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  40m Log, Page 316 of 349  Not logged in ELOG logo
ID Date Author Type Category Subjectup Text Attachments
  9826   Thu Apr 17 17:22:32 2014 JenneUpdateCDSmx_stream not starting on c1ioo, locking okayJamie tells me that the 2 big consequences
of this are (a) we are not archiving any
data that is collected on the ioo machine,
  
  6778   Thu Jun 7 03:37:26 2012 yutaUpdateCDSmx_stream restarted on c1lsc, c1ioo c1lsc and c1ioo computers had FB net statuses
all red. So, I restarted mx_stream on each
computer. 
  
  6761   Wed Jun 6 00:37:11 2012 JenneUpdateComputersmx_stream restarted on iscey, susJust as Yuta and I were sitting down to
look at our beatnote (really the output of
the freq discriminator) on Dataviewer, all
  
  7612   Wed Oct 24 19:55:06 2012 jamieUpdate my assesment of the folding mirror (passive tip-tilt) situationWe removed all the folding mirrors ({P,S}R{2,3})
from the IFO and took them into the bake
lab clean room.  The idea was that at
  
  7617   Thu Oct 25 02:10:22 2012 KojiUpdate my assesment of the folding mirror (passive tip-tilt) situationThe thinner wire has a history that it
did not improve the hysteresis (ask Jenne).
Nevertheless, it's worth to try.
  
  7618   Thu Oct 25 06:49:49 2012 KojiUpdate my assesment of the folding mirror (passive tip-tilt) situation

    

       
            
  
  7619   Thu Oct 25 08:04:45 2012 SteveUpdateSUSmy assesment of the folding mirror (passive tip-tilt) situation

    

       
            
 IMG_1748.JPG 
  6810   Wed Jun 13 02:11:59 2012 yutaUpdateGreen Lockingmy first modescan (sort of)I stabilized Y arm length by using only
I phase coarse signal from the beat(C1:ALS-BEATY_COARSE_I_ERR).
I sweeped the arm length by injecting
 modescan20120612_1.png 
  6811   Wed Jun 13 02:24:02 2012 ranaUpdateGreen Lockingmy first modescan (sort of) That sounds goofy.
With the delay line technique,
you can get a linear signal over 50 MHz with
  
  6812   Wed Jun 13 03:03:38 2012 yutaUpdateGreen Lockingmy first modescan (sort of)Linear range df of the delay line technique
is about df ~ c/(2D). So, the linear range
for the fine signal(delay line length D=30m)
  
  6813   Wed Jun 13 11:10:56 2012 ranaUpdateGreen Lockingmy first modescan (sort of)You can easily calculate whether or not
the coarse readout will work by thinking
about the scan resolution you need given
  
  559   Tue Jun 24 22:31:10 2008 MashaUpdateAuxiliary lockingmy first step in fiber stabilizationThere is a new 1W INNOLIGHT NPRO laser at
the Symmetric Port.
  
  6071   Mon Dec 5 17:44:41 2011 kiwamuUpdateGeneralmy plan tonightI am going
to try handing off the ALS servo to the IR
  
  7161   Mon Aug 13 16:58:07 2012 jamieUpdateCDSmysterious stuck test points on c1spx modelWe were not able to open up any test points
in the revived c1spx model (dcuid 61).
Looking at the GDS_TP screen we found
  
  7162   Mon Aug 13 17:31:19 2012 jamieUpdateCDSmysterious stuck test points on c1spx model

    

       
            
  
  4384   Tue Mar 8 14:50:19 2011 kiwamuUpdateCDSnames for filter modules[Joe/Kiwamu]
 
  
  3308   Wed Jul 28 12:53:32 2010 channaUpdateComputersnds data listenerFor the sake of writing it down: /cvs/cds/caltech/apps/linux64/rockNDS   
  9216   Mon Oct 7 18:32:01 2013 John ZweizigSummaryComputer Scripts / Programsnds2 installed, restartedThe upgrade of megatron broke the nds2
service. I have fixed things by
  1) installing the latest version
  
  17387   Thu Jan 5 14:30:32 2023 PacoHowToDAQnds2 server restartAfter being unable to fetch data offsite
using the nds40 server, I found enlightment
here.
  
  3718   Thu Oct 14 13:09:01 2010 Leo SingerConfigurationComputersnds2-client-devel installed on rossaI installed nds2-client-devel on rossa
using the following command:
$ sudo yum install nds2-client-devel
  
  15716   Tue Dec 8 15:07:13 2020 gautamUpdateComputer Scripts / Programsndscope updatedI updated the ndscope on rossa to a bleeding
edge version (0.7.9+dev0)
 test.pdf 
  500   Tue May 27 16:24:54 2008 tobinConfigurationComputer Scripts / ProgramsndsproxyThe NDS Proxy is a program that accepts NDS
(LIGO Network Data Server) connections from
the internet and relays them to
  
  3317   Thu Jul 29 12:13:28 2010 kiwamuSummaryCDSnear term plan [Joe and Kiwamu]
 current_setup_v2.png 
  11597   Tue Sep 15 01:14:10 2015 ranaSummaryLSCneed to check LSC Whitening switch logic ... againTonight we noticed that the REFL_DC signal
has gone bipolar, even though the whitening
gain is 0 dB and the whitening filter is
  
  8608   Tue May 21 18:18:28 2013 JamieUpdateComputer Scripts / ProgramsnetGPIB stuff update/modernized/cleanedup/improvedI did a bunch of cleanup work on the netGPIB
stuff:

    Removed extensions from
  
  13603   Fri Feb 2 23:28:13 2018 KojiUpdateComputer Scripts / Programsnetgpib data missing / PROLOGIX yellow box (crocetta) not workingI could not understand why 'netgpibdata'
scripts are missing in "scripts/general"
folder on pianosa... Where did they go???
  
