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  40m Log, Page 225 of 344  Not logged in ELOG logo
ID Date Author Typeup Category Subject Text Attachments
  9994   Tue May 27 11:00:43 2014 SteveUpdateVACRGA scan at day 111 
 Rga scan at pump down 77, vacuum
normal valve configuration, maglev rotation
 pd77d111RGA.png 
  9995   Tue May 27 11:58:45 2014 JenneUpdateElectronicsAmplifier removed from BeatX pathSorry, I had been in a hurry when I worked
on this last week, and again when I wrote
the elog, but I wanted to at least put in
 ALS_outofloop_27May2013.pdf 
  9996   Tue May 27 21:48:31 2014 JenneUpdateLSCX green broadband PD not working???!?Grr.  I am very frustrated. 
After lunch I redid alignment for both X
and Y green systems (Yarm both at the end
 ALS_outofloop_27May2013_2.pdf 
  9997   Tue May 27 22:29:17 2014 JenneUpdatePSLPSL making noisesAlso, while I was working on the PSL table,
I heard noise that sounded like a bearing
rolling around.  I suspected the HEPAs,
  
  9998   Wed May 28 11:55:16 2014 SteveUpdatePSLPSL Innolight controller fan is noisy

    

       
            
 2WinnoRFan.jpg 
  9999   Wed May 28 14:13:06 2014 manasaUpdateIOOMC relocked

    

       
            
  
  10000   Wed May 28 17:51:48 2014 manasaUpdateLSCX green broadband PD NOT working

    

       
            
  
  10001   Wed May 28 19:15:38 2014 KojiUpdateLSCX green broadband PD NOT workingIf the PD is the suspect, just pull it
from the table and bring it to the PD testing
setup.
  
  10002   Thu May 29 02:16:02 2014 ericqUpdateLSCHigh Bandwidth power recycled Yarm. I'll put more detail in the morning, but
I was able to get the PRM/ITMY/ETMY coupled
cavities locked with 32kHz bandwidth using
 quickOLTFs.pdf 
  10003   Thu May 29 08:43:34 2014 manasaUpdatePEMAnt season already inAnt season has set in. I spotted and killed
 a few ants around the optics
  
  10004   Thu May 29 14:40:17 2014 KojiUpdateLSCHigh Bandwidth power recycled Yarm. Wait. It is not so clear.
Do you mean that the IFO was locked
with REFL11I for the first time? 
  
  10005   Thu May 29 15:33:55 2014 ericqUpdateLSCHigh Bandwidth power recycled Yarm.

    

       
            
  
  10006   Fri Jun 6 14:56:09 2014 ericqUpdateelogAaaaaand we're back!ELOG is back up and running after last
Friday's disk-crash-a-thon. SVN is still
a work in progress. Jenne and I are now restarting
  
  10007   Mon Jun 9 09:41:06 2014 steveUpdatesafetysafety training2014 surf students Nichin and Akhil received
40m specific basic safety training last week.
 2014surfs.jpg 
  10008   Mon Jun 9 09:51:11 2014 Sai AkhilUpdateElectronicsFrequency Error Measurement of UFC-6000 RF Frequency Counter Motivation: 
 
To test the
precision of Mini-Circuits Model UFC-6000
 Data_and_Script_Files.zipError_Measurement_FC.pdfError_freq.jpg 
  10010   Mon Jun 9 11:42:00 2014 JenneUpdateCDSComputer statusCurrent computer status:
All fast machines except c1iscey
are up and running. I can't ssh to c1iscey,
  
  10011   Mon Jun 9 12:19:17 2014 ericqUpdateCDSComputer status

    

       
            
  
  10013   Mon Jun 9 19:02:34 2014 Evan, EricUpdateComputer Scripts / ProgramsSVN is backThe SVN Apache server was not happy trying
to read from /cvs/cds/caltech/svn/;
it complains "Value too large for defined
  
  10015   Mon Jun 9 22:26:44 2014 rana, zachUpdateCDSSLOW controls recovery All of the SLOW computers were
in limbo since the fileserver/nameserver
change, but me and Zach brought them back.
  
  10016   Mon Jun 9 22:40:36 2014 JenneUpdateCDSFast front end computers upRana
and I now seem to have the fast front end
computers (c1lsc, c1sus, c1ioo, c1iscex and
  
  10017   Mon Jun 9 23:08:58 2014 JenneUpdateIOOMC board checkoutRana mentioned this in his elog entry re:
SLOW computer recovery, but I want to highlight
it:
  
  10018   Tue Jun 10 09:25:29 2014 JamieUpdateCDSComputer status: should not be changing namesI really think it's a bad   
  10020   Tue Jun 10 12:49:46 2014 AkhilUpdateComputer Scripts / ProgramsInterfacing UFC-6000 with Raspberry Pi completed Goal:
 To interface the Mini Circuits
RF Frequency Counter(FC) Model UFC-6000 with
 Interfacing_Script.zip 
  10023   Wed Jun 11 08:57:49 2014 SteveUpdatePEM air cond maintenance tomorrow morning

