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  40m Log, Page 226 of 341  Not logged in ELOG logo
ID Date Author Type Category Subject Text Attachments
  5794   Thu Nov 3 14:25:52 2011 kiwamuUpdateLSCPDA10A as POP22/110 : too small signalIt
turned out that the signal was too small
with PDA10A to detect the 22 and 110 MHz
  
  5793   Thu Nov 3 13:00:52 2011 JenneUpdatePhotosFormatting of MEDM screen names

    

       
            
  
  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
  
  5791   Wed Nov 2 21:49:59 2011 KatrinUpdateCDSc1iscey computer died againwhile I was not doing anything on the machine.   
  5790   Wed Nov 2 21:15:06 2011 KatrinUpdateCDSand again c1scy.mdl compiledI changed an ADC channel for GCY_ERR and
thus recompiled the c1scy model.
  
  5789   Wed Nov 2 20:56:49 2011 KatrinUpdateCDSdigital zeros at C1:X05-MADC0 (c1scy)Channels C1:X05-MADC0_TP_XXX with XXX 2-9,
14-19, 21-27, 29-31 showed digital zeros.
Some of these channels are used in
  
  5788   Wed Nov 2 19:32:20 2011 kiwamuUpdateLSCPOP22/110 installed[Steve / Kiwamu]
 The
POP22/110 RFPD has been installed. It is
  
  5787   Wed Nov 2 17:33:28 2011 KatrinUpdateGreen LockingADC channels for slow controlconnector J9B of hardware ADC --> ch1
in software ADC --> GCY_ERR
connector J14 of hardware ADC -->
  
  5786   Wed Nov 2 17:29:10 2011 KatrinUpdateCDSc1scy.mdl compiledSlight modification on that model:

    terminated Q_out of Lockins
to be able to compile the old model
  
  5785   Wed Nov 2 14:07:25 2011 ZachUpdateelogrestartedElog was hanging, restarted with the script.   
  5784   Wed Nov 2 11:29:04 2011 not ZachUpdateSUS"Dr. SUS" progress

    

       
            
  
  5783   Wed Nov 2 10:41:47 2011 steveUpdateGeneral2 spare heliax at the LSC rackThey were traced and labeled. One goes
to 1X2 and the other to AS-ISCT. They are
Andrew Heliax 1/4" od. made by CommScone, 
  
  5782   Wed Nov 2 10:04:05 2011 steveUpdateSUSMC2 chamber anchoring tightened


   
        
            
  
  5781   Wed Nov 2 01:53:08 2011 ZachUpdateSUS"Dr. SUS" progressNow that NDS2
is working, I was able to run all parts
of 
  
  5780   Tue Nov 1 23:13:28 2011 ZachUpdateComputersNDS2 channel filesI did some messing around with the NDS2
config and channel files and things seem
to be working as expected... for now.
  
  5779   Tue Nov 1 19:26:38 2011 ZachUpdateSUS"Dr. SUS" progressEDIT: Ran Jamie's NDS2 reset method and
it's still not serving up MC data.
  
  5778   Tue Nov 1 18:45:48 2011 JenneUpdateComputersAllegra's screensI was trying to give Allegra a second head,
and it didn't quite work.  It's still
in progress.  Steve, you might not like
  
  5777   Tue Nov 1 18:16:50 2011 DenUpdateAdaptive FilteringAdaptive filter witness and EP SNR

    

       
            
 translation_length.jpgtrans_tilt.jpgseismic_length.jpgfiltering.jpgtilt_filtering.jpg 
  5776   Tue Nov 1 16:02:15 2011 kiwamuUpdateSUSRe: SUS input matrix diagonalizer REMOVED from crontab

    

       
            
  
  5775   Tue Nov 1 13:46:03 2011 ZachUpdateSUSSUS input matrix diagonalizer REMOVED from crontabIt turns out that nodus doesn't know how
to NDS2, so I can't run diagAllSUS as a cron
job on nodus. To further complicate things,
  
  5774   Tue Nov 1 13:41:38 2011 MirkoUpdateLSCAM modulation due to non-optimal SB frequency


   
        
            
 IMC.pdf 
  5773   Mon Oct 31 21:46:32 2011 kiwamuUpdateLSCDependence of Recycling gain on incident beam pointingI
horizontally swept the translation of the
incident beam in order to investigate a possible
 beam_scan_PRCL.png 
  5772   Mon Oct 31 19:39:00 2011 JenneUpdateAdaptive FilteringScreens, code, computers[Mirko, Jenne]
I finished (mostly? maybe?) the OAF
screens.  They're pretty awesome. 
  
  5771   Mon Oct 31 15:58:25 2011 steveUpdateSUSthinking of black glass baffles for 40mShade 12 black glass-green lines: 1/8"
thick,  6" wide  x 7 "
high  mounted on angle bracket below. 
 03260901.PDF03260902.PDF 
  5770   Mon Oct 31 14:06:16 2011 ZachUpdateSUSSUS input matrix diagonalizer added to crontabI actually tried to do this last night,
but I was getting a terminal error from nodus.
Jamie told me to just manually redefine the
  
  5769   Mon Oct 31 14:01:56 2011 KatrinUpdateGreen LockingYARM locks for 2hToday, I could lock the YARM laser for
2h to the YARM cavity. After to hours the
output of the servo is saturated. I need
 7x 
  5768   Mon Oct 31 09:42:12 2011 steveUpdateIOOPMC lockedThe PMC HV drops off more offen lately.  pmcHV.png 
  5767   Mon Oct 31 08:55:19 2011 steveUpdateVACpressure plot at day 53