  13604   Sat Feb 3 13:03:45 2018 gautamUpdateComputer Scripts / Programsnetgpib data missing / PROLOGIX yellow box (crocetta) not workingThe netgpibdata scripts are now under git
version control at 
  
  13607   Mon Feb 5 18:04:35 2018 KojiUpdateComputer Scripts / Programsnetgpib data missing / PROLOGIX yellow box (crocetta) not workingcrochetta was reconfigured to have 192.168.113.108.
It was confirmed that it can be used with
netgpibdata.py
  
  11015   Thu Feb 12 15:21:37 2015 ericqUpdateComputer Scripts / Programsnetgpib updatesI've fixed the gpib scripts for the
SR785 and AG4395A to output data in the same
format as expected by older scripts when
  
  9497   Thu Dec 19 21:16:16 2013 KojiConfigurationGeneralnetgpibdata is working again nowNow
netgpibdata is working again.
Usage:
  
  9502   Fri Dec 20 10:08:43 2013 JamieConfigurationGeneralnetgpibdata is working again now


   
        
            
  
  9835   Mon Apr 21 22:32:33 2014 ranaConfigurationGeneralnetgpibdata is working again nowNot working again. I tried the commands
in Koji's elog as well as the ones from my
notes, but the AG 4395 hooked up to the yellow
  
  9851   Thu Apr 24 22:39:14 2014 ranaConfigurationGeneralnetgpibdata is working again now

    

       
            
 out.pdf 
  9875   Tue Apr 29 10:01:25 2014 KojiConfigurationGeneralnetgpibdata is working again nowI've moved the WB network analyzer to the
OMC lab. The 40m network analyzer is not
in service for the MC monitoring.
  
  10445   Wed Sep 3 14:07:18 2014 ranaConfigurationGeneralnetgpibdata is working again now

    

       
            
  
  10421   Thu Aug 21 22:10:52 2014 ranaSummaryComputer Scripts / Programsnetwork movements To help development of the data visualization
project, we've assigned the .101 and .102
IP to DataVis. This is being used by the
  
  4127   Sat Jan 8 23:18:03 2011 ranaUpdateComputersnetwork tableThere's, as usual, a disconnect between
the real martian host table and the one displayed
on the
  
  2097   Thu Oct 15 09:23:07 2009 steveSummaryLockingnever had it so goodAwesome 5 hrs of locking  Rob!  5hlock.jpg 
  2100   Thu Oct 15 17:12:00 2009 ranaSummaryLockingnever had it so good 
  
  12506   Mon Sep 19 13:57:21 2016 ranaUpdateGeneralnever post EPS files in the ELOG. Ever.http://tex.stackexchange.com/questions/2092/which-figure-type-to-use-pdf-or-eps   
  7791   Wed Dec 5 09:42:46 2012 ranaOmnistructureComputersnew (beta) version of NDS2 installed on control room machinesNDS2 is not designed for non DQ channels
- it gets data from the frames, not through
NDS1.
  
  7793   Wed Dec 5 16:54:29 2012 jamieOmnistructureComputersnew (beta) version of NDS2 installed on control room machines

    

       
            
  
  7786   Tue Dec 4 20:38:51 2012 jamieOmnistructureComputersnew (beta) version of nds2 installed on control room machinesI've installed the new nds2 packages on
the control room machines.
These new packages include some new
  
  7788   Tue Dec 4 23:08:46 2012 DenOmnistructureComputersnew (beta) version of nds2 installed on control room machines

    

       
            
  
  986   Tue Sep 23 15:28:06 2008 peteConfigurationPSLnew 21.5 MHz FSS reference installedThe new 21.5 MHz FSS reference is now installed
in the rack with the 7 Sorensen PS.  Both
outputs give 18.7 dBm.  The MC seems happy.
 fss_ref_001.jpgfss_ref_013.jpg 
  13804   Tue May 1 15:23:18 2018 KiraUpdatePEMnew ADC channel setup issue[Kira, Johannes]

I connected up the channels for
the ADC Acromag a while back and we were
 IMG_20180501_152014.jpg 
  9863   Mon Apr 28 10:34:51 2014 KojiUpdateLSCnew ALS servo designBased on the evaluation of the error signals,
the new servo was designed.
Concept:
 ALSX_OLTF_new2.pdfALSY_OLTF_new2.pdf 
  9864   Mon Apr 28 10:48:48 2014 KojiUpdateLSCnew ALS servo design: comparisonComparison of the new and old servo
OLTF
The new servo has the same UGF, slightly
 ALSX_OLTF_new.pdfALSY_OLTF_new.pdf 
  3474   Thu Aug 26 17:10:26 2010 kiwamuUpdateCDSnew CDS test[Joe, Kiwamu] 
W
  
  3480   Fri Aug 27 17:27:41 2010 kiwamuUpdateCDSnew CDS test { Joe, Kiwamu }
Yes
  
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