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ID Date Author Type Category Subjectup Text Attachments
  8967   Mon Aug 5 18:48:44 2013 gautamConfigurationendtable upgradeFull range calibration of PZT mounted mirrors for Y-endtable I
had prepared two more PZT mounted mirrors
for the Y-end some time back. These are:
 2-inch-CVI-Yawcalib.pdf2-inch-CVI-Pitchcalib.pdf1-inch-Laseroptik-Yawcalib.pdf1-inch-Laseroptik-Pitchcalib.pdf 
  2279   Tue Nov 17 10:09:57 2009 josephbUpdateEnvironmentFumesThe smell of diesel is particularly bad
this morning.  Its concentrated enough
to be causing me a headache.  I'm heading
  
  6191   Thu Jan 12 11:08:23 2012 Leo SingerUpdatePEMFunky spectrum from STS-2I am trying to stitch together spectra
from seismometers and accelerometers to produce
a ground motion spectrum from Hz to 100's
 spectrum.jpg 
  932   Fri Sep 5 09:56:14 2008 josephb, EricConfigurationComputersFunny channels, reboots, and ethernet connections1) Apparently the I00-ICS type channels had
gotten into a funny state last night, where
they were showing just noise, exactly when
  
  687   Thu Jul 17 00:59:18 2008 JenneSummaryGeneralFunny signal coming out of VCOWhile working on calibrating the MC_F signal,
Rana and I noticed a funny signal coming
out of the VCO.  We expect the output to
 VCOout_time.PNGVCOout_freq.PNG 
  9583   Tue Jan 28 22:24:46 2014 ericq UpdateGeneralFurther Alignment[Masasa, ericq]
Having no luck doing things remotely,
we went into the ITMX chamber and roughly
  
  12107   Thu May 5 14:03:52 2016 ericqUpdateLSCFurther Aux X PDH tweaksThis morning I poked around with the green
layout a bit. I found that the iris immediately
preceding the viewport was clipping the ingoing
 2016-05-05_newals.pdf 
  4581   Thu Apr 28 12:25:11 2011 josephbUpdateCDSFurther adventures in Hyper-threadingFirst, I disabled front end starts on boot
up, and brought c1sus up.  I rebuilt
the models for the c1sus computer so they
  
  13741   Mon Apr 9 18:46:03 2018 gautamUpdateIOOFurther debugging
I analyzed the data from the free
swinging MC test conducted over the weekend.
 MC_Freeswinging.pdfIMC_NB_20180409.pdf 
  13744   Tue Apr 10 14:28:44 2018 gautamUpdateIOOFurther debuggingI am working on IMC electronics.   
  2654   Thu Mar 4 02:25:14 2010 JenneUpdateCOCFurther details on the magnet story, and SRM guiderod glued[Koji, Jenne]
First, the easy story:  
  
  12507   Mon Sep 19 22:03:10 2016 ericqUpdateGeneralFurther recovery progress[ericq, Lydia, Teng]

Brief summary of this afternoon's
activities:
  
  12508   Tue Sep 20 10:45:06 2016 ranaUpdateGeneralFurther recovery progressRana suspicious. We had arms locked before
pumpdown with beams on Transmon PDs. If they're
off now, must be beams are far off on the
  
  12510   Wed Sep 21 01:08:02 2016 ericqUpdateGeneralFurther recovery progressThe misalignment wasn't as bad as I
had intially feared; the spot was indeed
pretty high on ETMX at first. Both transmon
  
  11414   Tue Jul 14 17:14:23 2015 EveSummarySummary PagesFuture summary pages improvementsHere is a list of suggested improvements
to the summary pages. Let me know if there's
something you'd like for me to add to
  
  11437   Wed Jul 22 22:06:42 2015 EveSummarySummary PagesFuture summary pages improvements- CDS Tab

We want to monitor the status of the
  
  8045   Fri Feb 8 21:14:52 2013 ManasaUpdateOpticsG&H - AR Reflectivity  Hours of struggle and still no
data 
 pr2.png27_1044419003.bmp 
  8046   Fri Feb 8 22:49:31 2013 KojiUpdateOpticsG&H - AR Reflectivity How about to measure the AR reflectivity
at larger (but small) angles the extrapolate
the function to smaller angle, 
  
