| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4189
|
Sat Jan 22 02:11:09 2011 |
kiwamu | Update | Green Locking | some more progress | [Rana, Suresh, Kiwanu]
|
|
|
4190
|
Sat Jan 22 02:23:26 2011 |
Koji | Update | Green Locking | some more progress | What is the point to use the error instead
of the feedback? It does not make sense to
me. |
|
|
5609
|
Mon Oct 3 23:52:49 2011 |
kiwamu | Update | CDS | some more tests for the Dolphin | [Koji / Kiwamu]
We
did several tests to figure out what could |
|
|
14076
|
Tue Jul 17 12:46:28 2018 |
rana | Update | General | some notes from yesterday | For the EY, instead of balancing the table,
I just moved the weight approximately so
that the ETMY OSEMS were at half light, but |
|
|
4939
|
Tue Jul 5 16:09:54 2011 |
kiwamu | Update | ABSL | some photos for ABSL setup | Here
I show two photos of the latest ABSL (ABSolute
Length measurement) setup. |
|
|
11519
|
Thu Aug 20 11:09:10 2015 |
rana | Update | IOO | some points about seismic FF |
When plotting the subtraction performance,
we mainly care about the 0.5 - 10 Hz band,
so we care about the RMS in this band. Don't |
|
|
998
|
Fri Sep 26 16:08:39 2008 |
rob | Update | Locking | some progress | There's been good progress in locking the
last couple of nights. A lot of time was
wasted before I found that
|
|
|
2030
|
Thu Oct 1 03:12:56 2009 |
rob | Update | Locking | some progress | Good progress in IFO locking tonight, with
the arm powers reaching about half the full
resonant maximum. |
|
|
3458
|
Mon Aug 23 19:55:31 2010 |
kiwamu | Update | CDS | some progress | {Joe, Kiwamu}
Today |
|
|
8196
|
Thu Feb 28 02:43:49 2013 |
yuta | Update | LSC | some qualitative evidence of PRMI sideband lock | [Manasa, Yuta]
Since we have setup POP22 PD now( |
|
|
14907
|
Thu Sep 26 17:56:28 2019 |
Koji | Update | CDS | some rebooting | Yesterday (Sep 25) evening: I had to reboot
c1psl, c1iool0, and c1aux to recover nominal
IMC locking |
|
|
5702
|
Wed Oct 19 16:53:38 2011 |
kiwamu | Update | CDS | some screens need labels | |
|
|
11294
|
Sat May 16 21:05:24 2015 |
rana | Update | General | some status | 1) Checked the N2 pressures: the unregulated
cylinder pressures are both around 1500 PSI.
How long until they get to 1000? |
|
|
11297
|
Mon May 18 09:50:00 2015 |
ericq | Update | General | some status |
|
|
|
11298
|
Mon May 18 11:59:07 2015 |
rana | Update | General | some status | Yes - my rampdown.py script correctly ramps
down the watchdog thresholds. This replaces
the old rampdown.pl Perl script that Rob |
|
|
11301
|
Mon May 18 16:28:18 2015 |
ericq | Update | General | some status |
|
|
|
11303
|
Mon May 18 17:42:14 2015 |
rana, ericQ | Update | General | some status | Today at 5 PM we replaced the east N2 cylinder.
The east pressure was 500 and the west cylinder
pressure was 1000. Since Steve's elogs |
|
|
11305
|
Mon May 18 18:03:12 2015 |
rana | Update | General | some status | The c1cal model was maxing out its CPU
meter so I logged onto c1lsc and did 'rtcds
c1cal stop'. Let's see if this changes |
|
|
11306
|
Tue May 19 00:19:23 2015 |
rana | Update | General | some status | There's a few hours so far after today's
c1cal shut off that the summary page shows
no dropouts. I'm not yet sure that this |
|
|
11315
|
Tue May 19 18:55:12 2015 |
rana, ericQ | Update | General | some status | After one day the pressures are east/west
= 2200/450 PSI
|
|
|
11317
|
Wed May 20 03:08:27 2015 |
rana | Update | General | some status | I think that the real clue was that the
dropouts are in some channels and not in
others: |
|
|
11318
|
Wed May 20 11:41:59 2015 |
ericq | Update | General | some status | West cyclinder is empty, east is at
2000 psi; regulated N2 pressure is 64psi. I'll
replace the west one after the meeting. |
|
|
1222
|
Mon Jan 12 10:57:38 2009 |
rob | Update | General | some stuff |
The AS beam was not hitting the AS166 diode,
so I aligned the last little steering mirror |
|
|
15237
|
Mon Mar 2 16:14:47 2020 |
gautam | Update | CDS | some target directory cleanup | $TARGET_DIR |
|
|
4458
|
Tue Mar 29 22:29:16 2011 |
kiwamu | Update | General | some tasks tomorrow | * Temporary strain relief for
the heliax cables on 1X2 (Steve) |
|
|
11071
|
Wed Feb 25 23:48:57 2015 |
rana | Update | LSC | some thoughts |
Comparing just the 2 cases with
locking on 33, it seems that the 55 MHz gain
has changed by 14 dB instead of the 10 dB |
|
|
5595
|
Sun Oct 2 02:33:32 2011 |
kiwamu | Update | LSC | something funny with AS55 | Just a quick report.
