| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
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1036
|
Wed Oct 8 22:23:43 2008 |
Yoichi | Configuration | Electronics | Electronics work bench cleanup | Yesterday, I cleaned up the electronics work
bench. I figured that keeping the work bench
in order has larger effect on the work efficiency |
|
|
1041
|
Fri Oct 10 20:03:35 2008 |
Yoichi | Configuration | Computers | medm, dataviewer, dtt on 64 bit linux | I compiled EPICS (base, medm and ezca) and
dataviewer for 64 bit linux.
These are installed in /cvs/cds/caltech/apps/linux64/.
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1043
|
Mon Oct 13 13:51:49 2008 |
pete | Configuration | PSL | attempt to measure FSS ref phase | On Friday I began a measurement of the FSS
reference phase. The setup involves the
following:
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|
|
1046
|
Tue Oct 14 14:19:36 2008 |
pete | Configuration | PSL | FSS ref phase | Today I made several measurements which should
yield the optimized phase for the FSS 21.5
MHz reference. I made two sets of measurements, |
|
|
1048
|
Tue Oct 14 19:24:34 2008 |
Yoichi | Configuration | PSL | FSS light power reduced | Rana, Yoichi
To change the gain distribution in the FSS, |
|
|
1050
|
Wed Oct 15 22:07:52 2008 |
pete | Configuration | PSL | FSS ref phase measurements | Optimizing the FSS LO/RF phase at 500 kHz,
above the servo band, proved to be noisy
and those measurements were useless. Today |
|
|
1052
|
Thu Oct 16 09:47:49 2008 |
Yoichi | Configuration | PSL | FSS ref phase measurements | [quote] I fit the bottom (quadratic) portion
of this curve, and found an optimum delay
of 25.8 ns, which can be implemented as 25.81 |
|
|
1053
|
Thu Oct 16 13:12:58 2008 |
pete | Configuration | PSL | phase between FSS reference outputs | I verified the phase between the FSS reference
outputs (used for LO and RF) using matched
BNC cables. I measured 0.95 degree (average |
|
|
1054
|
Thu Oct 16 16:26:26 2008 |
pete | Configuration | PSL | FSS phase matching cable installed | RG 405 cable has a solid teflon dielectric,
and a velocity factor of 0.69. To get the
8.2 degrees of additional phase on the LO |
|
|
1055
|
Fri Oct 17 16:43:10 2008 |
Yoichi | Configuration | Computers | mcup/down scripts on linux | I made some changes to /cvs/cds/caltech/medm/c1/ioo/cmd/medmMCup
and medmMCdown so that those can be run from
medm on linux machines. |
|
|
1059
|
Mon Oct 20 15:02:00 2008 |
Yoichi | Configuration | Computers | /cvs/cds restored | I moved missing files in /cvs/cds restored
by Alan and Stuart to the original locations.
I confirmed autoburt runs, and dtt, which |
|
|
1060
|
Mon Oct 20 16:18:00 2008 |
Alan | Configuration | Computers | /cvs/cds restored | [quote]I moved missing files in /cvs/cds restored
by Alan and Stuart to the original locations.
I confirmed autoburt runs, and dtt, which |
|
|
1061
|
Mon Oct 20 20:50:09 2008 |
Yoichi | Configuration | PSL | FSS board chip replacement | A quick update.
I changed two AD797s on the FSS board to |
|
|
1065
|
Tue Oct 21 18:19:42 2008 |
Yoichi | Configuration | Computers | LISO and Eagle installed | I installed LISO, a circuit simulation software,
into the control room linux machines.
I also installed a PCB CAD called Eagle to |
|
|
1078
|
Thu Oct 23 20:47:28 2008 |
pete | Configuration | PSL | FSS LO calibration for MEDM | Today I took a quick series of measurements
to calibrate the FSS LO power measurement
in the MEDM. This was done by using the |
|
|
1081
|
Fri Oct 24 10:06:16 2008 |
Yoichi | Configuration | IOO | MC gain and FSS gain changed | Following the measurements of MC and FSS loop
gains, I modified mcup script to set the
MC VCO gain to 2dB (it was -4dB before).
|
|
|
1083
|
Fri Oct 24 11:21:26 2008 |
pete | Configuration | PSL | FSS LO input calibrated in dBm | Based on the measurements described in my
previous elog, I created a new calc record
in the file /cvs/cds/caltech/target/c1psl/psl.db
|
|
|
1088
|
Fri Oct 24 20:54:41 2008 |
rana | Configuration | Computers | linux2 | I have removed linux2 and its cables from
the control room and put it into 1Y3 along
with op340m.
|
|
|
1089
|
Fri Oct 24 21:49:15 2008 |
Jenne | Configuration | PEM | Short Seismometer Cable | Bad news regarding the cable that goes between
the Guralp seismometer and the box that I've
been working on: it's too short by about |
|
|
1093
|
Mon Oct 27 11:16:23 2008 |
Alberto | Configuration | IOO | StochMon Calibration | I implemented the calibration for the four
channels of the StochMon in the ioo EPICS
database. Now the output of those channels, |
|
|
1095
|
Mon Oct 27 14:48:27 2008 |
Yoichi | Configuration | PSL | EO shutter installed to the reference cavity | I'm now preparing for cavity ring down measurements
of the reference cavity.
