| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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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. |
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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 |
|
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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. |
|
|
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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1224
|
Tue Jan 13 11:10:42 2009 |
rob | Configuration | Computers | conlogger restarted | unknown how long it's been down. |
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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 |
|
|
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 |
|
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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).
|
|
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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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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 |
|
|
1218
|
Thu Jan 8 20:26:17 2009 |
rob | Omnistructure | General | Earthquake in San Bernardino | Magnitude 4.5
Date-Time
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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 |
|
|
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 |
|
|
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 |
|
|
1214
|
Fri Jan 2 18:49:54 2009 |
Yoichi | Update | LSC | LSC modulation frequencies adjusted | I noticed that the IFO did not lock in the
MICH configuration.
This was because AS166Q signal was too small.
|
|
|
1213
|
Fri Jan 2 17:20:44 2009 |
rana | Summary | Computer Scripts / Programs | 40m GWINC | I have made a '40m' directory in the iscmodeling
CVS tree which allows one to run a 40m version
of GWINC.
|
|
|
1212
|
Thu Jan 1 01:15:45 2009 |
Yoichi | Summary | VAC | N2 line leak ? | I've been replacing the N2 bottles recently.
I noticed that the consumption is too high.
I had to replace them every two days.
|
|
|
1211
|
Thu Jan 1 01:07:03 2009 |
Yoichi | Summary | Environment | Particle counts going crazy | I increased the fan speed of the PSL HEPA
filter to the maximum.
|
|
|
1210
|
Thu Jan 1 00:55:39 2009 |
Yoichi | Update | ASC | Alignment scripts for Linux | A Happy New Year.
The dither alignment scripts did not run |
|
|
1209
|
Wed Dec 31 22:59:40 2008 |
Yoichi | Summary | Environment | Particle counts going crazy | Yes it is a new year's eve, and a lot of crazy
people are on Colorado to secure seats for
the parade tomorrow.
|
|
|
1208
|
Tue Dec 30 18:51:18 2008 |
rana,yoichi | Configuration | Electronics | Illuminator Power Supply reset | [COLOR=blue][B]We noticed that none of the
illuminators were working.[/B][/COLOR]
|
|
|
1207
|
Mon Dec 29 21:51:02 2008 |
Yoichi | Configuration | Computers | Web server on nodus | The apache on nodus has been solely serving
for the svn web access.
I changed the configuration and all files |
|
|
1206
|
Mon Dec 29 21:38:57 2008 |
Yoichi | Update | Computers | Snapshots of MEDM screens | I wrote scripts to take snapshots of MEDM
screens in the background.
These scripts work even on a computer without |
|
|
1205
|
Mon Dec 29 18:01:07 2008 |
Aidan | Update | Auxiliary locking | Updated 40m Upgrade Document T080074-00-R |
Added a paragraph to the 40m Upgrade document
describing the fiber stabilization and frequency |
|
|
1204
|
Wed Dec 24 12:46:54 2008 |
Yoichi | Update | Computers | Test points are back | Rob told me how to restart the test point
manager.
It runs on fb40m and actually there is an |
|
|
1203
|
Wed Dec 24 10:33:24 2008 |
Yoichi | Update | Computers | Several fixes. Test point problem remains. | Yesterday, I fixed several remaining problems
from the power failure.
|
|
|
1202
|
Tue Dec 23 10:35:40 2008 |
Yoichi | Update | Computers | RFM network breakdown mostly fixed | Rana, Rolf, Alberto, Yoichi
The source of the problem was the RFM bypass |
|
|
1201
|
Mon Dec 22 13:48:22 2008 |
Yoichi | Update | Computers | RFM network bypass box's power supply is dead | As a temporary fix, I cut the cable of the
power supply and connected it to the Sorensen
power supply +5V on the rack.
|
|
|
1200
|
Sun Dec 21 14:18:04 2008 |
Yoichi | Update | Computers | RFM network bypass box's power supply is dead | I restarted the front-end computers by power
cycling them one-by-one.
After issuing startup commands, most of them |
|
|
1199
|
Sun Dec 21 13:00:06 2008 |
steve | Update | all down cond. | vac and laser back on | There was a power outage sometimes early Saturday.
All things are down.
|
|
|
1198
|
Sat Dec 20 23:37:43 2008 |
rob | Omnistructure | General | Saturday Night Fever after presumed power failure |
Just came by to pick something up...
|
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1197
|
Fri Dec 19 16:38:09 2008 |
steve | Update | LSC | all optlevs centered | All optlevs were centered after full alignment.
