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ID Date Author Type Category Subjectup Text Attachments
  2845   Mon Apr 26 12:24:58 2010 josephbUpdateGeneralDaily Downs updateTalked with Jay briefly this morning.
We are due another 1-U 4 core (8
CPU) machine, which is one of the ones currently
  
  2871   Mon May 3 15:39:39 2010 josephbUpdateCDSDaily Downs updateTalked with Jay briefly today.  Apparently
there are 3 IO chassis currently on the test
stand at Downs and undergoing testing (or
  
  5145   Mon Aug 8 22:12:58 2011 NicoleSummarySUSDaily SummaryToday I balanced the mirror, finished putting
together the second photosensor, and finished
my photosensor circuit box! 
 frontview.jpgfrontview.jpg 
  7203   Thu Aug 16 13:04:36 2012 LizSummaryComputer Scripts / ProgramsDaily Summary DetailsI just wrote a short description of
  
  7108   Tue Aug 7 18:38:50 2012 LizUpdateComputer Scripts / ProgramsDaily Summary Pages are in their final form!Please check the summary   
  16940   Wed Jun 22 18:55:31 2022 yutaUpdateLSCDaily alignment work; POY trouble solved[Koji, Yuta]

I found that Yarm cannot be locked
 Screenshot_2022-06-22_17-17-42_XYaligned.pngScreenshot_2022-06-22_18-58-26_Transmission.png 
  16941   Wed Jun 22 19:41:13 2022 KojiUpdateLSCDaily alignment work; POY trouble solvedBefore the final measurement of the DC
values for the transmissions, I aligned the
PMC. This made the PMC trans increased from
  
  6675   Thu May 24 14:49:59 2012 KojiSummaryGeneralDaily news ideaTop tab categolies:

    Summary
    CDS

   
        CDS Status
  
  
  11319   Fri May 22 11:59:54 2015 ericqUpdateSUSDampRestore script problemPRM watchdog tripped, but the damprestore.py
script wouldn't run. 

It turns out the script tries to
  
  11320   Fri May 22 12:09:57 2015 ranaUpdateSUSDampRestore script problemI will move it back. We need to fix our
scripts to not use any users/ libraries ever
again.
  
  16748   Tue Mar 29 17:35:54 2022 PacoUpdateSUSDamping fix on BS, AS4, PR2, and PR3[Ian, Paco]


We removed the "cheby"
filters from AS4, PR2 and PR3 which had been
  
  12515   Thu Sep 22 22:52:08 2016 ericqUpdateGeneralDamping found to be onJust a heads up, it looks like the damping
came on at around 8:30pm. Not sure why. 
  
  10623   Fri Oct 17 15:17:31 2014 jamieUpdateCDSDaqd "fixed"?I very tentatively declare that this particular
daqd crapfest is "resolved" after
Jenne rebooted fb and daqd has been running
  
  10624   Fri Oct 17 16:54:11 2014 jamieUpdateCDSDaqd "fixed"?

    

       
            
  
  10633   Thu Oct 23 01:39:34 2014 JenneUpdateCDSDaqd "fixed"?Merging of threads. 
ChrisW figured out that it looks
like the problem with the frame builder is
  
  10616   Thu Oct 16 03:18:48 2014 JenneUpdateCDSDaqd segfaulting again The daqd
process on the frame builder looks like it
  
  10617   Thu Oct 16 12:22:43 2014 ericqUpdateCDSDaqd segfaulting againI've been trying to figure out why daqd
keeps crashing, but nothing is fixed yet. 
I commented out the line in /etc/inittab
  
  4320   Thu Feb 17 23:56:53 2011 josephbUpdateCDSDaqd was rebuilt, now reverted.As one of the trouble shooting steps for
the daqd (i.e. framebuilder) I rebuilt the
daqd executable.  My guess is somewhere
  
  2095   Thu Oct 15 02:38:10 2009 rana, robUpdateOMCDark Port Mode Scan using the OMCBottom trace is proportional to the OMC
PZT voltage - top trace is the transmitted
light through the OMC. Interferometer is
 OMC-ModeScan_091015.png 
  519   Wed Jun 4 16:57:12 2008 josephbConfigurationCamerasDark images from cameras (electronics noise measurement)The attached pdfs are 1 second and 1 millisecond
long integrations from the GC650 and GC750
cameras with a cap in place - i.e. no light.
 GC650_1sec_dark.pdfGC650_1msec_dark.pdfGC750_1sec_dark.pdfGC750_1msec_dark.pdfGC650_1sec_dark_zoom.pdf 
  7330   Fri Aug 31 17:44:21 2012 ManasaUpdateRingdownData

    

       
            
 cum_plot.png 
  10274   Sat Jul 26 10:12:19 2014 AkhilUpdateGeneralData Acquisition from FC into EPICS Channels I succeeded in creating a new channel
access server hosted on domenica ( R Pi)
for continuous data acquisition from the
  
  10276   Sat Jul 26 13:38:34 2014 JamieUpdateGeneralData Acquisition from FC into EPICS Channels

    

       
            
  
  10277   Sat Jul 26 14:35:28 2014 AkhilUpdateGeneralData Acquisition from FC into EPICS Channels

    

       
            
  
  10200   Tue Jul 15 01:41:43 2014 JenneUpdateLSCData for DARM on sqrtInv investigationI took some data tonight for a quick look
at what combinations of DC signals might
be good to use for DARM, as an alternative
  
  10208   Wed Jul 16 01:04:09 2014 JenneUpdateLSCData for DARM on sqrtInv investigationI realized while I was looking at last
night's data that I had been doing CARM sweeps,
when really I wanted to be doing DARM sweeps. 
  