An EOM for polarization rotation is installed |
|
|
1098
|
Tue Oct 28 12:01:01 2008 |
josephb | Configuration | Computers | linux2 | [quote]I have removed linux2 and its cables
from the control room and put it into 1Y3
along with op340m.
|
|
|
1099
|
Wed Oct 29 12:23:04 2008 |
Yoichi | Configuration | PSL | MZ alignment touched and the alarm level changed | Since the MZ reflection is alarming all the
time, I tried to improve the MZ alignment
by touching the folding mirror.
|
|
|
1102
|
Thu Oct 30 20:39:47 2008 |
caryn | Configuration | PEM | temperature sensor | We attached the temperature sensor box to
the MC1/MC3 chamber with a C-clamp. We connected
the temp sensor to a 2nd box with a short |
|
|
1104
|
Sun Nov 2 20:21:58 2008 |
rana | Configuration | lore | HP 5550dtn (Grazia) set up on allegra | 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 |
|
|
1109
|
Mon Nov 3 19:18:47 2008 |
Alberto | Configuration | General | new elog | Phil Ehrens kindly poured our elog's content
in a CD that now is here at the 40m.
I've been trying to install the 2.7.5 version |
|
|
1110
|
Mon Nov 3 21:38:32 2008 |
Yoichi | Configuration | General | new elog | [quote]I tried to recompile the elog from
the source code but the way gcc is called
must be wrong because I get this error message:
|
|
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1119
|
Thu Nov 6 22:07:56 2008 |
rana | Configuration | Computers | ELOG compile on Solaris | From the ELOG web pages:
Solaris:
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1133
|
Thu Nov 13 15:50:44 2008 |
Alberto | Configuration | General | GPS 10MHz clock | The schematic of the 1Y7 rack that Alan pointed
out (see attachment) don't represent anymore
the actual rack.
|
|
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1146
|
Wed Nov 19 10:32:11 2008 |
Alberto | Configuration | Electronics | All the Marconi Set to the Rubidium Frequency Standard | I placed the SRS Rubidium FS275 over the PSL
rack, next to the frequency counter. This
one and the Marconi on the PSL rack have |
|
|
1147
|
Wed Nov 19 18:02:18 2008 |
rana | Configuration | Electronics | All the Marconi Set to the Rubidium Frequency Standard | Not sure what was going on before. I changed
the frequency counter to use an AC coupled
input, and had it average
|
|
|
1148
|
Wed Nov 19 18:12:35 2008 |
rana | Configuration | IOO | new channel for MC drum modes | I set up the lockin to take the MC Demod Board's
Qmon signal, demodulate it at 27.5 kHz, and
put the output into a DAQ channel (I think |
|
|
1158
|
Sat Nov 22 10:55:51 2008 |
Caryn | Configuration | IOO | Drum modes Lock-In settings changed | I unhooked the MC Demod Board's Qmon signal
from the Lock-In. Set the demodulation frequency
to 31.11Hz with 1V amplitude, and
|
|
|
1159
|
Mon Nov 24 16:43:34 2008 |
rana | Configuration | Computers | Alex and Jay took away some computers from the racks | I was over at Wilson house and saw Jay and
Alex bring in 3 rackmount computers. One
was a Sun 4600 and
|
|
|
1161
|
Mon Nov 24 19:15:16 2008 |
rana, alberto, john | Configuration | Environment | temperature | The PSL Room Temperature was alarming because
it had gone above 23 C. This set off an unfortunate
chain of events:
|
|
|
1163
|
Tue Nov 25 19:29:15 2008 |
rana, alberto, john | Configuration | Environment | temperature | [quote]The PSL Room Temperature was alarming
because it had gone above 23 C. This set
off an unfortunate chain of events:
|
|
|
1164
|
Thu Nov 27 22:56:42 2008 |
rana | Configuration | Environment | temperature | 8-) |
|
|
1166
|
Tue Dec 2 17:56:56 2008 |
Alberto, Rana | Configuration | PSL | MC Alignment | In the attempt to maximize the Mode Cleaner
transmission and minimize the reflection
from the steering mirrors of the MC periscope, |
|
|
1171
|
Wed Dec 3 19:21:09 2008 |
rana | Configuration | PEM | Ranger move | I looked at the Ranger signals. [B]Somehow
it has a relative transfer function of 'f'
between it and the Guralp.[/B]
|
|
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1175
|
Thu Dec 4 16:29:20 2008 |
josephb | Configuration | Computers | Error message on Frame Builder Raid Array | The Fibrenetix FX-606-U4 RAID connected to
the frame builder in 1Y7 is showing the following
error message: IDE Channel #4 Error Reading |
|
|
1177
|
Fri Dec 5 01:41:33 2008 |
Yoichi | Configuration | Computers | MEDM screen snapshot now works on linux machines | As a part of my "make everything work on linux"
project, I modified 'updatesnap' script so
that linux machines can update MEDM screen |
|
|
1178
|
Fri Dec 5 01:58:58 2008 |
Yoichi | Configuration | ASC | tdscntr.pl now works at 40m | Tobin gave me the perl version of tdscntr
some time ago.
Pinkesh and I modified and tested it at LHO.
|
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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]
|
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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 |
|
|
1224
|
Tue Jan 13 11:10:42 2009 |
rob | Configuration | Computers | conlogger restarted | unknown how long it's been down. |
|