| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12721
|
Mon Jan 16 12:49:06 2017 |
rana | Configuration | Computers | Megatron update | The "apt-get update" was failing
on some machines because it couldn't
find the 'Debian squeeze' repos, |
|
|
12724
|
Mon Jan 16 22:03:30 2017 |
jamie | Configuration | Computers | Megatron update |
|
|
|
2539
|
Thu Jan 21 15:16:16 2010 |
josephb, koji | Summary | Computers | Megatron used to lock Y arm | We
succeeded in having a stable single arm (Y)
lock using Megatron to replace c1iscey.
Now |
|
|
2197
|
Fri Nov 6 18:13:34 2009 |
josephb | Update | Computers | Megatron woes | I have removed the RFM card from Megatron
and left it (along with all the other cables
and electronics) on the trolly in front of |
|
|
2183
|
Thu Nov 5 16:41:14 2009 |
josephb | Configuration | Computers | Megatron's personal network | In investigating why megatron wouldn't
talk to the network, I re-discovered the
fact that it had been placed on its own private |
|
|
15085
|
Sun Dec 8 20:48:29 2019 |
rana | Configuration | Computers | Megatron: starts up grade | I noticed recently that Megatron was running
Ubuntu 12, so I've started
its OS upgrade. |
|
|
15095
|
Wed Dec 11 22:01:24 2019 |
rana | Configuration | Computers | Megatron: starts up grade | Megatron is now running Ubuntu 18.04
LTS.
We should probably be able to load |
|
|
15142
|
Wed Jan 22 19:17:20 2020 |
gautam | Configuration | Computers | Megatron: starts up grade | upgrade was done
cronjob testing wasn't one
by one 😢 |
|
|
15145
|
Thu Jan 23 15:32:42 2020 |
gautam | Configuration | Computers | Megatron: starts up grade | The burt snapshotting is still not so reliable
- for whatever reason, the number of snapshot
files that actually get written looks random. |
|
|
11169
|
Wed Mar 25 03:31:18 2015 |
Jenne | Update | LSC | Meh | [Jenne, Den]
Overall a "meh" night
for locking I think. The script to |
|
|
11170
|
Wed Mar 25 08:29:31 2015 |
Steve | Update | LSC | Meh | I turned on the HEPA at the south
end during the LSC. Sorry I ment to turn
it off. |
|
|
16337
|
Thu Sep 16 10:07:25 2021 |
Anchal | Update | General | Melting 2 | Put outside.
|
|
|
2514
|
Thu Jan 14 11:44:06 2010 |
josephb | Summary | Computers | Memory locations for TST model for ITMY | The main communications data structure
is RFM_FE_COMMS, from the rts/src/include/iscNetDsc40m.h
file. The following comments regard |
|
|
17442
|
Thu Feb 2 13:21:39 2023 |
Radhika | Update | General | Mephisto laser interlock | Today while aligning optics at the xend,
my knee engaged the AUX laser interlock.
I spent some time trying to disable the interlock, |
|
|
11129
|
Tue Mar 10 19:59:13 2015 |
Koji | Frogs | Cameras | Message from the IFO | |
|
|
15768
|
Fri Jan 15 17:04:45 2021 |
gautam | Update | LSC | Messed up LSC sensing | I want to lock the PRFPMI again (to commission
AS WFS). Have had some
success - but in doing characterization, |
|
|
7141
|
Fri Aug 10 11:00:52 2012 |
Sasha | Update | Simulations | Messing with ETMX | I've been trying to get the simPlant model
to work, and my main method of testing is
switching between the real ETMX and the simulated |
|
|
15176
|
Thu Jan 30 12:52:10 2020 |
Jon | Update | BHD | Metal OMCs procured | Last night Yehonathan and I located the
two steel PMCs in the QIL, with help from
Anchal. They are currently sitting on my |
|
|
15182
|
Fri Jan 31 16:57:09 2020 |
gautam | Update | General | Metal PMC parts | Jon brought over a box of parts for constructing
the metal PMCs. I have stored it along the
Y-arm, on top of the green optics cabinet. |
|
|
15198
|
Fri Feb 7 12:58:25 2020 |
Yehonathan | Update | General | Metal PMC parts | I took the metal PMC box and examined its
content and find the following items:
|
18x |
|
12356
|
Fri Jul 29 19:37:43 2016 |
Praful | Update | Electronics | Mic Amplifier | I set up a test inverting amplifier circuit
using the LT1677 opamp:
|
7x |
|
12369
|
Wed Aug 3 18:53:46 2016 |
Praful | Update | Electronics | Mic Amplifier | I could not get Den's circuit to work
for some reason with microphone input, so
I decided to try to use another circuit I |
|
|
12380
|
Fri Aug 5 16:25:08 2016 |
Praful | Update | Electronics | Mic Amplifier | I took the spectrum of an EM172 connected
to my amplifier inside and outside a large
box filled with foam layers: |
|
|
12395
|
Wed Aug 10 18:10:26 2016 |
Praful | Update | Electronics | Mic Amplifier | I set up 3 of my circuits in the interferometer
near MC2 to do a huddle test. I have the
