| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12183
|
Wed Jun 15 11:21:51 2016 |
jamie | Update | CDS | still work to do to transition to new configuration/code | Just to be clear, there's still quite
a bit of work to fully transition the 40m
to this new system/configuration. Once |
|
|
4789
|
Mon Jun 6 17:28:31 2011 |
steve | Update | Computers | still, no PEM channels |
|
|
|
5361
|
Wed Sep 7 18:19:37 2011 |
steve | HowTo | VAC | stop pump down for overnight |
|
|
|
3854
|
Wed Nov 3 16:49:31 2010 |
steve | Update | General | storage cabinet is in place | The south end of IFO room 104 was reshuffled.
The flow bench was moved all the way to the
south end to create more room for the crane |
|
|
6045
|
Tue Nov 29 22:19:26 2011 |
Den | Update | digital noise | straight line | I tried to understand what part of
the signal is corrupted while passing through
a digital straight line without any filters. |
|
|
4728
|
Mon May 16 17:11:28 2011 |
steve | Update | Electronics | strain relieved 1X1 | 1X1 is strain relieved in the back. I will
use similar approach on the rest of the racks
. |
|
|
4475
|
Thu Mar 31 11:30:51 2011 |
steve | Configuration | General | strain relieved rf cables | I strain relieved RF cables labeled 33
MHZ LO and 166 MHZ to EOM at 1X2 This
is a temporary setup for the 11 MHZ |
|
|
4036
|
Thu Dec 9 12:24:46 2010 |
kiwamu | Update | SUS | strange ETMX suspension | [Koji, Osamu and Kiwamu]
We
found that the ETMX free swinging spectra |
|
|
658
|
Fri Jul 11 00:30:24 2008 |
rob | Metaphysics | Computers | strange SUS controllers |
[I]rob, johnnie[B]M[/B][/I]
|
|
|
11815
|
Wed Nov 25 23:17:34 2015 |
yutaro | Update | LSC | strange behavior of ASDC | [yutaro, Koji]
I noticed that ASDC level changes
depending on the angle of ITMY when trying |
|
|
11827
|
Mon Nov 30 16:33:06 2015 |
ericq | Update | LSC | strange behavior of ASDC | One possible explanation of this behavior is
simply poor centering of the AS beam
on AS55 (whose DC level provides ASDC, if |
|
|
11829
|
Mon Nov 30 18:27:30 2015 |
Koji | Update | LSC | strange behavior of ASDC | It wasn't fully mentioned in ELOG
11814.
We checked the PD first and this behavior |
|
|
11870
|
Thu Dec 10 12:33:04 2015 |
yutaro | Update | LSC | strange behavior of ASDC | I did additional tests for the strange
behavior of ASCD. ETMY, ETMX and ITMY were
misaligned so that only light reflected by |
|
|
11871
|
Thu Dec 10 19:53:22 2015 |
yutaro | Update | LSC | strange behavior of ASDC | To check if the strange behavior of ASDC
is caused by SR2/SR3 or not, I did the following
measurement: |
|
|
13132
|
Sun Jul 23 15:00:28 2017 |
Jamie | Omnistructure | VAC | strange sound around X arm vacuum pumps | While walking down to the X end to reset
c1iscex I heard what I would call a "rythmic
squnching" sound coming from under the |
|
|
6184
|
Tue Jan 10 09:17:23 2012 |
steve | Update | Photos | strawman's visiters | |
|
|
2650
|
Tue Mar 2 12:20:54 2010 |
kiwamu | Update | PSL | stray beam | In order to block stray beams, I have
put some beam dumps and razor blades on the
PSL table. |
|
|
6698
|
Tue May 29 00:48:51 2012 |
Den | Update | PEM | sts readout box | STS readout box seems to be partly broken.
I've terminated inputs from the seismometer
and measured the output. I could not do this |
|
|
6427
|
Sun Mar 18 00:29:24 2012 |
Den | Update | PEM | sts-2 | I've turned off the power of the STS-2
readout box as it provides outputs with ~10
Volts DC offset! AA filter box works in the |
|
|
6747
|
Sun Jun 3 01:30:07 2012 |
Den | Update | PEM | sts-2 and guralp in isolation box | We have 2 sts-2 readout box - pink and
blue. Pink outputs 12 DVC - this a problem
of amplifier. This box has a rectifier (the |
|
|
6818
|
Thu Jun 14 21:37:37 2012 |
yuta | Update | Green Locking | succeeded in 1FSR mode scan | [Jenne, Yuta]
We couldn't scan the Y arm for 1FSR |
|
|
5985
|
Wed Nov 23 00:30:55 2011 |
Zach | Update | elog | sucks | Tried the script 3 times and it didn't
come back. Pkill'd and then scripted. That
worked. |
|
|
255
|
Wed Jan 23 11:41:06 2008 |
steve | Update | PEM | sulfur smell in 40m | Led - acid car batteries were overcharged
in the machine shop next door
and sulfuric acid smell is coming over to |
|
|
12543
|
Mon Oct 10 17:27:29 2016 |
rana | Update | DMF | summar pages dead again | Been non-functional for 3 weeks. Anyone
else notice this? images missing since ~Sep
21. |
|
|
12544
|
Mon Oct 10 17:42:47 2016 |
Max Isi | Update | DMF | summar pages dead again | I've re-submitted the Condor job; pages
should be back within the hour.
