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ID Date Author Type Category Subjectup Text Attachments
  5481   Tue Sep 20 15:39:57 2011 KojiUpdateSUSfree swinging test in vacuum conditionCan't we use Yuta's auto-Q adjust script?
 http://nodus.ligo.caltech.edu:8080/40m/3723
Edit by KI :
  
  5346   Tue Sep 6 17:56:12 2011 JenneUpdateSUSfree swinging test on ITMX


   
        
            
  
  5345   Tue Sep 6 17:48:57 2011 kiwamuUpdateSUSfree swinging test on ITMYTue Sep  6 17:48:02 PDT 2011
999391697
  
  5594   Sun Oct 2 02:21:27 2011 kiwamuUpdateSUSfree swinging test once moreThe following optics were kicked:
MC1 MC2 MC3 ETMX ETMY ITMX ITMY PRM
SRM BS
  
  5240   Mon Aug 15 17:23:55 2011 jamieUpdateSUSfreeswing script updatedI have updated the freeswing scripts, combining
all of them into a single script that takes
arguments to specify the optic to kick:
  
  6311   Fri Feb 24 04:12:44 2012 kiwamuUpdateSUSfreeswing testThe following optics were kicked:
MC1
MC2 MC3 ETMX ETMY ITMX ITMY PRM SRM BS
Fri
Feb 24 04:11:15 PST 2012
1014120690
 
  
  2737   Wed Mar 31 02:57:48 2010 kiwamuUpdateGreen Lockingfrequency counter for green PLLRana
found that we had a frequency counter SR620
which might be helpful for lock acquisition
 FCnoise.png 
  2741   Wed Mar 31 12:30:31 2010 ranaUpdateGreen Lockingfrequency counter for green PLLIts a good measurement - you should adjust
the input range of the 620 using the front
panel 'scale' buttons to see how the noise
  
  2751   Thu Apr 1 15:21:12 2010 ranaUpdateGreen Lockingfrequency counter for green PLL 
  
  2718   Sun Mar 28 17:28:26 2010 matt, kiwamuUpdateGreen Lockingfrequency discriminator for green PLLLast Friday, Matt made a frequency discriminator
circuit on a bread board in order
 6x 
  2728   Mon Mar 29 15:19:33 2010 mevansUpdateGreen Lockingfrequency discriminator for green PLLThanks for the great entry! 
In order to make this work for higher
frequencies, I would add  Hartmut's suggestion
  
  6553   Fri Apr 20 23:02:25 2012 DenUpdateAdaptive Filteringfrequency domain filter DFT-LMS is a frequency domain adaptive
filter that demonstrates faster convergence
compared to the time-domain LMS filter.
 dft.pngnorm.png 
  7000   Sat Jul 21 18:04:02 2012 DenUpdateAdaptive Filteringfrequency domain filterI've implemented online frequency domain
filter and applied it to MC_F.
 freq_af.png 
  2076   Fri Oct 9 16:36:13 2009 rob UpdateIOOfrequency noise problemI used the XARM as a reference to measure
the frequency noise after the MC.  It's
huge around 4kHz--hundreds of times larger
 freqnoiseaftermc.png 
  2172   Tue Nov 3 03:45:04 2009 rob UpdateIOOfrequency noise problem

    
        
 noise.pngspectra.pdf 
  2357   Sat Dec 5 17:34:30 2009 robUpdateIOOfrequency noise problemThere's a large broadband increase in the
MC_F spectrum.  I'm not totally sure
it's real--it could be some weird bit-swapping
 mcf.png 
  2359   Sat Dec 5 22:31:52 2009 robUpdateIOOfrequency noise problem

    
        
  
  14086   Thu Jul 19 04:44:09 2018 Annalisa, TerraSummaryThermal Compensationfrequency shift observed with heating!Annalisa, Gautum, Koji, Terra

Summary: with
the reflector setup, we measured a frequency
 scanning_fine_2018-07-19-07-32-08_parsed.pdfscanning_fine_2018-07-19-06-57-47_parsed.pdfYscan_scanning_parsed_2am.txt.pdf 
  9224   Wed Oct 9 15:00:48 2013 SteveUpdatePEMfreshmen tour [Alan, Koji, Manasa]
Record number of 50 freshmen were
given tour of the 40m this afternoon.
 freshmen2013.jpg 
  7493   Fri Oct 5 16:21:48 2012 SteveUpdateGeneralfreshmen visiters40 plus freshmen visited the 40m today  IMG_1693.JPGIMG_1694.JPG 
  6203   Tue Jan 17 02:27:49 2012 kiwamuUpdateLSCfringe tests : all the suspensions are innocentI did a quick test to check a hypothesis
that PRM is interfering with some other optics
in the single bounce configuration.
  
  6088   Thu Dec 8 11:59:53 2011 ZachUpdateRF Systemfringing indeedHere is a trend of 11 & 55 I&Q,
along with the EOM temperature and PSL RMTEMP
signals. 
 RAM_with_temp_overnight.png 
  7197   Wed Aug 15 17:23:22 2012 jamieUpdateCDSfront end IOP models changed to reflect actual physical hardwareAs Rolf pointed out when he was here yesterday,
all of our IOPs are filled with parts for
ADCs and DACs that don't actually exist in
  
  9074   Tue Aug 27 19:34:36 2013 JamieConfigurationCDSfront end IPC configurationSo the IPC situation on the front end network
is not so great right now.  For various
no-longer-valid reasons, c1lsc had no RFM
 hosts.png 
  9076   Tue Aug 27 20:43:34 2013 KojiConfigurationCDSfront end IPC configurationThe reason we had the PCIe/RFM system was
to test this mixed configuration in prior
to the actual implementation at the sites.
  
