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  40m Log, Page 141 of 341  Not logged in ELOG logo
ID Date Author Type Category Subject Text Attachments
  10075   Thu Jun 19 17:11:52 2014 steveUpdatePEMit is warmer today The PSL HEPA was running at 30VAC-variac.
It is 1 degree C warmer than usual. The HEPA
fan motor turned up to 60 V
 warmertoday.png 
  10074   Thu Jun 19 16:49:15 2014 ranaUpdateComputer Scripts / Programsautolocker running again  We've noticed that the caget/caput
and cdsutils take a long time to return the
command prompt. The following two ping commands
  
  10073   Thu Jun 19 14:52:20 2014 not ericqUpdateComputer Scripts / Programscontrol room bashrc change

    

       
            
  
  10072   Thu Jun 19 14:41:00 2014 ManasaUpdatePSLISS disabledI would like to measure the switching time
of the AOM. So I have disconnected the modulation
input to the AOM that comes from the ISS.
  
  10071   Thu Jun 19 14:12:45 2014 steveUpdatesafetyoptical table scans 
 PSL, AP, ETMY and ETMX optical
tables were scanned for stay beam.
  
  10070   Thu Jun 19 12:10:18 2014 AkhilUpdateElectronicsGain plots to Characterize UFC-6000 RF Frequency CounterThe
goal is to characterize the Mini-Circuits
RF FC (Model UFC-6000)  by plotting
 GainVsFreq.png 
  10069   Thu Jun 19 10:39:22 2014 steveUpdatesafetysurf safety training 
 Andres Medina and Andrew "Harry"
Hall received 40m specific safety training.
 2014surfsAA.jpg 
  10068   Thu Jun 19 00:02:48 2014 JenneUpdateLSCPRMI+2 arms recoveryArms locked in comm and diff with ALS.
PRMI locked with REFL33 I&Q while arms
off resonance. Having trouble reducing CARM
  
  10067   Wed Jun 18 22:47:48 2014 ericqUpdateCDSRaspberry pi added to martian networkI set up a raspberry pi on the martian
network, to be hooked up to a frequency counter
for tracking ALS beatnotes. 
  
  10066   Wed Jun 18 22:34:44 2014 ericqUpdateIOOcaget frusrtation

    

       
            
  
  10065   Wed Jun 18 21:53:48 2014 KojiUpdateElectronicsChanges to the PD frequency response measurement system Not "hot" current but "photo"
current. Is this my bad!?
It was me who told Nichin that the
  
  10064   Wed Jun 18 21:37:11 2014 KojiUpdateIOOMC REFL investigation[Jenne Koji]
We decided to check the situation
of the REFL MC beam path.
  
  10063   Wed Jun 18 19:30:28 2014 JenneUpdateComputer Scripts / ProgramsRossa having a better dayI have modified the /etc/default/grub
file, so that we're loading up
  
  10062   Wed Jun 18 18:16:26 2014 NichinUpdateElectronicsChanges to the PD frequency response measurement system [Nichin,
Eric G, Koji]
Continuing
  
  10061   Wed Jun 18 18:00:36 2014 ericqUpdateComputer Scripts / Programscontrol room bashrc changeSome time ago, Rana changed the PS1 prompt
codes on the control room computers. However,
the exit codes of commands weren't being
  
  10060   Wed Jun 18 17:38:14 2014 JenneUpdateComputer Scripts / Programsautolocker running againThe MC autolocker is once again running
on Ottavia, with the nohup command.  
It was hanging for a long time (at
  
  10059   Wed Jun 18 16:44:55 2014 ManasaUpdateElectronicsBBPD installed for BEATX detectionThis BBPD is the spare that we pulled out
and is installed for ALSX-PSL beat note detection.
  
  10058   Wed Jun 18 15:25:06 2014 NichinUpdateElectronicsBBPD Transimepedence plot Motivation:  BBPD.pngBBPD_readings_06-18-2014.zip 
  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
  
  10056   Wed Jun 18 13:29:48 2014 ranaUpdateComputer Scripts / Programsautolocker confusion 
 Moral is wrong.
AutoLocker was working fine last
  
  10055   Wed Jun 18 11:57:44 2014 not JenneUpdateLSCIFO alignment recovery

    

       
            
  
  10054   Wed Jun 18 11:28:19 2014 ManasaUpdateComputer Scripts / Programsautolocker confusion

    

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

    

       
            
  
  10049   Tue Jun 17 16:52:40 2014 ericqUpdateComputer Scripts / Programsautolocker confusion

    

       
            
  
  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 
  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 
  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
  
  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
  
  10043   Mon Jun 16 15:32:12 2014 ranaSummaryIOORingdown recap  
To do this better:
1) Just step the analog input
  
  10042   Mon Jun 16 12:58:50 2014 manasaSummaryIOORingdown recap A recap of the ringdown measurements made
at the 40m in mid 2012, the hardware that
was installed for the same and results from
 Ringdown_815.pdfMCringdown_cum.pdfcum_plot.png 
  10041   Sun Jun 15 14:41:08 2014 JamieOmnistructureCDScdsutils re-installed

    

       
            
  
  10040   Sun Jun 15 14:26:30 2014 JamieOmnistructureCDScdsutils re-installed

    

       
            
  
  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,
  
  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.
  
  10037   Fri Jun 13 18:16:00 2014 NichinUpdateElectronicsChanges to the PD frequency response measurement system



  
  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 
  10035   Fri Jun 13 09:20:37 2014 SteveUpdateSUSrestored damping at PRM and ETMYETMX medm screen values are blank.   
  10034   Thu Jun 12 16:56:31 2014 NichinUpdateElectronicsPD Inspection






Normal
0
 Inspection_PD_Freq_Resonse_system_12th_June_2014.pdf 
  10033   Thu Jun 12 15:31:47 2014 JamieUpdateCDSNote on cables for talking to slow computers

    

       
            
  
  10032   Thu Jun 12 12:30:50 2014 denFrogsGeneralWorld Cup Soccer 2014

    

       
            
 world-cup-2014-mascots.jpg 
  10031   Thu Jun 12 11:03:11 2014 KojiFrogsGeneralWorld Cup Soccer 2014   world_cup.jpg 
  10030   Thu Jun 12 10:41:58 2014 SteveUpdatePSLPMC-T trend of 4 years

    

       
            
 4yTrend2Winno.png 
  10029   Wed Jun 11 20:09:37 2014 ZachConfigurationWikiDokuWiki situationI have been looking into the DokuWiki
situation, with no great progress so far.
The problem is with authentication.
  
  10028   Wed Jun 11 16:01:31 2014 SteveUpdateCDSc1Vac1 and c1vac2 rebooted

    

       
            
 beforeReboot.png 
  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 
  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
  
  10025   Wed Jun 11 14:36:57 2014 JenneUpdateCDSSLOW controls recovery 
 I have brought back c1auxex
and c1auxey.  Hopefully this elog
  
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