  2775   Tue Apr 6 11:27:11 2010 AlbertoUpdateComputer Scripts / ProgramsData formats in the Agilent AG4395a Spectrum AnalyzerLately I've been trying to sort out the
problem of the discrepancy that I noticed
between the values read on the spectrum analyzer's
  
  2776   Tue Apr 6 16:55:28 2010 AlbertoUpdateComputer Scripts / ProgramsData formats in the Agilent AG4395a Spectrum Analyzer


   
        
            
  
  7746   Mon Nov 26 18:56:34 2012 JenneHowToComputersData logging suggestionsWe've been talking for a while about how
we want to store data.  I'm not in love
with keeping it on the elog, although I think
  
  11444   Fri Jul 24 18:12:52 2015 Max IsiUpdateGeneralData missingFor the past couple of days, the summary
pages have shown minute trend data disappear
at 12:00 UTC (05:00 AM local time). This
 C1-ALL_FBDB3F_TIMESERIES-1121731217-86400.png 
  11455   Tue Jul 28 17:07:45 2015 JamieUpdateGeneralData missing


  
  10973   Wed Feb 4 18:16:44 2015 KojiUpdateLSCData transfer rate of c1lsc reduced from ~4MB/s to ~3MB/sc1lsc had 60 full-rate (16kS/s) channels
to record. This yielded the LSC to FB connection
to handle 4MB/s (mega-byte) data rate.
  
  13801   Mon Apr 30 23:13:12 2018 KevinUpdateComputer Scripts / ProgramsDataViewer leapsecondsI was trying to plot trends (min, 10 min,
and hour) in DataViewer and got the following
error message
  
  14781   Fri Jul 19 19:44:03 2019 gautamUpdateCDSDatabase file testSummary:

The database files for C1ISCAUX
seem to work file - the exception being the
 Whitening.png 
  14771   Thu Jul 18 10:46:04 2019 gautamUpdateCDSDatabase files madeI completed the translation of the .db
files for the EPICS database records from
the VME notation to the Acromag/Modbus/Asyn
  
  11830   Tue Dec 1 10:52:52 2015 SteveUpdateGeneralDataviewerDataviewer x axis end is not there.

On ( 2600 days) longer plots it
is missing 8 moths and on (100 days) shorther
 xAxisEndMissing.png 
  9137   Wed Sep 18 11:29:43 2013 manasaUpdateCDSDataviewer cannot connect to fbMasayuki pointed out that dataviewer wasn't
connecting to the fb this morning.
When I started dataviewer from the
 CDS_FE.png 
  9138   Wed Sep 18 11:52:53 2013 JamieUpdateCDSDataviewer cannot connect to fb

    

       
            
  
  14782   Fri Jul 19 22:48:08 2019 KruthiUpdate Dataviewer errorI'm not able to get trends of
the TM adjustment test that Rana had
asked us to perform, from the dataviewer.
  
  14783   Sat Jul 20 01:03:37 2019 gautamUpdate Dataviewer errorWhat channels are you trying to read?




  
  10611   Wed Oct 15 17:18:10 2014 JenneUpdateComputer Scripts / ProgramsDataviewer fix with Ubuntu 12.04 
 I have modified the Dataviewer
launcher (which runs when you either click
  
  11832   Tue Dec 1 16:55:04 2015 SteveUpdateVACDataviewer fixedQ adjusted the Dataviewer so it is not
chopping of data any more. Thanks.

 
 10yrsCC1&4M.png 
  13655   Sun Feb 25 00:03:12 2018 gautamUpdateALSDaughter board prototypingUsing one of the prototype  schematic.pdfdaughterBoard_TF.pdfdaughterBoard_noise.pdfTEK00000.PNGdaughterBoard_noise.pdf 
  13657   Mon Feb 26 20:55:56 2018 ranaUpdateALSDaughter board prototypingLooks good.

* for bypass type applications,
you don't have to use Wima caps (which
  
  13658   Tue Feb 27 21:10:45 2018 gautamUpdateALSDaughter board testingI thought a little bit about the next steps
in testing the daughter board. The idea is
to install this into the existing 1U chassis
 IMG_6912.JPGIMG_6913.JPGIMG_6914.JPG 
  1341   Thu Feb 26 19:59:23 2009 YoichiUpdateLockingDaytime lockingOsamu, Yoichi

We tried locking today from about 2PM.
 CM1.pngCM2.pngCM3.png 
  201   Wed Dec 19 15:51:00 2007 AndreyUpdateComputer Scripts / ProgramsDaytime measurements in XARM and their results
I was making measurements in XARM for three
different nights. All the results agree with
 11x 
  14975   Thu Oct 17 12:34:51 2019 gautamUpdateGeneralDaytime wishlistSome ideas that would help increase the
locking duty-cycle in the short term. 


Seismometer investigation
 DriftingTTs.pngFSSweirdness.png 
  13010   Tue May 23 22:58:23 2017 gautamUpdateGeneralDe-Whitening board noisesSummary:

I
 ITMX_deWhite_ch1_noise.pdf 
  15783   Thu Jan 28 22:34:21 2021 gautamUpdateSUSDe-whiteningSummary:


We will need de-whitening
filters for the BHD relay optics in order
 DACnoiseModels.pdfactuationRange.pdfdeWhiteTFs.pdfdispNoiseModels.pdf 
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