| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
13903
|
Thu May 31 15:48:16 2018 |
Kira | Update | PEM | running PID script with seismometer | I have attached the result of running the
PID script on the seismometer with the can
on. The daily fluctuations are no more than |
|
|
13904
|
Thu May 31 17:47:12 2018 |
Koji | Update | Computers | megatron process cleaning up | megatron had full of zombie medm processes
due to some of the screenshot scripts.
I also found that apache2 is running |
|
|
13905
|
Thu May 31 19:51:06 2018 |
Koji | Update | General | WiFi router firmware update / rebooting | The model of our martian wifi router (NETGEAR
R6400) was found in the FBI router list to
be rebooted asociated with the malware "VPNFilter" |
|
|
13906
|
Thu May 31 22:59:27 2018 |
Koji | Configuration | Computers | Shorewall on nodus | [Jonathan Koji]
Shorewall (http://shorewall.net/),
a tool to configure iptables, was installed |
|
|
13907
|
Thu May 31 23:12:17 2018 |
gautam | Update | LSC | DRMI locking attempt | Summary:
I wanted to recover the DRMI locking.
Among other things, Jon mentioned that his |
|
|
13908
|
Fri Jun 1 01:22:50 2018 |
gautam | Update | LSC | DRMI locking restored | As it happened last time, the problem apparently
fixed itself - somehow the act of me disconnecting
the cables and reconnecting them seems to |
|
|
13909
|
Fri Jun 1 19:25:11 2018 |
pooja | Update | Cameras | Synchronizing video data with the applied motion to the mirror | Aim: To synchronize data
from the captured video and the signal applied
to ETMX |
|
|
13910
|
Fri Jun 1 21:47:23 2018 |
Koji | Frogs | General | Touch screen manipulation of the IFO | [Koji Gautam]
We talked about touch interface
of medm. We realized that android (and iOS) |
|
|
13911
|
Sun Jun 3 22:48:59 2018 |
johannes | Update | PSL | aux laser replacement | I brought the NPRO from the Crackle experiment
over to the 40m Lab and set it up on the
PSL table to replace the slowly dying AUX |
|
|
13912
|
Mon Jun 4 02:52:52 2018 |
johannes | Update | PSL | aux laser replacement | > While the laser output is going strong,
the controller displays a power output of
only 10 mW, which makes me think that the |
|
|
13913
|
Mon Jun 4 11:00:37 2018 |
gautam | Update | PSL | aux laser replacement |
Quote:
|
|
|
13914
|
Mon Jun 4 11:34:05 2018 |
Jon Richardson | Update | Cameras | Update on GigE Cameras | I spent a day trying to modify
Joe B.'s LLO camera client-server code
without ultimate success. His codes now runs |
|
|
13915
|
Mon Jun 4 19:41:01 2018 |
keerthana | Update | | Finesse code for cavity scan | The cavity scan data obtained from the
Finesse simulation is attached here. Fig1
indicates the cavity scan data in the absence |
|
|
13916
|
Tue Jun 5 02:06:59 2018 |
gautam | Update | PSL | aux laser first (NULL) results | [johannes,
gautam] |
|
|
13917
|
Tue Jun 5 20:31:42 2018 |
rana | Update | Cameras | Update on GigE Cameras | Aha! Video is back!
