| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3532
|
Tue Sep 7 13:31:49 2010 |
Alberto | Update | Electronics | RF System - Frequency Distribution Box - Priority Plan | We need a distribution unit in the LSC
rack to: 1) collect the demod signals coming
from the Frequency Generation Box 2) adjust |
|
|
3535
|
Tue Sep 7 15:57:07 2010 |
Alberto | Configuration | Computers | Nodus connection not working. Fixed | [Joe, Alberto]
The Nodus connection to the Martian
network stopped working after someone switched |
|
|
3537
|
Tue Sep 7 22:21:17 2010 |
Alberto | Configuration | Computers | elog restarted | |
|
|
3552
|
Thu Sep 9 12:02:03 2010 |
Alberto | Update | Electronics | Frequency Generation Box - Amplitude Noise Measurements | I measured the amplitude noise of the source
outputs and the EOM outputs of the Frequency
Generation box. |
|
|
3555
|
Thu Sep 9 18:53:56 2010 |
Alberto | Configuration | Electronics | Busby Box, Rai's Box, SR554 in the RF cabinet | I stored the Busby Box, the Rai's Box and
the SR554 preamp in the RF cabinet down the
Y arm. |
|
|
3565
|
Mon Sep 13 11:40:50 2010 |
Alberto | Update | Electronics | Frequency Box Documentation Added to the SVN | I uploaded all the material about the RF
frequency Generation Box into the SVN under
the path: |
|
|
3572
|
Tue Sep 14 18:07:41 2010 |
Alberto | Update | Electronics | Frequency Box Documentation Added to the SVN | I completed a LIGO document describing
design, construction and characterization
of the RF System for the 40m upgrade. |
|
|
3764
|
Fri Oct 22 18:22:27 2010 |
Alberto | Update | Electronics | Epic Takeover |
|
|
|
3783
|
Tue Oct 26 07:02:05 2010 |
Alberto | Configuration | elog | ELOG 2.8.0 -> ELOG 2.7.5 |
|
|
|
3893
|
Thu Nov 11 07:26:03 2010 |
Alberto | Update | Electronics | REFL11 Photodiode Not Working |
|
|
|
8342
|
Mon Mar 25 18:58:09 2013 |
Albert Yang | Update | optical tables | Optical Table Toolboxes | For those of you who spend annoying amounts
of time looking for tools, fear no more.
Toolboxes for each optical table are coming! |
|
|
8382
|
Mon Apr 1 16:16:16 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update | A heavy duty plastic box is the likeliest
candidate for the optical table toolbox.
It measures 5 9/16 in. x 11 5/8 in. x 4 5/8 |
|
|
8384
|
Mon Apr 1 16:35:42 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8408
|
Wed Apr 3 19:01:06 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8445
|
Thu Apr 11 16:29:23 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8457
|
Mon Apr 15 17:44:28 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update | I decided to go see what the electrical
tape looks like on the other tools.
These are the tools I felt were necessary |
|
|
8502
|
Mon Apr 29 08:17:40 2013 |
Albert | Update | optical tables | Optical Table Toolboxes Update |
|
|
|
8505
|
Mon Apr 29 15:53:49 2013 |
Albert | Update | optical tables | Optical Table Boxes |
|
7x |
|
3337
|
Fri Jul 30 19:20:15 2010 |
Alastair | Configuration | General | Jacket |
|
|
|
3368
|
Thu Aug 5 16:18:37 2010 |
Alastair | Update | General | clocks still not locked fully - hut removed | The rubidium clocks are still not quite
locked together, though it is clear that
the beat frequency has dropped a lot since |
|
|
3433
|
Wed Aug 18 12:02:29 2010 |
Alastair | Configuration | Computers | elog had crashed again... | ...I restarted it. |
|
|
3441
|
Thu Aug 19 09:52:51 2010 |
Alastair | Update | Computers | Elog down | I restarted it using start-elog-nodus
and this worked out fine - even though I
did it from Pete's on my phone ;-) |
|
|
3442
|
Thu Aug 19 11:38:48 2010 |
Alastair | Update | Computers | ATF wiki | The ATF wiki page doesn't seem to be working
any more. Does anyone know where this
is held so we can try to get it back online? |
|
|
3443
|
Thu Aug 19 12:06:07 2010 |
Alastair | Update | Computers | ATF wiki |
|
|
|
3452
|
Fri Aug 20 20:36:05 2010 |
Alastair | Update | General | Elog | Elog was down, I restarted it. |
|
|
3461
|
Tue Aug 24 06:34:01 2010 |
Alastair | Update | General | Elog... | ...was down. Have restarted it. |
|
|
3475
|
Fri Aug 27 07:21:13 2010 |
Alastair | Update | General | elog... | was down. I restarted the version
in the 2.7.5 folder. It went down again
almost immediately but stayed up after the |
|
|
4563
|
Mon Apr 25 11:23:41 2011 |
Alastair | Bureaucracy | Computers | wiki? | 40m wiki seems to have been down for quite
a while now but I can't see any info in the
elog about it. Is there some ongoing |
|
|
4566
|
Mon Apr 25 12:55:35 2011 |
Alastair | Bureaucracy | Computers | wiki? |
|
|
|
4897
|
Tue Jun 28 11:25:56 2011 |
Alastair | Bureaucracy | Computers | restarted elog | The manual instructions on the 40m wiki
for restarting wouldn't work. I killed
the process okay, but then I got an error |
|
|
306
|
Sun Feb 10 20:47:01 2008 |
Alan | Summary | SUS | All watchdogs tripped | A moderate earthquake occurred at 11:12:06
PM (PST) on Friday, February 8, 2008.
