| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12799
|
Sat Feb 4 12:29:20 2017 |
jamie | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 | No, not confused on that point. We just
will not be testing OS versions at the 40m
or running multiple OS's on our workstations. |
|
|
12800
|
Sat Feb 4 12:50:01 2017 |
jamie | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 |
|
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|
12914
|
Tue Mar 28 21:06:53 2017 |
rana | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 | Debian doesn't like EPICS. Or our XY
plots of beam spots...Sad!
|
|
|
9531
|
Tue Jan 7 23:08:01 2014 |
jamie | Update | CDS | /frames is full, causing daqd to die |
|
|
|
9533
|
Tue Jan 7 23:13:47 2014 |
jamie | Update | CDS | /frames is full, causing daqd to die |
|
|
|
9535
|
Tue Jan 7 23:50:27 2014 |
jamie | Update | CDS | /frames space cleared up, daqd stabilized | The wiper script is done and deleted a
whole bunch of stuff to clean up some space:
controls@fb ~ 0$ /opt/rtcds/caltech/c1/target/fb/wiper.pl |
|
|
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 |
|
|
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 |
|
|
9042
|
Tue Aug 20 16:23:41 2013 |
rana | Summary | General | /home/cds nearly full | /home/cds is >98% full - below are some
of the usage numbers:
|
|
|
9045
|
Wed Aug 21 17:42:03 2013 |
rana | Summary | General | /home/cds nearly full | One of the reasons that our disk is getting
full is due to the scripts_archive directory.
A backup script runs on op340m and makes |
|
|
9147
|
Fri Sep 20 20:14:52 2013 |
rana | Summary | General | /home/cds nearly full |
|
|
|
11986
|
Thu Feb 11 14:28:50 2016 |
Steve | Update | Treasure | 091415 declared |
Beautifully Done
|
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|
6496
|
Fri Apr 6 15:06:05 2012 |
Den | Update | IOO | 1 Hz resonance | I think we can try to damp 1 Hz resonance
more. In September it was not seen because
of the digital noise. After we've figured |
|
|
7234
|
Mon Aug 20 13:02:57 2012 |
Den | Update | Adaptive Filtering | 1 Hz resonance | Static filter was adjusted to filter 1
Hz resonance in MCL and it could do it. Stack
is not great in this experiment due to the |
|
|
8008
|
Wed Feb 6 14:51:25 2013 |
Jenne | Update | Electronics | 1 power supply replaced! |
|
|
|
3171
|
Wed Jul 7 19:41:27 2010 |
Jenne | Update | SUS | 1.5 more ECD sets suspended for tip tilts | [Jenne, Kyung Ha]
We made some good progress on suspending
the Tip Tilt ECDs today. We finished |
|
|
9482
|
Tue Dec 17 20:59:23 2013 |
Jenne | Update | LSC | 1/sqrt(TR) signals added to frames | I noticed that we have not been saving
the 1/sqrt(TRX) and 1/sqrt(TRY) data, so
I modified the c1lsc model and added them |
|
|
1640
|
Mon Jun 1 19:19:26 2009 |
rana | Update | PSL | 1000 days of hour-trend | |
|
|
9253
|
Fri Oct 18 08:12:08 2013 |
Steve | Update | PEM | 1000 days trends | |
|
|
12949
|
Fri Apr 21 13:59:47 2017 |
Eric Gustafson | Summary | | 1064 nm Semiconductor Laser Fiber Distribution System and Mirror Tomography | 1064 nm Semiconductor Laser Fiber
Distribution System and Mirror Tomography
Below threshold these Semiconductor |
|
|
2653
|
Wed Mar 3 18:32:25 2010 |
Alberto | Update | 40m Upgrading | 11 MHz RFPD elctronics | ** Please
add LISO file w/ component values.
|
|
|
2655
|
Thu Mar 4 08:43:35 2010 |
Alberto | Update | 40m Upgrading | 11 MHz RFPD elctronics |
|
|
|
7515
|
Wed Oct 10 02:15:14 2012 |
rana | Update | LSC | 11 MHz reconnected to EOM | Absolutely hokey. What are
our requirements for this RFPD? What
are the power levels and SNR that we want |
|
|
845
|
Mon Aug 18 09:19:55 2008 |
steve | Summary | VAC | 11 days at atm | It took 11 days to fix earth quake triggered
sus problems of ITMX, SRM and PRM
Only ITMX north and BSC north vac doors were |
|
|
7360
|
Fri Sep 7 12:28:09 2012 |
Koji | Update | LSC | 11&55MHz modulations turned off | 11MHz modulation source was turned off
(disabled) at Marconi at 12:00. |
|
|
9072
|
Tue Aug 27 18:21:35 2013 |
Jenne | Configuration | Electronics | 110 MHz LO options | As I see it, we have a few options for
getting the 110 MHz LO to both the POP110
and AS110 demod boards. |
|
|
9073
|
Tue Aug 27 18:58:52 2013 |
Koji | Configuration | Electronics | 110 MHz LO options | - Do we have an appropriate amplifier?
