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ID Date Author Type Category Subjectup Text Attachments
  8705   Fri Jun 14 00:32:43 2013 JenneUpdateLSCNew modeled sensing matrixI put in a new version of the modelled
plot.  I figured out a different way
to keep things generic so the same script
 SensMatModel_13June2013_currentPRMIfreq.pngSensMatModel_13June2013_idealPRMIfreq.png 
  8706   Fri Jun 14 02:38:07 2013 ranaUpdateLSCNew modeled sensing matrix This is nice - how about figuring
out how to plot the measurement and model
on the same plot? I guess we need to figure
  
  8737   Mon Jun 24 11:51:23 2013 JenneUpdateLSCNew modeled sensing matrix

    

       
            
 SensMatMeas_23May2013_21May2013_overlay.pngSensMatMeas_23May2013meas_13June2013model_overlay.pngSensMatMeas_23May2013_21May2013_NoRotation_overlay.png 
  5511   Thu Sep 22 01:05:28 2011 KatrinUpdateGreen LockingNew modulation frequency (Y arm)[Kiwamu / Katrin]
 
On Wednesday, the green light was
  
  3055   Tue Jun 8 15:58:25 2010 josephb, alexUpdateCDSNew multi-filter matrix part added to RCG (at the 40m at least)A new webview of the LSP model is available
at:
https://nodus.ligo.caltech.edu:30889/FE/lsp_slwebview_files/
 CDS_Library.png 
  9954   Wed May 14 17:36:32 2014 ericqUpdateCDSNew netgpib scripts for SR785 I have redone the SPSR785 (spectrum measurement)   
  10935   Fri Jan 23 14:25:03 2015 evanUpdateCDSNew netgpib scripts for SR785Does netgpibdata/TFSR785
work at the 40m currently? I rsynced the
netgpibdata
 TFSR785.zip 
  10936   Fri Jan 23 15:46:21 2015 ericqUpdateCDSNew netgpib scripts for SR785


  
  1267   Mon Feb 2 19:23:53 2009 YoichiUpdateGeneralNew optical layout planThe attached is a plan of the optical layout
in the central part for the upgrade.
I included, the folded recycling cavities,
 40mUpgradeOpticalLayoutPlan01.pdf.zip 
  1269   Tue Feb 3 19:24:14 2009 YoichiUpdateGeneralNew optics layout wiki pageI uploaded a slightly updated version of the
new optics layout on the 40m wiki.
http://lhocds.ligo-wa.caltech.edu:8000/40m/Upgrade_08/Optical_Layout
  
  198   Tue Dec 18 23:27:36 2007 AndreyConfigurationComputer Scripts / ProgramsNew overnight measurements (this night from Tue to Wed)
[COLOR=red]I am making overnight measurements
in XARM tonight.[/COLOR]
  
  205   Thu Dec 20 02:04:09 2007 AndreyUpdateComputer Scripts / ProgramsNew overnight measurements in XARM and their results
I ran in the daytime/evening time my program,
changing the damping gains in suspension
 11x 
  15554   Thu Sep 3 00:00:57 2020 gautamUpdateBHDNew patch cable installed
10m PM1064 cable was installed.
I tried a double shielding approach (photos
tmrw here),
  
  286   Wed Jan 30 13:09:55 2008 AndreyUpdateSUSNew results for XARM (pdf)
See attachments: pdf-presentation with plots
in "true" axes Q_ETMX and Q_ITMX, and seismic
 New_Results_XARM.pdfAccel-Seismic_10AM.pdf 
  11065   Wed Feb 25 11:01:05 2015 manasaUpdateComputer Scripts / ProgramsNew screen for FOL PID loopCreated a new medm screen C1ALS_FOL_PID.adl for
FOL PID loop control in 
  
  5792   Wed Nov 2 22:02:39 2011 JenneUpdatePhotosNew screen snapshot script written!After lots of trial and error, and a little
inspiration from Koji, I have written a new
script that will run when you select "update
  
