| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
9966
|
Fri May 16 20:55:18 2014 |
Jamie | Frogs | lore | un-full-screening Ubuntu windows with F11 | Last week Rana and I struggled to figure
out how to un-full-screen windows on the
Ubuntu workstations that appeared to be stuck |
|
|
9965
|
Fri May 16 16:08:12 2014 |
steve | Update | LSC | Isolating base plates | Electronic components should be ISOLATED
as they are installed on the optical tables.
This is essential to avoid ground |
|
|
9964
|
Fri May 16 11:22:23 2014 |
Steve | Update | LSC | X Arm ALS Noise coming in and out |
|
|
|
9963
|
Fri May 16 10:54:42 2014 |
ericq | Update | LSC | X Arm ALS Noise coming in and out | Den and I spent some time with the interferometer
last night with hopes of bringing in the
AO path, but were stymied by the (re)occurrence |
|
|
9962
|
Fri May 16 10:48:32 2014 |
Steve | Update | LSC | Y arm T- qpd is getting light guard extension tube | The qpd was removed from the east end table
and threaded adaptor ring epoxied on it's
shell. |
|
|
9961
|
Fri May 16 09:46:05 2014 |
Steve | Update | PSL | pointing monitoring |
|
|
|
9960
|
Fri May 16 00:25:53 2014 |
rana | Update | PSL | PMC realign | Tonight I noticed that the drop in
PMC transmission was ~1V, more than the usual
of ~0.5V from the daily drift. |
|
|
9959
|
Thu May 15 16:46:35 2014 |
ericq | Update | LSC | Possible Path to AO path | It's taken a lot of trial and error,
but I've found a path through MATLAB loops
that seems like it may be stable |
|
|
9958
|
Thu May 15 15:10:02 2014 |
Steve | Update | PEM | seismic activities | Our only seismometer is at the east end
now.
Atm1, Ditch Day morning puzzle. The |
|
|
9957
|
Thu May 15 02:52:51 2014 |
Jenne | Update | LSC | Started engaging the AO path, not getting all the way yet |
In addition to a transparent
legend, we need the corresponding CM crossover |
|
|
9956
|
Thu May 15 02:32:01 2014 |
Jenne | Update | LSC | Started engaging the AO path, not getting all the way yet | I tried many times this evening to engage
the AO path, with limited success.
Q's new scripts worked really well, |
|
|
9955
|
Thu May 15 01:42:07 2014 |
rana | Update | CDS | /frames space cleared up, daqd stabilized | Script seems to be working now:
nodus:~>df -h | grep
frames |
|
|
9954
|
Wed May 14 17:36:32 2014 |
ericq | Update | CDS | New netgpib scripts for SR785 | I have redone the SPSR785 (spectrum measurement) |
|
|
9953
|
Wed May 14 14:39:31 2014 |
Jenne | Update | SUS | New buttons on IFO_ALIGN screen | It's starting to get a little crowded,
but I modified the IFO_ALIGN screen to have
new buttons to show the aligned / misaligned |
|
|
9952
|
Wed May 14 10:04:06 2014 |
Steve | Summary | SUS | oplev laser and temperature | ETMX oplev qpd gain has to be increased.
|
|
|
9951
|
Wed May 14 02:37:58 2014 |
Jenne | Update | LSC | No big locking news | Tonight was mostly cleaning up some scripts,
including the re-writing the restore and
align scripts for the optics. |
|
|
9950
|
Tue May 13 22:55:57 2014 |
Jenne | Summary | SUS | ETMX oplev: cleanup | I believe that the Xend aux laser was turned
off earlier today, for Steve's work swapping
out the oplev. When I went down there, |
|
|
9949
|
Tue May 13 17:45:21 2014 |
rana | Update | CDS | /frames space cleared up, daqd stabilized |
Late last night we were getting
some problems with DAQD again. Turned out |
|
|
9948
|
Tue May 13 17:31:32 2014 |
Jenne | Summary | SUS | ETMX oplev laser replaced: New oplev gains set | I took loop measurements of ETMX pit and
yaw, and set the upper UGF to be ~6Hz for
both. This required a pitch gain of |
|
|
9947
|
Tue May 13 17:03:05 2014 |
Steve | Summary | SUS | ETMX oplev laser replaced |
|
|
|
9946
|
Tue May 13 13:27:58 2014 |
Steve | Summary | SUS | Optical Lever Servos setting table |
|
|
|
9945
|
Tue May 13 03:30:10 2014 |
Jenne | Update | LSC | Locking activities - no progress | [Jenne, Rana, EricQ]
We tried a few times to engage
the AO path while holding CARM on sqrtTrans |
|
|
9944
|
Tue May 13 00:46:58 2014 |
rana | HowTo | PSL | PMC relocking | The PMC runs out of range sometimes due
to the daily temperature swing. The voltage
swings up after sunset and then starts to |
|
|
9943
|
Mon May 12 22:52:59 2014 |
Jenne | Summary | SUS | Optical Lever Filters are all different | We need to go back and have a look at all
of our optical lever control filters, and
make sure they make sense. |
|
|
9942
|
Mon May 12 22:42:19 2014 |
rana | Summary | SUS | Optical Lever QPD Sum trends: they're almost all too weak | For some reason or another, I decided that
we should see if the optical lever servos
were injecting too much noise into the test |
|
|
9941
|
Mon May 12 14:42:25 2014 |
steve | Update | endtable upgrade | optical table enclosure wall proposal and table at ETMY |
|
|
|
9940
|
Mon May 12 10:42:01 2014 |
rana | Update | SUS | some Arm maintenance | I ran the ASS/ADS for the arms because
the X-arm was way out. There was also some
problem with its locking due to bad ramps |
|
|
9939
|
Fri May 9 21:18:51 2014 |
Koji | Update | Green Locking | Reverted X green light power | It is actually very tricky to measure the
green power at the output of the doubling
crystal as the IR often leaks into the measurement. |
|
|
9938
|
Fri May 9 14:01:24 2014 |
Jenne | Update | LSC | CM board boost turn-on checkout | Note: I thought I was editing elog
9935, but somehow this became a whole |
17x |
|
9937
|
Fri May 9 11:23:11 2014 |
steve | Update | Green Locking | decreased X green light power | Green light power decreased from 3 mW to
1 mW at the ETMX-ISCT shutter. More later. |
|
|
9936
|
Fri May 9 04:51:13 2014 |
ericq | Summary | LSC | REFL_DC handoff didn't work last night |
|
|
|
9935
|
Fri May 9 04:09:39 2014 |
Jenne | Update | LSC | CM board boost turn-on checkout | As part of checking the common mode board
before we get too carried away with using
it, I looked at the time series of the |
|
|
9934
|
Fri May 9 01:36:28 2014 |
rana | Summary | SUS | Optical Lever QPD Sum trends: they're almost all too weak | We want there to be ~16000 cts of
signal per quadrant on the optical levers.