  8047   Fri Feb 8 23:04:40 2013 ManasaUpdateOpticsG&H - AR Reflectivity

    

       
            
  
  8051   Sat Feb 9 19:34:34 2013 ranaUpdateOpticsG&H - AR Reflectivity  
 Use the trick I suggested:
Focus the beam so that the beam size
  
  8063   Mon Feb 11 19:55:47 2013 ManasaUpdateOpticsG&H - AR Reflectivity  
I adjusted the focal length of the
focusing lens and reduced the beam size enough
  
  8075   Wed Feb 13 09:28:56 2013 SteveUpdateOpticsG&H - HR plots 
 Gooch & Housego optics
order specification from 03-13-2010
  
  8018   Wed Feb 6 20:19:52 2013 ManasaUpdateOpticsG&H and LaserOptik mirrors[Koji, Manasa]
We measured the wedge angle of the
G&H and LaserOptik mirrors at the OMC
  
  12102   Mon May 2 17:06:58 2016 ranaSummaryCOCG&H optics to Fullerton/HWS for anneal testingSteve sent 4 of our 1" diameter G&H
HR mirrors to Josh Smith at Fullerton for
scatter testing. Attached photo is our total
 20160427_182305.jpg 
  530   Wed Jun 11 15:30:55 2008 josephbConfigurationCamerasGC1280The trial use GC1280 has arrived.  This is
a higher resolution CMOS camera (similar
to the GC750). Other than higher resolution,
 GC1280_60000E_scatter_2d.pdfGC1280_60000E_scatter_3d.pdf 
  649   Tue Jul 8 21:46:38 2008 YoichiConfigurationPSLGC650M moved to the PMC transmissionI moved a GC650M, which was monitoring the
light coming out of the PSL, to the transmission
port of the PMC to see the transmitted mode
  
  521   Thu Jun 5 13:35:23 2008 josephbConfigurationCamerasGC750 looking at 1064nm scattered lightI've taken 200 images of the GC750 (CMOS)
camera while holding it by hand up to a beam
card (also held by hand) in the path of ~5mW
 GC750_HeNe_scatter_avg.pdfGC750_HeNe_scatter_avg2.pdfGC750_HeNe_scatter_avg3.pdfGC750_scatter_avg.pdfGC750_nitrogen_white.pdf 
  378   Fri Mar 14 12:06:29 2008 josephbConfigurationCamerasGC750 looking at ETMX while lockedThe GC750 (CMOS) is currently looking at the
front of ETMX.  Unfortunately, its being
routed through a 10Mbit connection (which
 ETMX_zoom_exp_10000_750.tiff 
  558   Tue Jun 24 17:12:10 2008 josephb, EricConfigurationCamerasGC750 setup, 1X4 Hub connected, ETMX imagesThe GC750 camera has been setup to look at
ETMX.  In addition, the new 1X4 rack mounted
switch (131.215.113.200) has been connected
 GC750_ETMX_E30000_single.pdfGC750_ETMX_E30000_avg.pdfGC750_ETMX_E30000_std.pdf 
  10854   Mon Jan 5 20:17:26 2015 jamieConfigurationCDSGDS upgraded to 2.16.14I upgraded the GDS and ROOT installations
in /ligo/apps/ubuntu12
the control room workstations:
 2015-01-05-200025_1694x996_scrot.png 
  7238   Tue Aug 21 00:02:05 2012 ranaSummaryComputer Scripts / ProgramsGDS/DTT bug: 10 digit GPS times not accepted I've noticed that we're experiencing this
bug which was previously seen at
  
  13   Thu Oct 25 00:01:21 2007 ranaSoftware InstallationCDSGEO DV => LIGO DV[URL=http://www.aei.mpg.de/~hewitson/]Martin
Hewitson[/URL] of [B]GEO600[/B] fame has
modified the cool GEO DV
 Picture_1.png 
  144   Fri Nov 30 11:22:22 2007 ajwSummaryCDSGEO DV => LIGO DV[quote][URL=http://www.aei.mpg.de/~hewitson/]Martin
Hewitson[/URL] of [B]GEO600[/B] fame has
modified the cool GEO DV
  