The AS55 |
|
|
1170
|
Wed Dec 3 12:49:11 2008 |
jenne | Update | Computers | something sketchy with NDS ... or something | [SIZE=2][COLOR=green]Never mind...I had forgotten
that you have to run mdv_config every time
you open matlab, not just every time you |
|
|
4898
|
Tue Jun 28 14:21:41 2011 |
kiwamu | Update | IOO | something wrong ? : Power incident on REFL11 and REFL55 | The measured
change in the REFL DC power with and without |
|
|
4954
|
Thu Jul 7 14:27:16 2011 |
Suresh | Update | IOO | something wrong ? : Power incident on REFL11 and REFL55 | Just tying up a loose end. The next
day Kiwamu and I checked to see what the
trouble was. We concluded that the |
|
|
5025
|
Mon Jul 25 00:35:44 2011 |
rana | Update | SUS | something wrong with ETMY LR sensor | |
|
|
4269
|
Thu Feb 10 11:16:31 2011 |
steve | Update | PEM | south arm AC turned on | The air condition was off for the south
arm. I turned it on. |
|
|
3513
|
Thu Sep 2 14:11:17 2010 |
steve | Summary | PEM | south end crane balancing is completed | The crane I -beam now leveled at all degrees
of rotation. The lower hinge was moved
southward about 1/4 of an inch. |
|
|
12187
|
Thu Jun 16 11:10:17 2016 |
Steve | Update | SUS | spare ETMX optics preparation to be hanged |
D
Location |
|
|
13158
|
Wed Aug 2 09:40:55 2017 |
Steve | Update | Electronics | spare ILIGO electronics | Spare ILIGO electronics temporarly stored
in the east arm. We need cabinet space. |
|
|
1387
|
Wed Mar 11 16:41:22 2009 |
steve | Update | MOPA | spare NPRO power | The spare M126N-1064-700, sn 5519
of Dec 2006 rebuilt NPRO's power output
measured 750mW |
|
|
12088
|
Mon Apr 25 11:07:06 2016 |
Steve | Update | SUS | spare SOS tower | Earth quake stops need viton tips.
Wirestandoffs are still aluminum. |
|
|
12092
|
Wed Apr 27 09:45:56 2016 |
rana | Update | SUS | spare SOS tower | Bah, we need ruby slippers for all future
suspensions. Prism with curved backside and
smooth grooves. |
|
|
7071
|
Wed Aug 1 16:38:46 2012 |
steve | Update | SUS | spare SRMU 03 optic moved | SOS optics prepared to be hanged are moved
from the South Flow Bench to S15 Clean Cabinet.
SRMU 03 (1-25-2010) specification |
|
|
7072
|
Wed Aug 1 17:04:22 2012 |
Jenne | Update | SUS | spare SRMU 03 optic moved |
|
|
|
7755
|
Tue Nov 27 17:45:42 2012 |
Steve | Update | General | spare optics of AP table moved to cabinet | Spare optics from the AP table were moved
to glass cabinet in the east arm. I'm not
sure this is the right place. We'll see what |
|
|
632
|
Thu Jul 3 16:18:51 2008 |
rob | Summary | Locking | specgrams | I used ligoDV to make some spectrograms of
DARM_ERR (1), QPDX (2), and QPDY (3). These
show the massive instability from 30-40Hz |
|
|
7517
|
Wed Oct 10 08:36:47 2012 |
Steve | Update | COC | special mirror mounts holder |
|
|
|
1684
|
Thu Jun 18 23:08:46 2009 |
rob | Update | Locking | spectrum | Here's a noise spectrum of the RSE interferometer,
in anti-spring mode, with RF readout.
I'd say the calibration is "loose." |
|
|
6183
|
Tue Jan 10 00:09:33 2012 |
kiwamu | Update | LSC | spike hunting in REFL33 | [John / Kiwamu]
We
tried to figure out what is causing spikes |
|
|
6327
|
Mon Feb 27 19:04:13 2012 |
jamie | Update | CDS | spontaneous timing glitch in c1lsc IO chassis? | For some reason there appears to have been
a spontaneous timing glitch in the c1lsc
IO chassis that caused all models running |
|
|
5371
|
Fri Sep 9 16:16:59 2011 |
kiwamu | Update | IOO | spot positions on MC mirrors (in-vac) | The spot positions on the MC mirrors
were measured in the vacuum condition.
|
|
|
5373
|
Fri Sep 9 20:52:59 2011 |
kiwamu | Update | IOO | spot positions on MC mirrors (in-vac) | The
spot positions on the MC mirrors were readjusted.
|
|
|
529
|
Wed Jun 11 11:45:25 2008 |
steve | Update | PSL | ss trap works | The trap works well at 3 W level. No back
reflected beam coming out of the trap on
low power
|
|
|
1372
|
Mon Mar 9 10:59:05 2009 |
Alan | Omnistructure | Computers | ssh agent on fb40m restarted for backup | After the boot-fest, the nightly backup
to Powell-Booth failed, and an automatic
email got sent to me. I restarted the ssh |
|