  9086   Wed Aug 28 19:47:28 2013 jamieConfigurationCDSfront end IPC configuration

    

       
            
  
  13138   Mon Jul 24 19:28:55 2017 JamieUpdateCDSfront end MX stream network working, glitches in c1ioo fixedMX/OpenMX
network running

Today I
got the mx/open-mx networking working for
 48.png 
  3292   Mon Jul 26 12:31:36 2010 kiwamuUpdateCDSfront end machine for the X endA brief
report about the new front end machine "C1ISCEX"
installed on the X end (old Y end).
  
  16302   Thu Aug 26 10:30:14 2021 JamieConfigurationCDSfront end time synchronization fixed?I've been looking at why the front
end NTP time synchronization did not seem
to be working.  I think it might not
  
  2982   Tue May 25 16:32:26 2010 kiwamuHowToElectronicsfront ends are back [Alex, Joe, Kiwamu]
Eventually
  
  7477   Thu Oct 4 14:04:21 2012 jamieUpdateCDSfront ends back upAll the front end machines are back up
after the outage.  It looks like none
of the front end machines came back up once
  
  6171   Wed Jan 4 16:40:52 2012 JamieUpdateComputersfront-end fb communication restoredCommunication between the front end models
and the framebuilder has been restored. 
I'm not sure exactly what the issue was,
  
  13133   Sun Jul 23 22:16:55 2017 Jamie, gautamUpdateCDSfront-end now running with new OS, RCGAll front
ends and model are (mostly) running now

 2017-07-23-210810_1394x488_scrot.png2017-07-23-211812_387x488_scrot.png 
  13205   Mon Aug 14 19:41:46 2017 JamieUpdateCDSfront-end/DAQ network down for kernel upgrade, and timing errorsI'm upgrading the linux kernel for
all the front ends to one that is supposedly
more stable and won't freeze when we
  
  13215   Wed Aug 16 17:05:53 2017 JamieUpdateCDSfront-end/DAQ network down for kernel upgrade, and timing errorsThe CDS system has now been up moved to
a supposedly more stable real-time-patched
linux kernel (3.2.88-csp) and RCG r4447 (roughly
 2017-08-16-163725_1366x495_scrot.png 
  13216   Wed Aug 16 17:14:02 2017 KojiUpdateCDSfront-end/DAQ network down for kernel upgrade, and timing errorsWhat's the current backup situation?   
  13217   Wed Aug 16 18:01:28 2017 JamieUpdateCDSfront-end/DAQ network down for kernel upgrade, and timing errors


  
  13218   Wed Aug 16 18:06:01 2017 KojiUpdateCDSfront-end/DAQ network down for kernel upgrade, and timing errorsWe also need to copy chiara's root.
What is the best way to get the full image
of the root FS?
  
  13219   Wed Aug 16 18:50:58 2017 JamieUpdateCDSfront-end/DAQ network down for kernel upgrade, and timing errors


 2017-08-16-184910_1394x488_scrot.png 
  6917   Thu Jul 5 10:49:38 2012 JamieUpdateCDSfront-end/fb communication lost, likely again due to timing offsetsAll the front-ends are showing 0x4000 status
and have lost communication with the frame
builder.  It looks like the timing skew
  
  6918   Thu Jul 5 11:12:53 2012 JenneUpdateCDSfront-end/fb communication lost, likely again due to timing offsets

    

       
            
  
  6920   Thu Jul 5 12:27:05 2012 JamieUpdateCDSfront-end/fb communication lost, likely again due to timing offsets

    

       
            
  
  10046   Mon Jun 16 21:56:53 2014 JenneUpdateComputer Scripts / Programsfstab updates, MC autolocker running, FSS slow loop alive[Rana, Jenne]
Mc autolocker:
MC autolocker is running.  The
  
  4049   Mon Dec 13 22:21:41 2010 kiwamuSummarySUSfunny output matrix of ETMX: solved !I found that
a few connections in the simulink model of
  
  2101   Fri Oct 16 03:16:50 2009 rana, robSummaryLSCfunny timing setup on the LSCWhile measuring the Piezo Jena noise
tonight we noticed that the LSC timing is
setup strangely. 
 1X3_1.JPG 
  2104   Fri Oct 16 13:25:18 2009 KojiSummaryLSCfunny timing setup on the LSCCould be this.
http://ilog.ligo-la.caltech.edu/ilog/pub/ilog.cgi?group=detector&task=view&date_to_view=10/02/2009&anchor_to_scroll_to=2009:10:02:13:33:49-waldman

  
  13400   Tue Oct 24 20:14:21 2017 jamieSummaryLSCfurther testing of c1dnn integration; plugged in to DAQIn order to try to isolate CPU6 for the
c1dnn neural network reconstruction model,
I set the CPUAffinity in /etc/systemd/system.conf
 NN.pngc1dnn_out.png 
  13401   Wed Oct 25 09:32:14 2017 GabrieleSummaryLSCfurther testing of c1dnn integration; plugged in to DAQ


  
  11762   Fri Nov 13 17:33:39 2015 gautamUpdateLSCg-factor measurements


 findGFactor.zip 
  12646   Tue Nov 29 17:46:18 2016 rana, gautamFrogsComputer Scripts / Programsgateway PWD changeWe found that someone had violated all
rules of computer security decency
and was storing our nodus password as a plain
  
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