| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8962
|
Fri Aug 2 22:51:10 2013 |
Jenne | Update | General | All vent tasks complete, just need oplev check | [Manasa, Koji, Jenne]
We went into the BS and IOO chambers,
and aligned the green beams such that they |
|
|
15578
|
Wed Sep 16 17:44:27 2020 |
gautam | Update | CDS | All vertex FE models restarted | I had to make a CDS change to the c1lsc
model in an effort to get a few more signals
into the models. Rather than risk requiring |
|
|
14591
|
Fri May 3 09:12:31 2019 |
gautam | Update | SUS | All vertex SUS watchdogs were tripped | I found the 8 vertex watchdogs tripped
today morning. The ETMs were fine, suggesting
this was not an actual earthquake. I suspect |
|
|
14596
|
Mon May 6 11:05:23 2019 |
Jon | Update | SUS | All vertex SUS watchdogs were tripped | Yes, this was a consequence of the systemd
scripting I was setting up. Unlike the old
susaux system, we decided for safety NOT |
|
|
305
|
Sat Feb 9 13:32:07 2008 |
John | Summary | SUS | All watchdogs tripped | When I arrived this afternoon the watchdogs
had tripped on all optics. I reset them and
enabled the coil currents.
|
|
|
306
|
Sun Feb 10 20:47:01 2008 |
Alan | Summary | SUS | All watchdogs tripped | A moderate earthquake occurred at 11:12:06
PM (PST) on Friday, February 8, 2008.
The magnitude 5.1 event occurred 21 km (13 |
|
|
15373
|
Wed Jun 3 19:19:11 2020 |
gautam | Update | SUS | All watchdogs tripped | This
EQ seems to have knocked all suspensions
out. ITMX was stuck. It is now released, |
|
|
2467
|
Wed Dec 30 10:58:48 2009 |
Alberto | Update | General | All watchdogs tripped this morning | This morning I found all the watchdogs
had tripped during the night.
I restored them all. |
|
|
2468
|
Wed Dec 30 18:01:03 2009 |
Alberto, Rana | Update | General | All watchdogs tripped this morning |
|
|
|
15155
|
Sun Jan 26 13:30:19 2020 |
gautam | Update | SUS | All watchdogs tripped, now restored | Looks like a M=4.6
earthquate in Barstow,CA tripped all
the suspensions. ITMX got stuck. I restored |
|
|
15335
|
Fri May 15 19:10:42 2020 |
gautam | Update | SUS | All watchdogs tripped, now restored | This
EQ in Nevada seems to have tripped all watchdogs.
ITMX was stuck. It was released, and all |
|
|
1294
|
Wed Feb 11 15:01:47 2009 |
josephb | Configuration | Computers | Allegra | So after having broke Allegra by updating
the kernel, I was able to get it running
again by copying the xorg.conf.backup file |
|
|
2509
|
Tue Jan 12 11:34:26 2010 |
josephb | Update | PEM | Allegra dataviewer |
|
|
|
3017
|
Sun May 30 17:51:04 2010 |
kiwamu | HowTo | PEM | Allegra dataviewer | I found the dataviewer didn't work only
on Allegra. This thing sometimes happened
as described in |
|
|
15246
|
Wed Mar 4 11:10:47 2020 |
Yehonathan | Update | Computers | Allegra revival | Allegra had no network cable and no mouse.
We found Allegra'snetwork cable (black)
and connected it. |
|
|
5778
|
Tue Nov 1 18:45:48 2011 |
Jenne | Update | Computers | Allegra's screens | I was trying to give Allegra a second head,
and it didn't quite work. It's still
in progress. Steve, you might not like |
|
|
14425
|
Fri Feb 1 01:24:06 2019 |
gautam | Update | SUS | Almost ready for pumpdown tomorrow | [koji, chub, jon, rana, gautam]
Full story tomorrow, but we went
through most of the required pre close-up |
|
|
17116
|
Wed Aug 31 01:22:01 2022 |
Koji | Update | General | Along the X arm part 1 |
Attachment 5:
RF delay line was accommodated in 1X3B. (KA) |
9x |
|
17129
|
Fri Sep 2 15:30:10 2022 |
Anchal | Update | General | Along the X arm part 1 | [Anchal, Radhika]
Attachment 2: The custom
cables which were part of the intermediate |
|
|
17117
|
Wed Aug 31 01:24:48 2022 |
Koji | Update | General | Along the X arm part 2 |
|
9x |
|
17118
|
Wed Aug 31 01:25:37 2022 |
Koji | Update | General | Along the X arm part 3 |
|
9x |
|
17119
|
Wed Aug 31 01:30:53 2022 |
Koji | Update | General | Along the X arm part 4 | Behind the X arm tube |
|
|
17120
|
Wed Aug 31 01:53:39 2022 |
Koji | Update | General | Along the Y arm part 1 |
|
9x |
|
17121
|
Wed Aug 31 01:54:45 2022 |
Koji | Update | General | Along the Y arm part 2 | |
8x |
|
17130
|
Fri Sep 2 15:35:19 2022 |
Anchal | Update | General | Along the Y arm part 2 | [Anchal, Radhika]
The cables in USPS open box were
important cables that are part of the new |
|
|
6373
|
Wed Mar 7 13:59:07 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | In order to install the necessary extensions
to epics to make the aLIGO conlog work, I
have edited one file in the base epics install |
|
|
6377
|
Wed Mar 7 18:00:39 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: |
|
|
|
6387
|
Thu Mar 8 17:18:19 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | I have the aLIGO Conlog 'working' at http://192.168.113.209/conlog/conlog.php
|
|
|
6391
|
Fri Mar 9 11:02:56 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | [H1]Too Many Fast Changing EPICS in New Conlog[/H1]
I have been monitoring the new conlog, and
it already has far too many rows.
