).
|
|
|
1241
|
Wed Jan 21 16:18:17 2009 |
Kakeru | Update | LSC | AS CCD centering and ASDD demod phase | I tuned the DD demod-pahse for SRM.
It was tuned as the error singnal is to be
0 when the cavity is locked.
|
|
|
1242
|
Wed Jan 21 22:53:08 2009 |
rana | Update | LSC | AS CCD centering and ASDD demod phase | Just my opinion, but I think all we want out
of the DD signals is something to control
the DRM
|
|
|
1243
|
Thu Jan 22 08:34:10 2009 |
steve | Bureaucracy | SAFETY | safety training | Kakeru received 40m safety training yesterday.
He has no authorization to work alone in |
|
|
1244
|
Thu Jan 22 11:54:09 2009 |
Alberto | Configuration | PSL | Mach Zehnder Output Beam QPD | I rotated by 180 degrees the 10% beam splitter
that it is used to fold the beam coming from
the Mach Zehnder (directed to the MC) on |
|
|
1245
|
Thu Jan 22 12:08:59 2009 |
pete | Update | oplevs | oplev calibration | Following the procedure described in Royal
Reinecke's 2006 SURF report, I've calibrated
the ETMY yaw oplev DOF. The idea is to sweep |
|
|
1246
|
Thu Jan 22 14:38:41 2009 |
caryn | DAQ | PSL | MC temperature sensor | [quote][quote]I added a channel for the temperature
sensor on the MC1/MC3 chamber: C1:PSL-MC_TEMP_SEN.
To do that I had to reboot the frame builder. |
|
|
1247
|
Thu Jan 22 23:36:50 2009 |
pete | HowTo | oplevs | arm cavity oplev calibration | calibrated the y-arm oplevs. the procedure
is contained in a matlab script. the whereabouts
of this script will be revealed in a future |
|
|
1248
|
Fri Jan 23 10:00:21 2009 |
steve | Update | PSL | PMC transmission is down | The PMC transmission is going down.
I have not relocked the PMC yet. |
|
|
1249
|
Fri Jan 23 12:48:12 2009 |
Kakeru | Update | oplevs | arm cavity oplev calibration | I calibrated optlevs of x and y arm cavity,
indipendently from Peter's work.
|
|
|
1250
|
Fri Jan 23 14:00:02 2009 |
Yoichi | Update | PSL | PMC transmission is down | [quote]The PMC transmission is going down.
I have not relocked the PMC yet.[/quote]
|
|
|
1251
|
Fri Jan 23 16:33:27 2009 |
pete | Update | oplevs | x-arm oplev calibrations | ITMXpit 71 microrad/ct
ITMXyaw 77 microrad/ct
ETMXpit 430 microrad/ct
|
|
|
1252
|
Sat Jan 24 11:50:24 2009 |
Alberto | Configuration | Electronics | Photodiode Filters' Transfer Functions | I found an elog entry by Jenne with the measurement
of the transfer functions of the filters
of some of our photodetectors. Since it might |
|
|
1253
|
Mon Jan 26 14:51:54 2009 |
josephb | Configuration | VAC | | We need a new RS-232 to Ethernet bridge in
order to interface properly with the new
RGA. The RGA has a fixed baud rate of 28.8k, |
|
|
1254
|
Wed Jan 28 12:42:51 2009 |
Yoichi | Update | PSL | MOPA dying | Yoichi, Jenne, Peter
As most of you know, the MOPA output power |
|
|
1255
|
Wed Jan 28 12:51:32 2009 |
Yoichi | Update | Computers | Megatron is dying | For the past three days, Megatron has been
making a huge noise. Sounds like a fan is
failing.
|
|
|
1256
|
Wed Jan 28 19:08:50 2009 |
Yoichi | Update | PSL | Laser is back (sort of) | Yoichi, Peter, Jenne
Summary:
|
|
|
1257
|
Thu Jan 29 13:52:34 2009 |
Yoichi | Update | PSL | Laser is back (sort of) | Here is what I think has happened to the laser.
After the chiller line to the NPRO base clogged, |
|
|
1258
|
Thu Jan 29 16:50:53 2009 |
josephb, alberto | Configuration | Computers | Megatron fixed | The warning light on megatron and the fans
at full speed were fixed by not just power
cycling, but completely unplugging megatron |
|
|
1259
|
Thu Jan 29 17:24:41 2009 |
Kakeru | Update | oplevs | arm cavity oplev calibration | I calibrated optlevs again. My previous work
has a lot of mistakes, so ignore it.
|
|
|
1260
|
Thu Jan 29 18:10:13 2009 |
Yoichi | Update | PSL | ISS Bad | Kakeru, Yoichi
As we noted before, the ISS is unstable. |
|
|
1261
|
Fri Jan 30 17:30:31 2009 |
Alberto, Josephb | Configuration | Computers | New computer Ottavia set up | Alberto, Joseph,
Today we installed the computer that some |
|
|
1262
|
Fri Jan 30 19:38:57 2009 |
Kakeru | Update | PSL | ISS Bad | Kakeru, Peter
We try to improve ISS bord, but there isn't |
|
|
1263
|
Mon Feb 2 12:35:22 2009 |
Alberto | Configuration | General | New Elog 2.7.5 in Service on Nodus | I moved the 40m, the Adhikari Lab and the
SUS elogs from Dziban (located in Millikan's
6th floor) to our gateway server Nodus. In |
|
|
1264
|
Mon Feb 2 17:25:44 2009 |
Alberto | Configuration | General | Some little problem with the new elog | For some reason the new elog does not look
exactly like it should.
1) Some of the
editing features are not available.
2) |
|