Qpd sums are:
|
|
|
1196
|
Fri Dec 19 14:35:58 2008 |
Yoichi Alberto | Update | IOO | MC WFS and IOO-POS QPD re-centering | For the past two days, the MC alignment has
kept drifting.
This morning, the MC alignment was so bad |
|
|
1195
|
Fri Dec 19 11:29:16 2008 |
Alberto, Yoichi | Configuration | MZ | MZ Trans PD | Lately, it seems that the matching of the
input beam to the Mode Cleaner has changed.
Also, it is drifting such that it has become |
|
|
1194
|
Fri Dec 19 11:18:52 2008 |
Alberto | Configuration | General | Mode Cleaner Temperature Monitor | I reduced from 10 to 5 the gain of the SR560
that Caryn has set up after the lock-in amplifier
nest to the PSL rack because the overload |
|
|
1193
|
Thu Dec 18 19:15:54 2008 |
Alberto, Yoichi | Configuration | SUS | Mode Cleaner Cavity Alignment | [quote]This morning I found the MC locked
to the 10 mode. When I locked it on the 00
mode, it was unstable and eventually it always |
|
|
1192
|
Thu Dec 18 12:52:00 2008 |
Alberto | Configuration | SUS | Mode Cleaner Cavity Alignment | This morning I found the MC locked to the
10 mode. When I locked it on the 00 mode,
it was unstable and eventually it always |
|
|
1191
|
Tue Dec 16 19:06:01 2008 |
Yoichi | Update | PSL | Reference cavity ring down repeated many times | Today, I repeated the reference cavity ring
down measurement many times to see how much
the results vary.
|
|
|
1190
|
Fri Dec 12 22:51:23 2008 |
Yoichi | Update | PSL | Reference cavity ring down measurement again | Bob made new HV-cables with HV compatible
coaxes. The coax cable is rated for 2kV,
which was as high as Bob
|
|
|
1189
|
Tue Dec 9 10:48:17 2008 |
Caryn | Summary | General | calibrating the jenne laser: impedance mismatch? |
We sent RFout of network analyzer to a splitter,
with one side going back to the network analyzer |
|
|
1188
|
Mon Dec 8 17:50:21 2008 |
Yoichi | Update | SUS | ITMY drift | The suspension drift monitor shows that the
ITMY alignment was shifted after the earthquake.
Looks like only the UL sensor had a step |
|
|
1187
|
Mon Dec 8 11:54:27 2008 |
Yoichi | Update | General | IFO mirrors aligned | This morning, I re-aligned the IFO mirrors
to see if they were badly moved by the earthquake.
The both arms locked just by the restoring |
|
|
1186
|
Mon Dec 8 11:41:27 2008 |
Yoichi | Summary | VAC | The rough pump for the TP2 replaced | Bob, Yoichi
The foreline pressure of the TP2 (the foreline |
|
|
1185
|
Mon Dec 8 00:10:42 2008 |
caryn | Summary | General | calibrating the jenne laser | I apologize in advance for the long list of
numbers in the attachment. I can't seem to
make them hide for some reason.
|
|
|
1184
|
Sun Dec 7 16:12:53 2008 |
rana | Update | DAQ | booted awg | [SIZE=3]because it was [COLOR=red]red[/COLOR][/SIZE] |
|
|
1183
|
Sun Dec 7 16:02:46 2008 |
rana | Update | General | Mag 5.1 EQ halfway to Vegas | There was a [URL=http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/ci14408052.php#details]Mag
5.1 EQ[/URL] Friday night at 8:18 PM.
|
|
|
1182
|
Fri Dec 5 21:31:11 2008 |
Yoichi | Update | IOO | drum modes observable without excitation | The calibration of the MC_F feedback is posted
in elog:1032.
I'm not sure where Caryn took MC signal, |
|
|
1181
|
Fri Dec 5 20:40:38 2008 |
Yoichi | HowTo | Computers | Elog multi-keyword search | The current Elog search allows you to look
for only one keyword in the text.
You cannot search for two keywords by simply |
|
|
1180
|
Fri Dec 5 14:13:41 2008 |
rana | Summary | IOO | MC trend for the last 4 days | [COLOR=pink][SIZE=2][FONT=Comic Sans MS]The
MC has stayed locked for ~3 days! I just
broke it to reset the MZ.[/FONT][/SIZE][/COLOR] |
|
|
1179
|
Fri Dec 5 09:29:59 2008 |
rana | Update | IOO | drum modes observable without excitation | Not sure what the y-scale is since there aren't
any y axis labels in the plot, but it seems
like we
|
|