  234   Thu Jan 10 13:45:52 2008 PkpUpdateCamerasGLIBC ErrorSo, I have tried to compile the camera files
which are in /cvs/cds/caltech/target/Prosilica/examples
for the past 2 days now and have been unable
  
  158   Mon Dec 3 16:24:47 2007 tobinHowToComputersGNU screen[url=http://jmcpherson.org/screen.html]GNU
screen[/url] is a utility that can be quite
handy for managing long-running psuedo-interactive
  
  142   Thu Nov 29 18:10:13 2007 AlbertoHowToComputer Scripts / ProgramsGPIB ScriptsI've spent a lot of time trying to configurate
the GPIB-USB interface for the HP4195. After
installing 1) the Agilent libraries, 2) the
  
  143   Thu Nov 29 19:35:14 2007 ranaHowToComputer Scripts / ProgramsGPIB Scripts[quote]I've spent a lot of time trying to
configurate the GPIB-USB interface for the
HP4195. After installing 1) the Agilent libraries,
  
  3969   Mon Nov 22 20:01:56 2010 kiwamuConfigurationComputersGPIB box : took it out from HP3563A and connect it to AG4395A I disconnected the yellow GPIB box
from the backside of 
  
  3120   Fri Jun 25 12:09:27 2010 kiwamuUpdateComputersGPIB controller of HP8591EI've
just stolen a GPIB controller, an yellow
small box, from the spectrum analyzer HP8591E.
  
  1479   Mon Apr 13 18:57:03 2009 AlbertoFrogsComputersGPIB/ETH Interface TroublesI really don't understand why my programs
that I used to use to get data from the HP
Spectrum Analyzer and the Marconi frequency
 sweepfrequencyPRC.pyHP8590PRC.py 
  1481   Tue Apr 14 12:10:11 2009 AlbertoFrogsComputersGPIB/ETH Interface Troubles


   
        
            
  
  5994   Thu Nov 24 02:23:43 2011 KojiSummaryGeneralGPIB<->WIFIGPIB<->WIFI on Agilent Network Analyzer
4395A was broken.
The
  
  1070   Wed Oct 22 20:50:30 2008 AlbertoOmnistructureComputersGPSToday I measured the GPS clock frequency at
the output of CLOCK_MON in a board on the
same crate where the c1iool0 computer is
  
  1133   Thu Nov 13 15:50:44 2008 AlbertoConfigurationGeneralGPS 10MHz clockThe schematic of the 1Y7 rack that Alan pointed
out (see attachment) don't represent anymore
the actual rack.
 rackstuff.pdf 
  12182   Wed Jun 15 10:19:10 2016 SteveConfigurationCDSGPS antennas... debuggingVisual
inspection of rooftop GPS antennae:
 6x 
  13211   Tue Aug 15 16:32:42 2017 Jamie, GautumUpdateCDSGPS receiver apparently set to correct mode as "UTC"


  
  12167   Fri Jun 10 12:21:54 2016 jamieConfigurationCDSGPS receiver not resetting properlyThe GPS receiver (EndRun Technologies box
in 1Y5? (rack closest to door)) seems to
not coming back up properly after the reboot.
  
  12200   Mon Jun 20 11:11:20 2016 SteveConfigurationCDSGPS receiver not resetting properlyI called https://www.endruntechnologies.com/pdf/USM3014-0000-000.pdf 
and they said it's very likely just needs
a software update. They will email Jamie
  
  12201   Mon Jun 20 11:19:41 2016 jamieConfigurationCDSGPS receiver not resetting properly


  
  16299   Wed Aug 25 18:20:21 2021 JamieUpdateCDSGPS time on fb1 fixed, dadq writing correct frames againI have no idea what happened to the GPS
timing on fb1, but it seems like the issue
was coincident with the power
  
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