| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12799
|
Sat Feb 4 12:29:20 2017 |
jamie | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 | No, not confused on that point. We just
will not be testing OS versions at the 40m
or running multiple OS's on our workstations. |
|
|
12798
|
Sat Feb 4 12:20:39 2017 |
jamie | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 |
|
|
|
12797
|
Sat Feb 4 12:00:59 2017 |
rana | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 | True - its an issue. Koji and I are updating
zita into Ubuntu16 LTS. If it looks like
its OK with various tools we'll swap |
|
|
12796
|
Fri Feb 3 11:40:34 2017 |
ericq | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 | I was able to bring back svn 1.6 formatting
to /cvs/cds/caltech/chans by doing the following
on nodus: |
|
|
12795
|
Fri Feb 3 11:40:09 2017 |
rana | Update | IMC | MCL Feedback - framing the problem | In working on automatic DARM loop design,
we have this code:
https://git.ligo.org/rana-adhikari/ModernControls/tree/master/OptimalFeedback/GlobalCost |
|
|
12794
|
Fri Feb 3 11:03:06 2017 |
jamie | Update | CDS | more testing fb1; DAQ DOWN DURING TEST | More testing of fb1 today. DAQ DOWN
UNTIL FURTHER NOTICE.
Testing Wednesday did not resolve |
|
|
12793
|
Fri Feb 3 00:36:52 2017 |
gautam | Update | IMC | MCL Feedback - framing the problem | Rana
motivated me to take a step back and reframe
the objectives and approach for this project, |
|
|
12792
|
Thu Feb 2 18:32:51 2017 |
rana | Summary | PSL | PMC alignment | Re-aligned the beam going into the PMC
today around 5 PM. I noticed that its all
in pitch and since I moved both of the mirrors |
|
|
12791
|
Thu Feb 2 18:28:29 2017 |
rana | Summary | CDS | Minute Trend Koan | and the song remains the same...
the version of SVN on these workstations
is ahead of the one on the other workstations |
|
|
12790
|
Thu Feb 2 17:43:20 2017 |
gautam | Update | PEM | EM172 mic is hooked up in the PSL | I had noticed something wonky with the
microphone, but neglected to elog it. I had
tested it after installation by playing a |
|
|
12789
|
Thu Feb 2 17:34:25 2017 |
rana | Update | PEM | EM172 mic is hooked up in the PSL | I don't know if anyone looked at the
time series (not trend) or spectrum of the
Microphone after installation, but it looks |
|
|
12788
|
Thu Feb 2 12:17:48 2017 |
Steve | Update | General | USB microscope | This
AmScope microscope would have 3.5x-180x
magnification, calibratable measurement function, |
|
|
12787
|
Thu Feb 2 11:25:45 2017 |
Max Isi | Update | Summary Pages | Cluster maintenance | FYI this issue has still not been solved,
but the pages are working because I got the
software running on an
|
|
|
12786
|
Wed Feb 1 23:13:30 2017 |
Lydia | Update | IMC | RF AM stabilizer box Modification Plan | I made some of the changes. Gautam and
I will finish tomorrow.
While I was soldering the sharpest |
|
|
12785
|
Wed Feb 1 20:49:34 2017 |
rana | Update | IMC | RF AM stabilizer box Modification Plan | I suggest:
Disable the path which
goes to the two spare outputs. Replace the |
|
|
12784
|
Wed Feb 1 16:45:56 2017 |
Lydia | Update | IMC | RF AM stabilizer box Modification Plan | Here's what I'm planning to do
to the RF AM stabilizer box. I'm
going to take out several of the components |
|
|
12783
|
Wed Feb 1 11:51:19 2017 |
Koji | Update | IMC | RF AM stabilization box pulled out | For a comparison: OMC
ELOG 238 |
|
|
12782
|
Tue Jan 31 22:28:39 2017 |
Lydia | Update | IMC | RF AM stabilization box pulled out | [rana, gautam, lydia]
Today we looked at the schematics
for the RF AM stabilizer box and decided |
|
|
12781
|
Tue Jan 31 22:15:02 2017 |
Johannes | Update | CDS | vme crate backplane adapter boards | I made a crude sketch for how Lydia and
I envision the connector situation on the
back of the vme crates to be solved. Essentially |
|
|
12780
|
Tue Jan 31 22:07:13 2017 |
gautam | Update | IMC | RF AM stabilization box revamp | I've added the schematic of the RF
AM stabilization board to the 40m
PSL document tree, after having created |
|
|
12779
|
Tue Jan 31 20:25:26 2017 |
ericq | Summary | CDS | Minute Trend Koan |
|
|
|
12778
|
Tue Jan 31 18:51:07 2017 |
gautam | Update | SEI | Seismic Rainbow Strip - myths debunked | I've been suggesting that there may
be something wonky with the Seismic Rainbow
Striptool on the wall for the last couple |
|
|
12777
|
Tue Jan 31 17:28:36 2017 |
rana | Summary | CDS | Minute Trend Koan | Someone installed "Debian" on
allegra. Why? Dataviewer doesn't work
on there. Is there some advantage to making |
|
|
12776
|
Tue Jan 31 15:08:13 2017 |
ericq | Metaphysics | CDS | Minute Trend Koan | A novice was learning at the feet of Master
Daqd. At the end of the lesson he looked
through his notes and said, “Master, |
|
|
12775
|
Tue Jan 31 14:17:48 2017 |
gautam | Update | IMC | RF AM stabilization box pulled out | > What
is the probe situation? Ought to use a high
impedance FET probe to measure this or else |
|
|
12774
|
Tue Jan 31 14:14:29 2017 |
rana | Update | VAC | Pressure watch script | I think this cron job is running on NODUS
(our gateway) instead of our scripts machine:
p.p1 {margin: |
|
|
12773
|
Tue Jan 31 13:46:34 2017 |
rana | Update | IMC | RF AM stabilization box pulled out |
What is the probe situation? Ought
to use a high impedance FET probe to measure
this or else the scope would load the circuit.