signals from my microphones going into C1:PEM-MIC_1_IN1, |
|
|
12396
|
Wed Aug 10 19:37:08 2016 |
gautam | Update | Electronics | Mic Amplifier | In order to help Praful do his huddle test,
I have temporarily arranged
for the outputs of the 3 channels he wants |
|
|
12402
|
Thu Aug 11 17:30:05 2016 |
Praful | Update | Electronics | Mic Amplifier | The results of my first huddle test were
not so good- one of the signals did not match
the other two very well- so I changed the |
|
|
12405
|
Fri Aug 12 19:13:25 2016 |
Praful | Update | Electronics | Mic Self Noise | I used the Wiener filtering method described
by Ignacio and Jessica (https://dcc.ligo.org/DocDB/0119/T1500195/002/SURF_Final.pdf
and https://dcc.ligo.org/public/0119/T1500194/001/Final_Report.pdf) |
8x |
|
12406
|
Fri Aug 12 21:26:28 2016 |
rana | Update | PEM | Mic Self Noise | Seems to good to be true. Maybe you're
over fitting? Please put all the traces on
one plot and let us know how you do the parameter |
|
|
12408
|
Mon Aug 15 12:23:56 2016 |
Praful | Update | PEM | Mic Self Noise | I didn't have a separate training set
and data set, so I think that's why the
graphs came out looking too good. The units |
9x |
|
7145
|
Fri Aug 10 16:39:44 2012 |
Eric | Summary | Locking | Michelson Locking | I'm working on locking the Michelson now
in order to put an excitation on one of the |
|
|
7149
|
Fri Aug 10 19:49:11 2012 |
Eric | Summary | Locking | Michelson Locking Procedure and Measurements |
|
|
|
4527
|
Fri Apr 15 02:17:18 2011 |
kiwamu | Update | LSC | Michelson locked | [Koji / Kiwamu]
The |
|
|
9603
|
Wed Feb 5 18:36:56 2014 |
rana | Frogs | elog | MicroSoft BingBot is attacking us | The ELOG was frozen, with this in
the .log file:
GET /40m/?id=1279&select=1&rsort=Type |
|
|
10309
|
Thu Jul 31 18:54:03 2014 |
Chris | Frogs | elog | MicroSoft BingBot is attacking us |
|
|
|
10311
|
Thu Jul 31 21:21:49 2014 |
Koji | Frogs | elog | MicroSoft BingBot is attacking us | Oh,
this is cool! Thanks!
I could not figure out how to place |
|
|
12436
|
Wed Aug 24 14:11:09 2016 |
Praful | Update | Electronics | Microphone Testing | I added an EM172 to my soldered circuit
and it seems to be working so far. I have
taken a spectra using the EM172 in ambient |
|
|
7633
|
Fri Oct 26 18:25:02 2012 |
Ayaka | Update | Adaptive Filtering | Microphone noise again | [Raji, Ayaka]
Thanks to Den, power supplies for
microphone circuit are changed. |
|
|
7634
|
Fri Oct 26 19:06:14 2012 |
Den | Update | Adaptive Filtering | Microphone noise again |
|
|
|
7636
|
Mon Oct 29 08:41:22 2012 |
Ayaka | Update | Adaptive Filtering | Microphone noise again |
|
|
|
448
|
Fri Apr 25 13:20:04 2008 |
Andrey | Update | PEM | Microphone test | In response to Rana's request, I tested the
microphone (if it is alive or not) by clapping
my hands and speaking aloud nearby.
|
|
|
4853
|
Wed Jun 22 12:24:44 2011 |
Nicole | Summary | SUS | Midweek 2 Work Summary | I
have made my transfer function model |
|
|
1808
|
Wed Jul 29 14:56:44 2009 |
Jenne | Update | PEM | MiniEarthquakes due to construction | The construction people next door seem
to be getting pretty excited about pounding
things lately. At my desk the floor |
|
|
9010
|
Tue Aug 13 22:21:12 2013 |
Koji | Summary | General | Minicircuit Filter TFs (AG4395A test) | As a part of the network analyzer test
in the previous entry, the transfer functions
of Mini-Circuits filters we have at the 40m |
|
|
8161
|
Mon Feb 25 20:49:07 2013 |
Brett | Update | SUS | Minor Mod made to SUS_GLOBAL block | I made a minor modification to install
some output filters in the new global damping
GLOBAL box in c1sus.mdl. These will be needed |
|
|
11385
|
Tue Jun 30 20:26:24 2015 |
Eve | Update | General | Minor Summary Page Changes | I made several small, nit-picky changes
to the summary pages.
|
|
|
1984
|
Fri Sep 11 17:07:45 2009 |
Jenne | Update | Adaptive Filtering | Minor changes to ASS_TOP_PEM screen. | There was some uncertainty as to which
channels were being input into the Adaptive
Filtering screen, so I checked it out to |
|
|
2628
|
Mon Feb 22 13:08:27 2010 |
josephb | Update | Computers | Minor tweaks to c1omc | While working on c1omc, I created a .cshrc
file in the controls home directory, and
had it source the cshrc.40m file so that |
|
|
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, |
|
|
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 |
|
|
12779
|
Tue Jan 31 20:25:26 2017 |
ericq | Summary | CDS | Minute Trend Koan |
|
|