|
|
|
12548
|
Tue Oct 11 08:09:46 2016 |
Max Isi | Update | DMF | summar pages dead again | Summary pages will be unavailable today
due to LDAS server maintenance. This is unrelated
to the issue that Rana reported. |
|
|
6839
|
Wed Jun 20 18:00:10 2012 |
rana | Summary | PSL | summaries | Nice PSL summaries from LHO:
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=3187 |
|
|
5120
|
Fri Aug 5 02:00:09 2011 |
kiwamu | Summary | General | summary of today's invac work | [Jamie, Jenne, Suresh,
Steve, Koji, Kiwamu] |
|
|
5147
|
Tue Aug 9 02:03:16 2011 |
kiwamu | Summary | SUS | summary of today's work on ETMY | [Rana / Jenne / Kiwamu]
The
ETMY suspension tower is currently sitting |
|
|
11277
|
Sun May 10 13:54:41 2015 |
rana | HowTo | Computer Scripts / Programs | summary page URL change | Also, EQ gave us a better (and not pwd
protected) URL for the summary pages. Please
replace your previous links with this |
|
|
11278
|
Mon May 11 01:28:33 2015 |
rana | HowTo | Computer Scripts / Programs | summary page URL change | Like Steve pointed out, the summary pages
show that the y-arm transmission drifts a
lot when locked. The OL summary page shows |
|
|
12692
|
Fri Dec 30 10:27:46 2016 |
rana | Update | DetChar | summary pages dead again | Dead again.
No outputs for the past month. We really
need a cron job to check this out |
|
|
12693
|
Thu Jan 5 21:43:16 2017 |
rana | Update | DetChar | summary pages dead again | Max tells us that soem conf files were
bad and that he did something and now some
pages are being made. But the PEM and MEDM |
|
|
12915
|
Wed Mar 29 09:24:28 2017 |
Steve | Update | lore | summery pages | The summery pages are working at a slow
motion speed. It's response time 12 minutes. |
|
|
13049
|
Wed Jun 7 14:27:23 2017 |
Steve | Update | Summary Pages | summery pages not working | Last good page May 18, 2017
Not found, error message May 19
- June 4,2017 |
|
|
4847
|
Tue Jun 21 16:11:13 2011 |
steve | Update | SAFETY | surf safety training | 40m surfs: Nicole Ing, Iswita Saikia
and Sonali Mohapatra received 40m specific
safety training today. |
|
|
8743
|
Tue Jun 25 10:23:20 2013 |
Steve | Update | safety | surf safety training | Alex Cole and Craig Cahillane received
40m specific, basic safety training
last week. |
|
|
10069
|
Thu Jun 19 10:39:22 2014 |
steve | Update | safety | surf safety training |
Andres Medina and Andrew "Harry"
Hall received 40m specific safety training. |
|
|
13843
|
Tue May 15 13:34:30 2018 |
Steve | Update | safety | surf safety training | Pooja and Keirthana received 40m specific
basic safety training. |
|
|
14031
|
Thu Jun 28 13:12:20 2018 |
Steve | Update | safety | surf safety training | Shruti and Sandrine received 40m specific
basic safety training this morning.
|
|
|
1700
|
Wed Jun 24 17:08:16 2009 |
steve | Bureaucracy | SAFETY | surf student safety | The 40m lab specific safety training is
done. The participants were
Stephanie Erickson, Clara Bennett, |
|
|
5116
|
Thu Aug 4 08:25:51 2011 |
steve | Update | SUS | sus at atm | ITMX and PRM moved alot. BS and
ITMY just a little based on oplev reference. |
|
|
5118
|
Thu Aug 4 11:18:12 2011 |
rana | Update | SUS | sus at atm | Remember that the Oplevs are not good references
because of the temperature sensitivity. The
week long trend shows lots of 24 hour fluctuations. |
|
|
5138
|
Mon Aug 8 12:08:05 2011 |
rana | Update | SUS | sus at atm | |
|
|
833
|
Thu Aug 14 10:26:45 2008 |
steve | HowTo | SUS | sus cable pin cheater for out of vac damping | The 40m D25 vacuum feed troughs give you a
mirror image pin count.
|
|
|
6278
|
Tue Feb 14 08:22:27 2012 |
steve | Update | SUS | sus damping restored | ITMX, PRM and BS watchdogs are tripped.
They were restored.
Stable MC was disabled so I can use |
|
|
2773
|
Mon Apr 5 14:10:06 2010 |
steve | Update | SUS | sus damping restored |
|
|
|
12917
|
Wed Mar 29 16:38:00 2017 |
Steve | Omnistructure | Treasure | sus fiber illluminated | |
|
|
12919
|
Thu Mar 30 10:41:56 2017 |
rana | Omnistructure | Treasure | sus fiber illluminated | Very, very cool! |
|
|
6312
|
Fri Feb 24 08:06:52 2012 |
steve | Update | SUS | sus restored |
|
|