  2729   Mon Mar 29 15:26:47 2010 MottHowToComputersNew script for controlling the AG4395AI just put a script in the /cvs/cds/caltech/scripts/general/netgpibdata/
directory to control the network analyzer
called AG4395A_Run.py .   A section
  
  2738   Wed Mar 31 03:45:49 2010 MottHowToComputersNew script for controlling the AG4395A 
I took data for the 2 NPRO PLL using
the script I wrote for the AG4395, but it
 noisy_spec.png 
  13299   Wed Sep 6 01:09:11 2017 johannesUpdateComputer Scripts / ProgramsNew set of loss measurementsI
stumbled upon a faster way to stream data from
 XARM_20170905.pdfYARM_20170905.pdf 
  4380   Mon Mar 7 17:22:39 2011 josephbUpdateCDSNew simulated plant work[Joe, Jamie]
We modified the c1scx model to have
a switch to go between simulated and real
  
  11166   Tue Mar 24 15:22:12 2015 manasaUpdateComputer Scripts / ProgramsNew slow channels for FOL[Koji, Manasa]

I have created
new slow channels for FOL.
  
  11799   Mon Nov 23 14:45:39 2015 ericqUpdateComputer Scripts / ProgramsNew softwareCOMSOL 5.1 has been installed at: /cvs/cds/caltech/apps/linux64/comsol51/bin/comsol

MATLAB 2015b has been installed
  
  3251   Tue Jul 20 15:06:48 2010 josephb, bobOmnistructureGeneralNew speakers in ceiling in control roomAfter the crane training, Bob attached
speakers to the ceiling right next to the
projector, for use with presentations.
  
  12124   Fri May 20 17:36:06 2016 gautamUpdateLSCNew stands for TransMon/Oplev QPDsAs we realized during the EX table switch,
the transmitted beam height from the arm
is not exactly 4" relative to the endtable,
  
  12142   Wed Jun 1 09:06:38 2016 SteveUpdateLSCNew stands for TransMon/Oplev QPDsMachined from I-beam 6061 T6 Aluminum 5"
x 0.5 x 3.25

 pdIb.PDFpdstand.pdf 
  11448   Mon Jul 27 17:51:06 2015 EveUpdateSummary PagesNew summary page tabs and other improvementsThe summary pages can still be found at https://nodus.ligo.caltech.edu:30889/detcharsummary/ (EDIT:
in an older version of this post I listed
  
  7815   Wed Dec 12 14:59:49 2012 ManasaConfiguration40m UpgradingNew tip-tilts layout in BSCI have updated the BSC layout to include
the new tip-tilts. The bigger footprints
of the tiptilts are on in
 bs.png 
  4679   Tue May 10 16:42:49 2011 josephbUpdateCDSNew upconversion model (c1uct)[Ryan, Joe]
Ryan added the c1uct (upconversion
tester) model to the c1ioo machine.  
  
  16367   Thu Sep 30 14:09:37 2021 AnchalSummaryCDSNew way to ssh into c1teststandLate elog, original time
Wed Sep 29 14:09:59 2021

We opened a new port (22220) in
  
  13170   Mon Aug 7 22:50:57 2017 KojiUpdateGeneralNew wifi router for the GC network installedI have replaced the old 11n wifi router
(CISCO / Linksys) for the GC network with
a new one with 11ac technology.
  