    

       
            
  
  10025   Wed Jun 11 14:36:57 2014 JenneUpdateCDSSLOW controls recovery 
 I have brought back c1auxex
and c1auxey.  Hopefully this elog
  
  10026   Wed Jun 11 14:41:11 2014 JenneUpdateSUSBurt restored c1scxepicsETMX had default 1's for gains, 0's for
matrix elements, etc., so I did a burt restore
to May 25th, 2pm, which was a few days before
  
  10027   Wed Jun 11 15:57:18 2014 JenneUpdateCDSNote on cables for talking to slow computersWe have (now) in the lab 2 cables that
are RJ45-DB9.  The gray one is LIGO-made,
while the blue one is store-bought.  
 06111401.PDF 
  10028   Wed Jun 11 16:01:31 2014 SteveUpdateCDSc1Vac1 and c1vac2 rebooted

    

       
            
 beforeReboot.png 
  10030   Thu Jun 12 10:41:58 2014 SteveUpdatePSLPMC-T trend of 4 years

    

       
            
 4yTrend2Winno.png 
  10033   Thu Jun 12 15:31:47 2014 JamieUpdateCDSNote on cables for talking to slow computers

    

       
            
  
  10034   Thu Jun 12 16:56:31 2014 NichinUpdateElectronicsPD Inspection






Normal
0
 Inspection_PD_Freq_Resonse_system_12th_June_2014.pdf 
  10035   Fri Jun 13 09:20:37 2014 SteveUpdateSUSrestored damping at PRM and ETMYETMX medm screen values are blank.   
  10036   Fri Jun 13 11:33:55 2014 AkhilUpdateElectronicsCharacterization of UFC-6000 RF Frequency Counter Goal:
To characterize the Mini-Circuits
RF FC (Model UFC-6000) and plot Bode Plots
 Bode_Plots.zip 
  10037   Fri Jun 13 18:16:00 2014 NichinUpdateElectronicsChanges to the PD frequency response measurement system



  
  10038   Fri Jun 13 19:09:44 2014 KojiUpdateIOOA blown fuse found on the euro card crate at 1X2 (IOO) rack.[Rana Zach Koji]
We tracked down the MC locking issue
to be associated with the power supply problem.
  
  10039   Sat Jun 14 18:43:15 2014 ranaUpdateIOOMC Autolocker upgrades Somehow the caget/caput commands
are really slow. I'm not sure if this is
new behavior or not, but after changing values,
  
  10045   Mon Jun 16 21:22:16 2014 JenneUpdateComputer Scripts / ProgramsRossa having a bad day[Jenne, Rana]
Today, Rossa has been hanging at
bootup.  You get the desktop, and most
  
  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
  
  10047   Mon Jun 16 23:15:44 2014 JenneUpdateLSCIFO alignment recoveryI noticed today, and Rana said that he
saw Saturday, that 
 Note_061614_230723_0.jpg 
  10048   Tue Jun 17 12:04:40 2014 manasaUpdateComputer Scripts / ProgramsMC autolocker NOT running, FB needs some attentionMC autolocker and Ottavia
I assume that the MC was left with
a fully functioning autolocker enabled and
 FE_red.png 
  10049   Tue Jun 17 16:52:40 2014 ericqUpdateComputer Scripts / Programsautolocker confusion

    

       
            
  
  10050   Tue Jun 17 17:04:26 2014 ericqUpdateComputer Scripts / ProgramsFB troubles

    

       
            
  
  10051   Tue Jun 17 17:14:14 2014 ManasaUpdateLSCIFO alignment recovery 1. Recovered MC alignment and locked
it manually after the ottavia cron failed
to help.
  
  10052   Tue Jun 17 19:39:29 2014 ranaUpdateComputer Scripts / Programsautolocker confusionI renamed the Autolocker and described
it in the elog from this weekend. To run
it, you have to run it from the scripts/MC/
  
  10053   Tue Jun 17 21:49:13 2014 JenneUpdateLSCIFO alignment recoveryPRMI locking with REFL33 is fine. 
As it was yesterday, it's a little wobbly
without the ASC (just PRM oplev), but I don't
  
  10054   Wed Jun 18 11:28:19 2014 ManasaUpdateComputer Scripts / Programsautolocker confusion

    

       
            
  
  10055   Wed Jun 18 11:57:44 2014 not JenneUpdateLSCIFO alignment recovery

    

       
            
  
  10056   Wed Jun 18 13:29:48 2014 ranaUpdateComputer Scripts / Programsautolocker confusion 
 Moral is wrong.
AutoLocker was working fine last
  
  10057   Wed Jun 18 13:39:01 2014 ranaUpdateCDScdsutils reverted to version 238 
 After some email consult with
Jamie, I got cdsutils working again by reverting
  
  10058   Wed Jun 18 15:25:06 2014 NichinUpdateElectronicsBBPD Transimepedence plot Motivation:  BBPD.pngBBPD_readings_06-18-2014.zip 
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