The |
|
|
12772
|
Tue Jan 31 01:07:20 2017 |
Lydia | Update | IMC | RF AM stabilization box pulled out | [gautam, Lydia]
We looked at the RF AM stabilizer
box to see if we could find out 1) Why the |
|
|
12771
|
Mon Jan 30 19:07:48 2017 |
gautam | Update | IMC | RF AM stabilization box pulled out | [johannes, gautam]
We pulled out the RF AM stabilization
box from the 1X2 rack. PSL shutter was closed, |
|
|
12770
|
Mon Jan 30 18:41:41 2017 |
jamie | Update | CDS | TEST ABORTED of new daqd code on fb1 | I just aborted the fb1 test and reverted
everything to the nominal configuration.
Everything looks to be operating nominally. |
|
|
12769
|
Sat Jan 28 12:05:57 2017 |
jamie | Update | CDS | test of new daqd code on fb1 |
|
|
|
12768
|
Sat Jan 28 01:25:51 2017 |
gautam | Update | IMC | 29.5 MHz modulation depth | Some more details of our investigation:
Here is a spectrum of the
signal to the power combiner on the PSL table, |
|
|
12767
|
Fri Jan 27 21:25:11 2017 |
Lydia | Update | IMC | 29.5 MHz modulation depth | [gautam, Lydia]
We set out to measure the 29.5
MHz power going to the EOM today but decided |
|
|
12766
|
Fri Jan 27 21:21:35 2017 |
gautam | Update | CDS | c1pem revamped | The coil and PD BLRMS are useful tools
in identifying when glitches occur in the
PD readout, I thought it would be good |
|
|
12765
|
Fri Jan 27 20:52:36 2017 |
gautam | Update | CDS | test of new daqd code on fb1 | I'm not sure if this is related, but
since today morning, I've noticed that
the data concentrator errors have returned. |
|
|
12764
|
Fri Jan 27 19:40:03 2017 |
rana | Metaphysics | elog | word wrapping & large images | "Why does the word wrapping not work
in our browsers with ELOG?" I sometimes
wonder. Some of the elogs are fine, but often |
|
|
12763
|
Fri Jan 27 17:49:41 2017 |
jamie | Update | CDS | test of new daqd code on fb1 | Just FYI I'm running a test of updated
daqd code on fb1.
fb1 has it's own fiber to the |
|
|
12762
|
Fri Jan 27 17:07:52 2017 |
Lydia | Update | CDS | slow machine bootfest | Rebooted c1iscaux,
c1auxex and c1auxey which were all
not reponding to telnet. The watchdogs for |
|
|
12761
|
Fri Jan 27 15:36:17 2017 |
Koji | Update | SUS | wire standoffs update | Very nice! I got excited.
Don't you ask Calum
and co to check the groove size with their |
|
|
12760
|
Fri Jan 27 14:50:04 2017 |
Steve | Update | SUS | wire standoffs update | The 3 pieces of Sapphire
v-groove test cuts are back. They look
good. The suspension wire 0.0017" ( |
|
|
12759
|
Fri Jan 27 00:14:02 2017 |
gautam | Summary | IOO | IMC WFS RF power levels | It was raised at the Wednesday meeting
that I did not check the RF pickup levels
while measuring the RF error signal levels |
|
|
12758
|
Wed Jan 25 19:39:07 2017 |
gautam | Update | IMC | 29.5 MHz modulation depth measurement plan | Just collecting some links from my elog
searching today here for easy reference later.
EOM datasheet: Newfocus |
|
|
12757
|
Wed Jan 25 18:18:08 2017 |
Koji | Summary | IOO | MCL / MCF / Calibration | jiSome notes on the FSS configuration:
ELOG
10321 |
|
|
12756
|
Wed Jan 25 17:30:03 2017 |
Koji | Update | IMC | 29.5 MHz modulation depth measurement plan | I'm afraid that the bidirectional coupler,
designed to be 50ohm in/out, disturbs the
resonant circuit designed for the EOM which |
|
|
12755
|
Wed Jan 25 15:41:29 2017 |
Lydia | Update | IMC | 29.5 MHz modulation depth measurement plan | [Lydia, gautam]
To measure the modulation depth
of the 29.5 MHz sideband, we plan to connect |
|
|
12754
|
Wed Jan 25 14:30:20 2017 |
gautam | Update | CDS | slow machine bootfest | [gautam, lydia]
We rebooted c1psl, |
|
|
12753
|
Wed Jan 25 10:46:58 2017 |
steve | Summary | SUS | oplev laser summary updated |
Oct. 5, 2015
ETMY He/Ne |
|
|
12752
|
Wed Jan 25 09:00:39 2017 |
Max Isi | Update | Summary Pages | Cluster maintenance | LDAS has not recovered from maintenance causing
the pages to remain unavailable until further
notice.
|
|
|
12751
|
Wed Jan 25 01:27:45 2017 |
gautam | Update | IMC | IMC feedforward checkup | This is probably just a confirmation of
something we discussed a couple of weeks
back, but I wanted to get more familiar with |
|
|
12750
|
Tue Jan 24 17:52:15 2017 |
Craig | Update | Optical Levers | ETMY Oplev HeNe is replaced | Steve, Craig, Gautam
Today Steve replaced the ETMY He/Ne
sr P919645 OpLev laser with sr P947049 and |
6x |