| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
1013
|
Wed Oct 1 02:47:53 2008 |
rana | Update | PSL | PSL ERR & LODET: Too much offset | Looks like there is an anomolous mixer offset
correlated with the increase in the LO level.
This may be leading to crazy offset locking |
|
|
1021
|
Thu Oct 2 18:56:19 2008 |
rana | Summary | SUS | Resistivity of Suspension Wire | Bob and Steve measured the resistance of the
suspension wire today:
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|
|
1049
|
Wed Oct 15 17:40:50 2008 |
rana | Update | PSL | PMC Offset adjusted | I set the PMC servo input offset: closed the
MOPA shutter, zeroed the mixer output with
the offset slider,
|
|
|
1064
|
Tue Oct 21 17:52:30 2008 |
rana | Summary | PSL | FSS Photo: early October | This is a photo of the FSS board before Yoichi
did his surgery - it was taken with the D40
in macro mode, sitting on the big Gorilla |
|
|
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.
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|
|
1091
|
Sun Oct 26 21:02:18 2008 |
rana | Update | Computer Scripts / Programs | SVN medm problem | As we've seen in the past a few times, there's
something wrong with the files in the [I]trunk/medm[/I]
area.
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|
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 |
|
|
1105
|
Sun Nov 2 20:44:58 2008 |
rana | Update | ASS | Wiener Filter performance over 5 hours | I took one 2 hour stretch of data to calculate
a MISO Wiener filter to subtract the Ranger
seismometer
|
|
|
1106
|
Sun Nov 2 21:37:22 2008 |
rana | Update | PEM | Ranger recovery | The ranger signal has been bad since around
11 AM on Oct 25 (last Saturday). There are
no elog
|
|
|
1111
|
Mon Nov 3 22:35:40 2008 |
rana | Update | ASS | Wiener Filter performance over 5 hours | [FONT=Comic Sans MS]To speed up the Wiener
filter work I defined a 256 Hz version of
the original 16kHz IOO-MC_L signal. The
|
|
|
1112
|
Tue Nov 4 00:47:53 2008 |
rana | Update | ASS | Wiener Filter performance over 5 hours | Same as before, but now with a working Ranger
seismometer.
|
|
|
1113
|
Tue Nov 4 01:03:01 2008 |
rana | Summary | PEM | periodic thump noise in MC1_ACC | [B]There seems to be a periodic thump seen
by the MC1 Accelerometers as well as the
surrounding optics.[/B]
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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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|
|
1122
|
Fri Nov 7 15:58:10 2008 |
rana | Update | PEM | AC is back on | I'll bet Steve a dollar that it is mechanical.
The attached PDF compares all of the accelerometers
from right now.
|
|
|
1137
|
Fri Nov 14 20:35:47 2008 |
rana | Update | PSL | Reference cavity ring down | To make the DEI pulser make a fast pulse on
the EO shutter EOMs, we had to make sure:
|
|
|
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 |
|
|
1150
|
Fri Nov 21 16:03:50 2008 |
rana | HowTo | General | Recharging Batteries | I found some black & red "Ninja" alkaline
AA batteries in the battery charger. [COLOR=red]This
is dangerous.[/COLOR] Please
|
|
|
1154
|
Fri Nov 21 19:47:26 2008 |
rana | Update | PEM | Guralp noise measurement | and here's the spectra with them connected
- from the coherences, it looks like it needs
to be rotated by 90 deg.
|
|
|
1156
|
Fri Nov 21 21:20:24 2008 |
rana | Update | PEM | Guralp noise measurement | This is the spectra and time series of the
Guralp channels along with the Ranger (MC2).
Looks like we could reduce the gain
|
|
|
1157
|
Fri Nov 21 21:28:32 2008 |
rana | Summary | Computers | c0daqawg restart | [COLOR=green]A few minutes after restarting
fb0 for the Guralp channels, the DAQAWG lights
went red on the DAQ screens.[/COLOR]
|
|
|
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
|
|
|
1160
|
Mon Nov 24 17:14:44 2008 |
rana | Update | PSL | Mach Zender trends | It looks like the MZ has gotten less drifty
after the alignment on Friday. |
|
|
1164
|
Thu Nov 27 22:56:42 2008 |
rana | Configuration | Environment | temperature | 8-) |
|
|
1167
|
Tue Dec 2 19:18:10 2008 |
rana | Summary | PEM | Ranger SS-1 | In entry http://dziban.ligo.caltech.edu:40/40m/881
and a follow up from Jenne I put in the Ranger
calibration.
|
|
|
1168
|
Tue Dec 2 19:51:32 2008 |
rana | Update | PEM | half-micron particle count is alarming | The 0.5 micron dust monitor count is now pretty
high (36000). I wandered around the lab to
see if there was anything
|
|
|
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]
|
|
|
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
|
|
|
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] |
|
|
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.
|
|
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1184
|
Sun Dec 7 16:12:53 2008 |
rana | Update | DAQ | booted awg | [SIZE=3]because it was [COLOR=red]red[/COLOR][/SIZE] |
|
|
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.
|
|
|
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 |
|
|
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
|
|
|
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 |
|
|
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
|
|
|
1297
|
Thu Feb 12 14:39:07 2009 |
rana | Summary | General | Silicon Beam Dump test | Yesterday evening, Ken Mailand and I tested
the reflectivity of a piece of polished Silicon.
Since Silicon has such a high thermalconductivity |
|
|
1307
|
Mon Feb 16 00:43:46 2009 |
rana | Update | Computers | medm directory wiped on nodus | [COLOR=red][B]I accidentally did an 'rm -rf'
on the medm directory in nodus[/B][/COLOR],
instead of on my laptop as was intended.
|
|
|
1312
|
Mon Feb 16 20:47:48 2009 |
rana | Configuration | IOO | Mode Cleaner WFS Loop Gain change | I found the MCWFS gain slider down at 0.012.
In this state the UGFs are probably around
10-30 mHz
|
|
|
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 |
|
|
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
|
|
|
1357
|
Wed Mar 4 23:42:45 2009 |
rana | Configuration | PSL | psl db change | I made |
|
|
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: |
|
|
1370
|
Sun Mar 8 23:09:26 2009 |
rana | Update | Computers | Not even data retrieval working | Although getting the regular DAQ data works,
we can't get any testpoints.
|
|
|
1371
|
Sun Mar 8 23:14:52 2009 |
rana | Update | Computer Scripts / Programs | tdsdata doesn't work | Matt logged in and rebuilt the
TDS stuff for us on Mafalda in /cvs/cds/caltech/apps/linux/tds_090304.
|
|
|
1378
|
Mon Mar 9 19:27:16 2009 |
rana | Configuration | Computers | Move of the CLIO Digital Controls test setup | Because of the network interference
we've had from the CLIO system for the past
3-4 days, I asked the guys to remove |
|
|
1379
|
Mon Mar 9 19:33:10 2009 |
rana | Update | DMF | seisBLRMS in temp condition | The seisBLRMS has been running on megatron
via an open terminal ssh'd into there from
allegra with matlab running. This |
|
|
1383
|
Wed Mar 11 01:16:40 2009 |
rana | Summary | IOO | rogue trianglewave in the MC Servo offset slider | On Monday
evening, I ran this command: trianglewave
C1:IOO-MC_REFL_OFFSET 0 4 120 600;ezcawrite |
|