- True challenge could be to find
a feedthrough for the new port. (or to find |
|
|
11230
|
Tue Apr 21 11:55:05 2015 |
Steve | Update | Optical Levers | 1103P noise measurement | Manasa and Steve,
Is this what you want? Dashed
lines are dark. |
|
|
11231
|
Tue Apr 21 15:03:27 2015 |
rana | Update | Optical Levers | 1103P noise measurement | It doesn't work with the lens in there,
but it seems pretty close. Please leave it
as is and I'll play with it after 5 today. |
|
|
11232
|
Tue Apr 21 21:46:34 2015 |
rana | Update | Optical Levers | 1103P noise measurement | To test what the inherent angular noise
of the HeNe 1103P laser is, we're testing
it on a table pointing into the BS OL QPD |
|
|
6590
|
Mon Apr 30 22:58:57 2012 |
Jenne | Update | Electronics | 11MHz Marconi set to default after power outage | After a power outage, a Marconi comes back
to it's defaults. It needed to be reset
to the values in elog 5530. |
|
|
2656
|
Thu Mar 4 19:53:56 2010 |
Alberto | Update | 40m Upgrading | 11MHz PD designed adjusted for diode's resistance; 55 MHz RFPD designed | After
reading this study done |
6x |
|
2657
|
Thu Mar 4 22:07:21 2010 |
rana | Update | 40m Upgrading | 11MHz PD not yet designed | Use 10 Ohms for the resistance - I have
never seen a diode with 25 Ohms.
p.s. PDFs can be joined together |
|
|
4533
|
Fri Apr 15 15:15:08 2011 |
kiwamu | Update | LSC | 11MHz demod board : 90 degree splitter | [Rana, Koji, Kiwamu]
Moreover
the amplitude of the I and Q signals are |
|
|
4537
|
Sat Apr 16 02:00:14 2011 |
rana | Update | LSC | 11MHz demod board : 90 degree splitter | One way to avoid some of the bad stuff
in there is to take the 1 dBm input and amplify
it to ~21 dBm before splitting and sending |
|
|
4530
|
Fri Apr 15 12:17:39 2011 |
kiwamu | Update | LSC | 11MHz demod board : funny I-Q phase | During checking
the 11MHz demod boards I found that the I-Q |
|
|
7513
|
Tue Oct 9 23:12:56 2012 |
Jenne | Update | LSC | 11MHz reconnected to EOM | Riju hasn't been in the lab in a long time
to do any measurements, so I put the signals
back to how they should be. |
|
|
9618
|
Mon Feb 10 18:03:41 2014 |
jamie | Update | CDS | 12 core c1sus replacement | I have configured one of the spare Supermicro
X8DTU-F chassis as a dual-CPU, 12-core CDS
front end machine. This is meant to |
|
|
4351
|
Thu Feb 24 17:42:00 2011 |
Aidan | Update | Green Locking | 15% of end laser sideband power transmitted through cavity | I did a quick calculation to determine
the amount of sideband transmission through
the FP cavity. |
|
|
12948
|
Wed Apr 19 15:46:24 2017 |
gautam | Update | General | 1611/1811 inventory check | I looked through the lab area to do a fast
photodiode inventory check, as we may need
to buy some for the higher order mode spectroscopy |
|
|
2384
|
Thu Dec 10 13:10:25 2009 |
Alberto | Configuration | LSC | 166 LO Disconnected | I temporarily disconnected the Heliax cable
that brings the 166MHz LO to the LSC rack.
I'm doing a couple of measurement |
|
|
2393
|
Thu Dec 10 18:31:44 2009 |
Alberto | Configuration | LSC | 166 LO Disconnected |
|
|
|
2395
|
Fri Dec 11 09:30:09 2009 |
Koji | Configuration | LSC | 166 LO Disconnected | They
must not be dBm, must be dB
|
|
|
2396
|
Fri Dec 11 11:42:26 2009 |
Alberto | Configuration | LSC | 166 LO Disconnected |
|
|
|
2398
|
Fri Dec 11 14:12:32 2009 |
rana | Configuration | LSC | 166 LO Disconnected |
Seems like very strange cable
loss numbers. The Heliax is lossier than |
|
|
2402
|
Fri Dec 11 19:51:13 2009 |
Alberto | Configuration | LSC | 166 LO Disconnected |
|
|
|
2389
|
Thu Dec 10 17:05:21 2009 |
Alberto | Configuration | LSC | 166 MHz LO SMA-to-Heliax connection repaired | I replaced the SMA end connector for the
166 MHZ Local Oscillator signal that goes
to the back of the flange in the 1Y2 rack. |
|
|
2545
|
Mon Jan 25 16:30:37 2010 |
Alberto | Update | ABSL | 166 MHz sideband turned off | I turned off the modulation at 166MHZ
becasue I don't need it if I'm only locking
the PRC. |
|
|
2546
|
Mon Jan 25 16:46:33 2010 |
Alberto | Update | ABSL | 166 MHz sideband turned off |
|
|
|
2547
|
Tue Jan 26 03:28:56 2010 |
rana | Update | ABSL | 166 MHz sideband turned off |
You can turn the 166 off if
you want. MZ is unhappy after its turned |
|