| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
5412
|
Thu Sep 15 01:06:20 2011 |
Keiko | Update | LSC | 3f demodulation board check | In addition to REFL 33 ans 165, I checked
the orthogonality for the other existing
three channels. |
|
|
5440
|
Fri Sep 16 21:26:12 2011 |
Keiko | Update | LSC | 3f demodulation board check | The demodulation
phases and gains for the all existing channels, |
|
|
1354
|
Wed Mar 4 12:38:07 2009 |
Alberto | Update | Computer Scripts / Programs | 3f locking simulations | I simulated the REFL signals demodulated
at the differential frequencies of the sidebands
(f2-f1), at their summed frequencies (f2+f1). |
|
|
11005
|
Wed Feb 11 18:11:46 2015 |
Koji | Summary | LSC | 3f modulation cancellation | 33MHz sidebands can be elliminated by careful
choice of the modulation depths and the relative
phase between the modulation signals. |
|
|
11019
|
Thu Feb 12 23:47:45 2015 |
Koji | Update | LSC | 3f modulation cancellation | - I built another beat setup on the PSL
table at the South East side of the table.
- The main beam is not touched, no |
|
|
11028
|
Sat Feb 14 00:48:13 2015 |
Koji | Update | LSC | 3f modulation cancellation | [SUCCESS]
The 3f sideband cancellation seemed worked
nicely. |
|
|
11029
|
Sat Feb 14 19:54:04 2015 |
Koji | Summary | LSC | 3f modulation cancellation | Optical
Setup
[Attachment 1] |
|
|
11031
|
Sat Feb 14 20:37:51 2015 |
Koji | Summary | LSC | 3f modulation cancellation | Experimental
results
- PD response [Attachment |
|
|
6929
|
Fri Jul 6 09:27:40 2012 |
steve | Update | VAC | 4 days at atm | I'm looking for some movement indicators
of the vent-pump down events.
|
|
|
9576
|
Mon Jan 27 09:08:00 2014 |
Steve | Update | VAC | 4 days at atmosphere |
|
|
|
8473
|
Mon Apr 22 19:48:56 2013 |
Jenne | Update | 40m Upgrading | 4 pins enough? | Are 4 of these spring loaded pins enough?
I'm not sure how one pin can hold 2 lids
at each point. It seems like we need |
|
|
8475
|
Tue Apr 23 15:00:20 2013 |
Jenne | Update | 40m Upgrading | 4 pins enough? |
|
|
|
11158
|
Mon Mar 23 09:42:29 2015 |
Steve | Summary | IOO | 4" PSL beam path posts | To achive the same beam height each components
needs their specific post height.
|
|
|
12995
|
Wed May 17 08:19:59 2017 |
Steve | Update | SUS | 4.1M earthquake | Sus dampings recovered. ETMY oplev needs
to be recentered.
|
|
|
11903
|
Mon Dec 28 14:12:23 2015 |
Steve | Update | SUS | 4.2M EQ | Suspensions are recovered after 4.2 Mag
earth quake. No obvoius sign of damage.
|
|
|
9556
|
Wed Jan 15 13:05:30 2014 |
Jenne | Update | PEM | 4.4 EQ in Fontana, CA | It looks like there was a 4.4 magnitude
earthquake near Fontana, CA around 1:30am
today. This tripped all of the suspension |
|
|
9559
|
Thu Jan 16 08:19:29 2014 |
Steve | Update | PEM | 4.4 and 3.8M local earth quakes |
|
|
|
11904
|
Wed Dec 30 11:09:52 2015 |
Steve | Update | SUS | 4.4M EQ | Suspensions recovered after 4.4 Mag EQ
|
|
|
9729
|
Mon Mar 17 09:27:05 2014 |
Steve | Update | SUS | 4.4M local earthquake | It looks like that ETMX have
2 sticky magnets.
|
|
|
9734
|
Mon Mar 17 20:44:42 2014 |
rana | Update | SUS | 4.4M local earthquake | |
|
|
9735
|
Mon Mar 17 21:55:36 2014 |
Koji | Update | SUS | 4.4M local earthquake | It was little bit surprising to me but
Rana's
professorial rock'n roll excitation released |
|
|
9736
|
Tue Mar 18 00:51:02 2014 |
Jenne | Update | SUS | 4.4M local earthquake |
I am really, really happy to
hear that it was just a sticking situation. |
|
|
9737
|
Tue Mar 18 08:31:37 2014 |
Steve | Update | SUS | 4.4M local earthquake & its miracle |
|
|
|
11914
|
Wed Jan 6 08:09:04 2016 |
Steve | Update | PEM | 4.5 Mag Banning EQ | IFO restored after 4.5 Mag Banning, Ca
earthquake. |
|
|
13829
|
Thu May 10 08:45:16 2018 |
Steve | Update | General | 4.5M eq. Cabazon, CA | 20180508 4:49am Cabazon earth quake 4.5M
at 79 miles away. ETMX is in load cell
measurment condition. |
|
|
1420
|
Tue Mar 24 09:04:02 2009 |
steve | Update | SUS | 4.8 mag earthquake | SRM, ITMX, ETMX, ITMY and ETMY lost damping
at 4:55am this morning from 4.8 magnitude
earthquake. |
|
|
268
|
Fri Jan 25 15:53:59 2008 |
Alberto | Update | Electronics | 40 dB from the 3rd order Chebyschev | I managed to tune the 7 knobs in the 3rd order
Chebyshev bandpass filter obtaining the tranfer
function attached to this entry. We have |
|
|
2283
|
Tue Nov 17 15:54:34 2009 |
rana | Summary | PEM | 40 days of weather | the inside temperature is alarming at the
red level today - should check if the HIHI
value is set correctly |
|
|
1717
|
Tue Jul 7 15:08:49 2009 |
Koji | Summary | Photos | 40 high school students visited 40M | Alan and Alberto conducted a tour of 40
high-school students.
