| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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. |
|
|
3545
|
Wed Sep 8 11:56:24 2010 |
kiwamu | Summary | CDS | September CDS test plan | Joe and Kiwamu
We discussed about our CDS plan for
this September. The summary of the plan |
|
|
3567
|
Mon Sep 13 12:09:42 2010 |
kiwamu | Summary | General | elog restarted | Elog didn't respond, so I restarted
it with the script.
Before killing the process somehow |
|
|
3576
|
Wed Sep 15 14:34:57 2010 |
josephb | Summary | CDS | Plan for RFM switch over | Steps for RFM switch over:
1) Ensure the new frame builder code
is working properly: |
|
|
3579
|
Wed Sep 15 19:29:13 2010 |
valera | Summary | | PSL power budget |
Location
|
|
|
3596
|
Thu Sep 23 02:23:04 2010 |
koji,tara | Summary | Electronics | Testing new TTFSS | I tested the new table top
frequency stabilization system(TTFSS), |
|
|
3597
|
Thu Sep 23 02:45:30 2010 |
Koji | Summary | Computers | nodus gracefully rebooted | Zach> Nodus seemed to be working fine
again, and I was browsing the elog with no
|
|
|
3603
|
Thu Sep 23 23:24:43 2010 |
rana, johnny, tara | Summary | PSL | AM modulate AOM to measure RefCav Thermo-Optic coefficient | Big Johnny and I hacked a function
generator output into the cross-connect of
the 80 MHz VCO driver so that we could modulate |
|
|
3620
|
Wed Sep 29 12:08:28 2010 |
josephb, alex | Summary | CDS | Last burt save of old controls | This is being recorded for posterity so
we know where to look for the old controls
settings. |
|
|
3647
|
Tue Oct 5 11:42:20 2010 |
kiwamu | Summary | Green Locking | developing green locking plant | With a help from Joe, I made a diagram
of the simulated plant for green locking
in order to get better understanding and |
|
|
3655
|
Tue Oct 5 18:27:18 2010 |
Joonho Lee | Summary | Electronics | CCD cable's impedence | Today
I checked the CCD cables which is connected
to the VIDEOMUX. |
|
|
3657
|
Wed Oct 6 00:32:01 2010 |
rana | Summary | DAQ | NDS2 | This is the link to the NDS2 webpage:
https://www.lsc-group.phys.uwm.edu/daswg/wiki/NetworkDataServer2
We should install this so that we |
|
|
3660
|
Wed Oct 6 14:49:54 2010 |
rana | Summary | lore | Steve on the sea | |
|
|
3685
|
Sun Oct 10 18:09:02 2010 |
Koji | Summary | COC | Phase map interferometer calibration for the data on Oct 8th, 2010 | Summary:
Calibration
of the phase map interferometer was calculated
for the data on Oct 8th, 2010. |
|
|
3686
|
Sun Oct 10 18:28:25 2010 |
kiwamu | Summary | SUS | ITMX OSEM offsets | Because of the in-vac work on Oct. 4th
(see this
entry) , ITMX's OSEM offsets were |
|
|
3689
|
Mon Oct 11 16:09:10 2010 |
yuta | Summary | SUS | current OSEM outputs | Background:
The output range of the OSEM
is 0-2V. |
|
|
3694
|
Mon Oct 11 23:55:25 2010 |
Joonho Lee | Summary | Electronics | CCD cables for output signal | Today
I checked all the CCD cables which is connected
output channels of the VIDEOMUX. |
|
|
3738
|
Mon Oct 18 18:33:46 2010 |
Koji | Summary | COC | Summary of the main mirrors & their phasemap measurement | I have made a summary web page for the
40m upgrade optics.
https://nodus.ligo.caltech.edu:30889/40m_phasemap/ |
|
|
3739
|
Mon Oct 18 22:11:32 2010 |
Joonho Lee | Summary | Electronics | CCD cables for input signal | Today
I checked all the CCD cables which is connected
input channels of the VIDEOMUX. |
|
|
3749
|
Thu Oct 21 01:11:48 2010 |
rana | Summary | Computers | elog change and rossa tex | I deleted
a bunch of categories from the elogd.cfg |
|
|
3753
|
Thu Oct 21 13:05:19 2010 |
Koji | Summary | Computers | elog change and rossa tex | This is cool |
|
|
3765
|
Fri Oct 22 19:53:27 2010 |
yuta | Summary | CDS | conversion failure in digital filters | (Rana, Joe, Yuta)
We now understand that we never succeeded |
|
|
3770
|
Sat Oct 23 14:42:01 2010 |
yuta | Summary | CDS | damped MC suspensions | After replacing filters, MC suspensions
damped last night.