  3889   Thu Nov 11 01:34:27 2010 JenneUpdateSUSNew-Old ETM towers assembled[Suresh, Jenne]
We have put together the new-old
ETM towers.  These are the ones which
  
  9020   Fri Aug 16 21:15:04 2013 ranaUpdateCDSNew/old CDS laptop for X-EndI took the "aso-laptop" and made
it into Ubuntu a couple months ago. Today
I added it to the Martian network and then
  
  9297   Sat Oct 26 22:48:55 2013 ranaUpdateCDSNew/old CDS laptop for X-End    
  11442   Thu Jul 23 21:12:14 2015 IgnacioUpdateGeneralNewer accelerometer huddle test data + detrendingIn the last post concerning the self noise
of the accelerometers, I mentioned the differences
between the two data sets I was playing with.
 old_data_1.pngold_data_2.pngnew_data.pngsix_old_data.png 
  11450   Tue Jul 28 09:31:35 2015 IgnacioUpdateGeneralNewest accelerometer huddle testI downloaded new accelerometer huddle test
data from last night and analyzed it. This
new data set is ~55 mins and uses the same
 selfnoise_allsix_miso_newest.png 
  12704   Thu Jan 12 02:45:53 2017 JohannesUpdateGeneralNext armloss stepsAs stated in elog
12618, using an oscilloscope to average
the reflected powers and thus circumventing
 ass_illustration.pdf 
  4155   Fri Jan 14 12:29:57 2011 KojiUpdateLockingNext steps for the greenThese are the next steps for a better operation
of the arm locking. They are suitable for
the day time activities
  
  12367   Wed Aug 3 15:36:57 2016 SteveUpdateSUSNi plated magnets & epoxy orderedNi plated SmCo magnets with specification
of LIGO-C1103521-v2 for SOS ordered from Electron
  
  5757   Fri Oct 28 15:33:06 2011 JenneUpdateComputersNifty screen generatorSuresh showed me a cool script that Mirko
made, but didn't elog
  
  5758   Fri Oct 28 15:45:52 2011 MirkoUpdateComputersNifty screen generator

    
        
  
  6751   Tue Jun 5 00:49:28 2012 JenneUpdateGreen LockingNightly update[Yuta, Jenne]
Vaguely chronological order:
Found a beat peak, thought it was
  
  15344   Fri May 22 10:14:47 2020 JordanUpdateGeneralNitrogen ReplacementI was in the lab for Clean and Bake activities
and I replaced an empty N2 tank. Left tank
is at 2600 psi right tank at ~1300 psi.
  
  16808   Mon Apr 25 14:19:51 2022 JCUpdateGeneralNitrogen TankComing in this morning, I checked on the
Nitrogen tanks to check the level. One of
the tanks were empty, so I went ahead and
  
  16809   Mon Apr 25 14:49:02 2022 KojiUpdateGeneralNitrogen TankFor your (and mine) info:

N2 pressure can be monitored on
the 40m summary page: https://nodus.ligo.caltech.edu:30889/detcharsummary/day/20220425/vacuum/
  
  8766   Thu Jun 27 17:04:49 2013 JenneUpdatesafetyNitrogen bottle too hot - overpressuredAll of us in the control room / desk area
heard a sudden whoosh of air a few minutes
ago.  It kind of sounded like a pressure
  
  576   Thu Jun 26 18:27:04 2008 ranaUpdateComputer Scripts / ProgramsNo Dataviewer No CryDataviewer was hanging. It would open the
Grace window but then not plot anything.
Since DTT was working
  
  14286   Fri Nov 9 15:00:56 2018 gautamUpdateIOONo IFO beam as TT1 UL hijacked for REFL55 checkThis
problem resurfaced. I'm doing the
debugging.
 REFL55_wht_chk.png 
  10652   Thu Oct 30 01:21:37 2014 JenneUpdateLSCNo MICH in REFL165[Koji, Jenne, Diego]
Summary: 
 MICH_to_REFL165_29Oct2014.pdf 
  1425   Wed Mar 25 01:37:35 2009 rana, yoichiSummaryIOONo Reference Cavity RequiredWe were wondering if we need to have a reference
cavity. One possible reason to have one is
to reduce the free running
  
  1451   Wed Apr 1 23:18:07 2009 rana, kojiSummaryIOONo Reference Cavity RequiredKoji sent us a note about our "No Reference
Cavity Required" entry. I thought that it
nicely summarizes the
  
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