It may be the same tour that Rana |
|
|
16261
|
Tue Jul 27 23:04:37 2021 |
Anchal | Update | LSC | 40 meter party | [ian, anchal, paco]
After our second attempt of locking
PRFPMI tonight, we tried to resotre XARM |
|
|
7445
|
Thu Sep 27 13:05:55 2012 |
Eric Gustafson | Update | LSC | 40 meter photodiode frequency response measurement system installation | Jenne, Mike and |
|
|
7448
|
Thu Sep 27 17:00:41 2012 |
Eric Gustafson | Update | LSC | 40 meter photodiode frequency response measurement system installation | Mike and I installed all of the telescopes
and launching hardware for REFL11, REFL33,
REFL55, AS55, MCRef, POX11 and POP55. On |
|
|
3081
|
Wed Jun 16 18:12:16 2010 |
nancy | Configuration | Computers | 40MARS | i added my laptop's mac address to teh
martian at port 13 today.
|
|
|
3083
|
Wed Jun 16 18:44:07 2010 |
Alberto | Configuration | Computers | 40MARS |
|
|
|
8782
|
Fri Jun 28 11:33:32 2013 |
Steve | Update | | 40MARS wireless network problem |
|
|
|
8605
|
Tue May 21 16:23:06 2013 |
Manasa | Update | General | 40MARS wireless network problem RETURNS |
|
|
|
8540
|
Tue May 7 17:43:51 2013 |
Jamie | Update | Computers | 40MARS wireless network problems | I'm not sure what's going on today but
we're seeing ~80% packet loss on the 40MARS
wireless network. This is obviously |
|
|
8541
|
Tue May 7 18:16:37 2013 |
Jamie | Update | Computers | 40MARS wireless network problems | Here's an example of the total horribleness
of what's happening right now:
controls@rossa:~ 0$ ping 192.168.113.222
PING |
|
|
8762
|
Thu Jun 27 05:44:51 2013 |
rana | Update | | 40MARS wireless network problems |
|
|
|
8763
|
Thu Jun 27 10:45:41 2013 |
Steve | Update | General | 40MARS wireless network problems |
|
|
|
15456
|
Mon Jul 6 15:10:40 2020 |
Jon | Summary | BHD | 40m --> A+ BHD design analysis | As suggested last week, Hang and I have
reviewed the A+ BHD status
(DRD, CDD, and reviewers' comments) and |
|
|
6720
|
Wed May 30 22:04:13 2012 |
Jenne | Bureaucracy | General | 40m Action Items | .....including:
fix Q of Vio2 filter in SUS. - JENNE
Switch power source for beatnote |
|
|
6843
|
Thu Jun 21 02:57:16 2012 |
Jenne | Bureaucracy | General | 40m Action Items | PRIORITY
ITEMS:
|
|
|
13560
|
Fri Jan 19 15:22:19 2018 |
Udit Khandelwal | Summary | General | 40m CAD update 2018/01/19 | 40m CAD Project
All parts will be now named
according to the numbering system in this |
|
|
2824
|
Wed Apr 21 11:32:31 2010 |
josephb | Update | CDS | 40m CDS hardware update and software requests | This is mostly a reminder to myself about
what I discussed with Jay and Alex this morning.
The big black IO chassis are "almost" |
|
|
15928
|
Wed Mar 17 09:05:01 2021 |
Paco, Anchal | Configuration | Computers | 40m Control Room Changes |
Switched positions of allegra and
donatella.
While doing so, the
hdmi cable previously used by donatella snapped. |
|
|
16027
|
Wed Apr 14 13:16:20 2021 |
Anchal | Configuration | Computers | 40m Control Room Changes |
I have confirmed that the old two
monitors' backlighting is not working.
One can see the impression of the display |
|
|
7670
|
Mon Nov 5 13:28:15 2012 |
jamie | Update | General | 40m DCC document tree | Link to the new 40m
DCC Document Tree: E1200979 |
|
|
6034
|
Tue Nov 29 07:45:56 2011 |
rana, josh | Summary | Computer Scripts / Programs | 40m Daily News web pages | As part of the initiative to
get a good daily summary page for aLIGO commissioning,
Josh is spearheading his |
|
|
1213
|
Fri Jan 2 17:20:44 2009 |
rana | Summary | Computer Scripts / Programs | 40m GWINC | I have made a '40m' directory in the iscmodeling
CVS tree which allows one to run a 40m version
of GWINC.
|
|