Further measurement next time. |
|
|
3771
|
Sun Oct 24 18:06:35 2010 |
kiwamu | Summary | Locking | setup for green beat | |
|
|
3774
|
Mon Oct 25 02:14:38 2010 |
Koji | Summary | Locking | setup for green beat | - What is the actual photocurrent for the
beam1 and beam2? We don't care how much power
do you have before the BS, but care how much |
|
|
3815
|
Thu Oct 28 23:17:15 2010 |
yuta | Summary | CDS | [EMERGENCY] accidentally deleted daqd | Rana showed me that if c1sus machine runs
c1mcs stuff(and c1x02 stuff) only, we can
use dataviewer without crashing fb. |
|
|
3816
|
Fri Oct 29 01:18:03 2010 |
Koji | Summary | SUS | PRM standoff glued | [Suresh Koji]
The standoff glued. The incandescent
lamp set for curing the epoxy. |
|
|
3821
|
Fri Oct 29 11:25:15 2010 |
josephb, yuta | Summary | CDS | [EMERGENCY] accidentally deleted daqd | Problem:
Missing daqd file, i.e. the framebuilder
executable. |
|
|
3828
|
Fri Oct 29 18:37:33 2010 |
yuta | Summary | CDS | daqd and current CDS status | Background:
Before Joe left(~ 1 hour ago),
fb was working for a while. But after he |
|
|
3829
|
Sat Oct 30 05:27:53 2010 |
yuta | Summary | CDS | CDS time delay measurement | Motivation:
We want to know the time delay
of CDS in the IOP scheme. |
|
|
3830
|
Sat Oct 30 14:35:43 2010 |
Koji | Summary | CDS | CDS time delay measurement | Unsatisfactory.
Neglecting the digital anti-imaging |
|
|
3831
|
Sun Oct 31 00:19:35 2010 |
rana | Summary | Computer Scripts / Programs | HP3563A netGPIB function | I've wheeled the old HP audio frequency
signal analyzer into the control room to
debug the GPIB/python interface. The wireless |
|
|
3838
|
Mon Nov 1 15:47:15 2010 |
yuta | Summary | CDS | CDS time delay measurement | Background:
I measured CDS time delay last
week, but because of my lack of understanding |
|
|
3839
|
Mon Nov 1 16:43:24 2010 |
Koji | Summary | CDS | CDS time delay measurement | Um, Beautiful. |
|
|
3841
|
Mon Nov 1 19:32:08 2010 |
yuta | Summary | CDS | fb crashed? during c1ioo and c1mcs connection at ASC | Frame builder
died again!! |
|
|
3849
|
Wed Nov 3 02:23:11 2010 |
yuta | Summary | CDS | checking whitening filter board | Summary:
Last night, I found that some
of the input channels have wrong hardware |
|
|
3850
|
Wed Nov 3 02:37:39 2010 |
yuta | Summary | Green Locking | coarse locked green beat frequency | (Kiwamu, Yuta)
|
|
|
3851
|
Wed Nov 3 03:00:47 2010 |
Koji | Summary | Green Locking | coarse locked green beat frequency | Wow! Great guys!! |
|
|
3852
|
Wed Nov 3 09:32:00 2010 |
rana | Summary | CDS | Eurocard board swapping | When swapping Eurocard boards, it
is safest to first turn down the power supplies
and then do the swapping. |
|
|
3855
|
Wed Nov 3 17:01:01 2010 |
josephb | Summary | CDS | Comparison of RFM read times | Problem:
RFM reads are slow. Rolf has
said it should take 2-3 microseconds per |
|
|
3869
|
Fri Nov 5 15:20:18 2010 |
josephb, alex | Summary | CDS | 40m computer slow down solved | Problem:
The 40m computers were responding
sluggishly yesterday, to the point of being |
|
|
3872
|
Fri Nov 5 21:49:12 2010 |
rana | Summary | CDS | 40m computer slow down solved |
|
|
|
3875
|
Sat Nov 6 01:54:15 2010 |
Frank | Summary | Computers | virus definition file update on laptop for dinocam | i took
some pictures with the dinocam this afternoon.
I used the laptop computer next to it using |
|
|
3876
|
Sat Nov 6 07:26:54 2010 |
yuta | Summary | IOO | reduced common mode displacement of the beam through MC1 to MC3 | (Koji, Suresh, Yuta)
Summary: |
|
|
3877
|
Sat Nov 6 16:13:14 2010 |
rana | Summary | CDS | 40m computer slow down solved | As part of the effort to debug what was
happening with the slow computers, I disabled
the auto MEDM snapshots process that Yoichi/Kakeru |
|
|
3883
|
Tue Nov 9 05:40:12 2010 |
yuta | Summary | IOO | MC aligning going on | (Suresh, Yuta)
Background: |
|
|
3884
|
Wed Nov 10 02:51:35 2010 |
yuta | Summary | IOO | limitation of current MC aligning | (Suresh, Yuta)
Summary: |
|
|
3885
|
Wed Nov 10 11:46:19 2010 |
Koji | Summary | IOO | limitation of current MC aligning | It didn't make sense in several points.
1. Is the Faraday aperture really
3mm? The beam has the gaussian radius of |
|
|
3886
|
Wed Nov 10 12:21:18 2010 |
yuta | Summary | IOO | limitation of current MC aligning | 1. We didn't measure the aperture size
last night. We have to check that.
|
|
|
3887
|
Wed Nov 10 14:28:33 2010 |
Koji | Summary | IOO | limitation of current MC aligning | 1. Look at the Faraday.
2. Look at the wiki. There is the
optical layout in PNG and PDF. |
|