   
        
            
 pd71-m-d53.png 
  5766   Sun Oct 30 23:03:37 2011 SUS_DiagonalizerUpdateSUSSUS input matrix diagonalization complete (EXAMPLE)New SUS input matrix diagonalization complete.
Matrices have been written to the frontend.
Summaries for each optic can be viewed below.
 10x 
  5765   Sun Oct 30 23:01:51 2011 ZachUpdateSUSdiagAllSUS -- automated input matrix generatorI finally got around to wrapping up   
  5764   Sun Oct 30 14:08:35 2011 ranaUpdateElectronicsRFAM monitor in place. ( Uncalibrated ) EPICS troubles


   
        
            
  
  5763   Sat Oct 29 22:57:03 2011 MirkoUpdateLSCAM modulation due to non-optimal SB frequency[Kiwamu, Mirko]
Non-optimal 11MHz SB frequency causes
PM to be transformed into AM.
 IMC.pdf 
  5762   Sat Oct 29 05:50:44 2011 kiwamuUpdateLSCMC suspensions misaligned to avid railing for PZTsI have shifted the alignment of the MC
suspensions such that the PZT won't rail.
Since I didn't care of the spot positions
 MCalignOct282011.pngOct282011.png 
  5761   Sat Oct 29 02:35:39 2011 SureshUpdateIOOWFS_MASTER screen and lockin screens fixedI have fixed the WFS_MASTER screen and
several of the subscreens such as the MCASS
and MC_WFS_LKIN.
  
  5760   Fri Oct 28 20:39:19 2011 MIrkoUpdateLSCRFAM monitor in place. ( Uncalibrated ) EPICS troubles{Suresh, Jamie, Mirko]
We adapted the Stochmon box to include
LP filters at 1.8Hz behind the RMS parts.
 MC_DC11MHz.mMC_DC29MHz.mMC_DC55MHz.mRFAMPD.c 
  5759   Fri Oct 28 18:33:59 2011 steveUpdateVACleaking nitrogen line fixedI was lucky to notice that the nitrogen
supply line to the vacuum valves was leaking.
Closed ALL valves. Open supply line to atm.
 allvalvesclosed.png 
  5758   Fri Oct 28 15:45:52 2011 MirkoUpdateComputersNifty screen generator

    
        
  
  5757   Fri Oct 28 15:33:06 2011 JenneUpdateComputersNifty screen generatorSuresh showed me a cool script that Mirko
made, but didn't elog
  
  5756   Fri Oct 28 14:56:02 2011 JenneUpdateCDSCSS/BOY installed on pianosa


   
        
            
  
  5755   Fri Oct 28 12:47:38 2011 jamieUpdateCDSCSS/BOY installed on pianosaI've installed Control
System Studio (CSS) on pianosa, from
the  version
  
  5754   Fri Oct 28 05:17:13 2011 kiwamuUpdateLSClocking activity : PZT1 is still railing Status update on the LSC activity:

 To see how good/bad the beam
  
  5753   Fri Oct 28 04:57:00 2011 kiwamuUpdateLSCPOX11 demod board brokenThe POX11 demodulation
board is broken. It needs to be fixed in
 Screen_shot_2011-10-28_at_2.26.02.png 
  5752   Fri Oct 28 03:42:50 2011 kiwamuUpdateLSCITMX table needs to be refined(POX)
The POX beam had been 80% clipped
at a black glass beam dump of the POX11 RFPD.
 ITMXtable.png 
  5751   Fri Oct 28 03:12:37 2011 SureshUpdateIOOMC2 realigned to align MC to PSLAround 6PM on the 27th, I found that the
C1:IOO-MC_RFPD_DCMON had risen to about 2.5V.
  I checked the trend of MC2 sensors
 MC2_Drift_20111027.png 
  5750   Fri Oct 28 02:41:18 2011 SureshMetaphysicselogelog unresponsive: restartedElog did not respond despite running the
/cvs/cds/caltech/elog/start-elog.csh 
script two times.  
  
  5749   Fri Oct 28 01:13:17 2011 kiwamuUpdateSUSITMX oplev : iris fully openedI found that the sum of the ITMX oplev
signals had gone down to zero yesterday.
I checked the ITMX table and found
  
  5748   Fri Oct 28 00:53:39 2011 ranaUpdateElectronicsPOP 22/110 DesignThe attached PDF shows a possible gain
/ input noise config for the POP 22/110 that
we would use to detect the RF power in the
 poy22110.pdf 
  5747   Thu Oct 27 18:00:38 2011 kiwamuSummaryLSCOffsets in LSC signals due to the RFAMs : Optickle simulationThe amount
of offsets in the LSC signals due to the
 ratio.pngupper.pngPRCL_200.pngMICH_200.pngSRCL_200.png 
  5746   Thu Oct 27 16:09:37 2011 kiwamuUpdateLSCRF distribution box : two more 55MHz availableThe diagram of the RF distribution box
has been updated according to the modification
( #5744).
 RF_Distribution_Box.png 
  5745   Thu Oct 27 03:32:45 2011 KojiSummaryIOORFAM monitor progress[Suresh, Mirko, Koji]
A cable from the stochmon box to
the cross connect for the EPICS ADCs is installed.
  
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