The magnitude 5.1 event occurred 21 km (13 |
|
|
1058
|
Mon Oct 20 12:18:38 2008 |
Alan | Update | Computer Scripts / Programs | burtwb missing on Solaris but installed on linux64 | [quote]c1lsc stalled this evening, so I powercycled
it.
After that, I tried to lock arms to confirm |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
1372
|
Mon Mar 9 10:59:05 2009 |
Alan | Omnistructure | Computers | ssh agent on fb40m restarted for backup | After the boot-fest, the nightly backup
to Powell-Booth failed, and an automatic
email got sent to me. I restarted the ssh |
|
|
1564
|
Fri May 8 10:05:40 2009 |
Alan | Omnistructure | Computers | Restarted backup since fb40m was rebooted | Restarted backup since fb40m was rebooted. |
|
|
1756
|
Thu Jul 16 09:49:52 2009 |
Alan | Update | Computers | fb40m |
|
|
|
1910
|
Sat Aug 15 10:36:02 2009 |
Alan | HowTo | Computers | nodus boot procedure | [quote]The restart procedures for the various
processes running on nodus are explained
here:
|
|
|
2445
|
Tue Dec 22 13:14:37 2009 |
Alan | Omnistructure | PEM | miracle in the 40m |
|
|
|
10020
|
Tue Jun 10 12:49:46 2014 |
Akhil | Update | Computer Scripts / Programs | Interfacing UFC-6000 with Raspberry Pi completed | Goal:
To interface the Mini Circuits
RF Frequency Counter(FC) Model UFC-6000 with |
|
|
10036
|
Fri Jun 13 11:33:55 2014 |
Akhil | Update | Electronics | Characterization of UFC-6000 RF Frequency Counter | Goal:
To characterize the Mini-Circuits
RF FC (Model UFC-6000) and plot Bode Plots |
|
|
10070
|
Thu Jun 19 12:10:18 2014 |
Akhil | Update | Electronics | Gain plots to Characterize UFC-6000 RF Frequency Counter | The
goal is to characterize the Mini-Circuits
RF FC (Model UFC-6000) by plotting |
|
|
10096
|
Wed Jun 25 01:18:24 2014 |
Akhil | Update | elog | Weekly Update | Plans
for the Week:
Phase and noise characterization |
|
|
10104
|
Wed Jun 25 19:29:19 2014 |
Akhil | Update | Electronics | Analog-to-Digital Converter | I have been trying to use an ADC
with the Raspberry Pi to be able to measure
the phase difference between FC input and |
|
|
10107
|
Fri Jun 27 12:54:13 2014 |
Akhil | Update | Electronics | Gain plots of UFC-6000 for 0.1s Sampling Rate | Finally, the 0.1s sampling rate of
the frequency counter(FC) has been achieved.
For this I had to : |
|
|
10118
|
Tue Jul 1 21:20:37 2014 |
Akhil | Update | Electronics | Gain plots of UFC-6000 for 0.1s Sampling Rate | The attached are the gain plots at
carrier frequencies of 100 MHz, 500 MHz and
1 GHz measured using IFR 2023B (Marconi). |
|
|
10129
|
Fri Jul 4 09:17:13 2014 |
Akhil | Configuration | Electronics | Setup Used for Characterization of Frequency Counter | Goal:
To |
|
|
10137
|
Mon Jul 7 13:56:13 2014 |
Akhil | Configuration | Electronics | Setup Used for Characterization of Frequency Counter | When I was trying to plot PSD of the measurements,
I still couldn't get better resolution. There
still seems to be a problem with timing and |
|
|
10151
|
Tue Jul 8 09:02:02 2014 |
Akhil | Update | Electronics | PSD Plots for different sampling times of the Frequency Counter | Although there were few timing issues
with the FC and the Raspberry Pi at the lowest
sampling time of the FC (0.1s) even after |
7x |