I think that most of the QPDs have been modified |
|
|
9933
|
Thu May 8 17:25:17 2014 |
steve | Update | LSC | TRY 60Hz noise hunt | I
worked at the ETMY-ISCT this morning and |
|
|
9932
|
Thu May 8 17:00:56 2014 |
rana, Q | Summary | LSC | REFL_DC handoff didn't work last night | Last
night after checking cabling and turning
on ISS, we tried several times to handoff |
|
|
9931
|
Thu May 8 15:55:43 2014 |
jamie | Update | CDS | python issues |
|
|
|
9930
|
Thu May 8 14:37:02 2014 |
Jenne | Update | ASC | POP ASC QPD power | I was thinking about POP today, and wanted
to know if there was something to be done
to allow us to use the PRCL ASC for at least |
|
|
9929
|
Thu May 8 02:03:51 2014 |
rana | Update | ISS | ISS: fuse was blown, repaired, loop back on | Back in November, Nic and Evan turned on
an SR560 based ISS. It uses the PMC TRANS
PD as the error signal and makes an AC coupled |
|
|
9928
|
Thu May 8 01:33:21 2014 |
ericq | Update | CDS | python issues | On pianosa: The ezca.Ezca class somehow
initializes with its prefix set to "C1:",
even though the docstring says the default |
|
|
9927
|
Thu May 8 00:40:39 2014 |
ericq | Update | LSC | BNC vs. 2pin LEMO for AO | I've checked that the 2pin lemo connector
that was run some time ago from the LSC rack
to the MC board does indeed transmit signals. |
|
|
9926
|
Wed May 7 23:30:21 2014 |
jamie | Update | CDS | cdsutils should be working now | Should be fixed now. There were python2.6
compatibility issues, which only show up
on these old distros (e.g. ubuntu 10.04). |
|
|
9925
|
Wed May 7 23:09:06 2014 |
rana, jamie | Summary | Computer Scripts / Programs | Ottavia back on network | After Jamie fixed the third party repo
issue with Ottavia, he was able to upgrade
it to Ubuntu 12.04 Precise Pangolin. But |
|
|
9924
|
Wed May 7 22:47:33 2014 |
rana | Update | CDS | cdsutils updated to version 226: not working on pianosa or rossa | controls@rossa:~ 0$ cdsutils
read C1:LSC-DARM_GAIN
Traceback (most recent call last): |
|
|
9923
|
Wed May 7 17:10:59 2014 |
rana | Update | CDS | cdsutils updated to version 226 | This upgrade from Jamie has given
us the new apps (avg, servo, and trigservo).
We should figure out if there's a way to |
|
|
9922
|
Wed May 7 16:31:12 2014 |
jamie | Update | CDS | cdsutils updated to version 226 |
controls@pianosa:~ 0$ cd /opt/rtcds/cdsutils/trunk/
controls@pianosa:/opt/rtcds/cdsutils/trunk
0$ svn update
...
At revision 226.
controls@pianosa:/opt/rtcds/cdsutils/trunk
0$ make
echo "__version__ = '226'" >lib/cdsutils/_version.py
echo |
|
|
9921
|
Wed May 7 14:01:36 2014 |
steve | Update | LSC | TRY 60Hz noise hunt |
|
|
|
9920
|
Wed May 7 04:01:44 2014 |
rana, jenne | Update | LSC | PRFPMI: Common Mode servo using REFL_DC ON, CARM offset still non-zero |
With REFL_DC coupled into
the CM board through an SR560 (with an offset
subtractor), we were able to transition to |
|
|
9919
|
Tue May 6 19:38:13 2014 |
Jenne | Update | LSC | Set up for PRFPMI CM locking | To get ready for the PRFPMI CM trials tonight,
I put AS55's cables back to their nominal
state, and now have REFL11 I going to IN1 |
|
|
9918
|
Tue May 6 18:32:14 2014 |
steve | Update | LSC | TRY 60Hz noise hunt | This
is an effort to get rid of our ground loops
|
|
|
9917
|
Tue May 6 17:58:44 2014 |
ericq | Update | LSC | farther into CM | I took a look at the MC OLTF and
AO path TFs with the fast agilent analyzer.
I played with the relative gain of |
|