|
|
|
6394
|
Fri Mar 9 15:48:56 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | [SIZE=1]
I decided to make a backup of the database
and then delete it and make a new database:
|
|
|
6396
|
Fri Mar 9 16:28:10 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | I created a page on the wiki for the new EPICS
log (conlog):
https://wiki-40m.ligo.caltech.edu/aLIGO%20EPICs%20log%20%28conlog%29
|
|
|
7001
|
Mon Jul 23 07:39:55 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | Note: The Conlog install instructions that
I started from were located here:
https://awiki.ligo-wa.caltech.edu/aLIGO/Conlog |
|
|
8185
|
Wed Feb 27 14:59:01 2013 |
Evan | Update | | Altered MC demodulation phase | I took out a short (~12 cm) SMA cable
from the "LO input" path into the
MC demod board in an attempt to maximize |
|
|
14544
|
Mon Apr 15 22:39:10 2019 |
gautam | Update | Frequency noise measurement | Alternate setup with PSL pickoff | [anjali, gautam]
just main points, anajli is going
to fill out the details. |
|
|
12834
|
Thu Feb 16 13:29:38 2017 |
gautam | Summary | General | Alternative Calibration Scheme | Summary:
Craig and I have been trying to
put together a Simulink diagram of the proposed |
|
|
12835
|
Thu Feb 16 21:55:47 2017 |
rana | Summary | General | Alternative Calibration Scheme | Question for Craig: What does the SNR of
our lines have to be? IF we're only trying
to calibrate the actuator in the audio band |
|
|
12842
|
Tue Feb 21 13:51:35 2017 |
Craig | Summary | General | Alternative Calibration Scheme | We get SNR in two ways: the amplitude of
applied force and the integration time.
So we are limited in two ways: stability |
|
|
12845
|
Wed Feb 22 10:16:54 2017 |
rana | Summary | General | Alternative Calibration Scheme | OK, but the questions still stands: " |
|
|
11981
|
Mon Feb 8 15:36:37 2016 |
gautam | Update | Green Locking | Alternative mode-matching scheme | I looked in the optics cabinet to see what
lenses we have available, and re-ran the
mode-matching calculation to see if we could |
|
|
3981
|
Tue Nov 23 22:45:59 2010 |
kiwamu | Update | Computers | Altium | I installed
and activated Altium, a PCB design software, |
|
|
1476
|
Sun Apr 12 19:31:43 2009 |
rana | Summary | Electronics | Amphony 2500 Headphones | We bought the Amphony 2500 Digital Wireless
headphones recently. The other cheapo headphones
we have are OK for control room use, but |
|
|
14482
|
Sun Mar 17 21:06:17 2019 |
Anjali | Update | ALS | Amplifier characterisation | The goal was to characterise the new amplifier
(AP1053). For a practice, I did the characterisation
of the old amplifier.This test is similar |
|
|
9991
|
Sat May 24 22:56:57 2014 |
Jenne | Update | Electronics | Amplifier removed from BeatX path | I just realized that I forgot to elog this,
but yesterday afternoon I bypassed the amplifier
in the BeatX path, and now the X beatnote |
|
|
9992
|
Mon May 26 07:59:23 2014 |
Koji | Update | Electronics | Amplifier removed from BeatX path | And the out-of-loop level of the ALSX compared
with the previous measurement is ...?
|
|
|
9995
|
Tue May 27 11:58:45 2014 |
Jenne | Update | Electronics | Amplifier removed from BeatX path | Sorry, 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 |
|
|
5156
|
Tue Aug 9 16:00:58 2011 |
Jenny | Update | PSL | Amplitude response of PZT | |
|
|
15457
|
Mon Jul 6 17:41:19 2020 |
gautam | Update | LSC | An LSC puzzler | Last Tuesday evening, while attempting
the PRFPMI locking, I noticed a strange feature
in the LSC signals, which is shown in |
|
|
10093
|
Tue Jun 24 16:52:43 2014 |
Nichin | Update | Electronics | An RF cable re-installed |
|
|
|
10667
|
Tue Nov 4 19:17:53 2014 |
ericq | Update | Computer Scripts / Programs | Anaconda + CDSutils | I've fallen down the rabbit hole of trying
to reconcile our desire for newer versions
of the Numpy and Scipy python packages with |
|
|
10688
|
Sat Nov 8 11:31:51 2014 |
rana | Update | Computer Scripts / Programs | Anaconda + CDSutils |
|
|