I think it would be good to add
a flag whereby the video can be saved to |
|
|
13918
|
Wed Jun 6 10:02:52 2018 |
Steve | Update | VAC | RGA scan | |
|
|
13919
|
Wed Jun 6 10:44:52 2018 |
gautam | Update | VAC | Annulus pressure channels added to frames | [steve,
gautam]
We added the following channels |
|
|
13920
|
Wed Jun 6 14:36:15 2018 |
gautam | Update | LSC | TRX clipping | For some time now, I've been puzzled
by the unreliability of the ASS_X dither
alignment servo. Leaving the servo on, TRX |
|
|
13921
|
Wed Jun 6 14:50:25 2018 |
gautam | Update | General | LSC triggering | I though that the "C1LSC_TRIG_MTRX"
MEDM screen completely controls the triggring
of LSC signals. But today while trying to |
|
|
13922
|
Wed Jun 6 15:12:29 2018 |
Kira | Update | PEM | parts from lab | Got this 1U box from the Y arm that we
could potentially use (attachment 1). It
doesn't have handles on the front but |
|
|
13923
|
Wed Jun 6 17:22:23 2018 |
Koji | Bureaucracy | General | Salvaged junk from yend | While Keerthana and johannes were working
at the end, I made a little cleaning at the
yend. I salvaged large amount of hardware |
|
|
13924
|
Thu Jun 7 10:26:36 2018 |
keerthana | Update | PSL | observing the resonance signal corresponding to the injected frequency. |
(Johannes, Koji,
Keerthana)
The PLL loop ensures that the frequency |
|
|
13925
|
Thu Jun 7 12:20:53 2018 |
gautam | Update | CDS | slow machine bootfest | FSS slow wasn't running so PSL PZT
voltage was swinging around a lot. Reason
was that was |
|
|
13926
|
Thu Jun 7 14:35:26 2018 |
keerthana | Update | elog | Table- useful for doing the scanning. | I think this table will help us to fix
the scanning range of the Marconi frequency.
This will also help in predicting the position |
|
|
13927
|
Thu Jun 7 16:15:03 2018 |
gautam | Update | LSC | TRX clipping | I opted for the quickest fix - I raised
the height of the offending steering mirror
using a 0.25" shim. In the long term, |
|
|
13928
|
Thu Jun 7 20:19:53 2018 |
pooja | Update | | | Just to inform, I'm working in optimus
to develop python code to train the neural
network since it requires a lot of memory. |
|
|
13929
|
Thu Jun 7 20:21:15 2018 |
Koji | Update | Computer Scripts / Programs | /cvs/cds Backup in danger | Local
backup on chiara seems not |
|
|
13930
|
Thu Jun 7 22:36:09 2018 |
not keerthana | Update | PSL | observing the resonance signal corresponding to the injected frequency. | I worked a bit on the PSL table today |
|
|
13931
|
Fri Jun 8 00:36:54 2018 |
gautam | Update | PSL | observing the resonance signal corresponding to the injected frequency. | It isn't clear to me in the drawing
where the Agilent is during this measurement.
Over 40m of cabling, |
|
|
13932
|
Fri Jun 8 01:08:22 2018 |
johannes | Update | PSL | First light of AUX at YEND | Among the things that we hadn't taken
care of yesterday before beginning to look
for transmission signals were the polarization |
|
|
13933
|
Fri Jun 8 01:58:56 2018 |
gautam | Update | LSC | DRMI locking attempt again | Given the various changes to the IFO config
since last Thursday when I was last able
to lock the DRMI, I wanted to try once again |
|
|
13934
|
Fri Jun 8 14:40:55 2018 |
c1lsc | Update | CDS | i am dead | |
|
|
13935
|
Fri Jun 8 20:15:08 2018 |
gautam | Update | CDS | Reboot script | Unfortunately, this has happened (and seems
like it will happen) enough times that I
set up a script for rebooting the machine |
|
|
13936
|
Sun Jun 10 03:46:38 2018 |
Koji | Update | IOO | WFS HEAD SW confusion | I was checking on the slow machine channels
and found something I could not understand.
On the IOO WFS HEAD screen, there |
|
|
13937
|
Sun Jun 10 15:04:33 2018 |
pooja | Update | Cameras | Developing neural network | Aim: To develop a neural network in order
to correlate the intensity fluctuations in
the scattered light to the angular motion |
|
|
13938
|
Mon Jun 11 11:45:13 2018 |
keerthana | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. |
Quantity
|
|
|
13939
|
Mon Jun 11 13:55:33 2018 |
keerthana | Update | General | Project Updates | As of now, I have made the codes needed
to sweep the marconi frequency for taking
the cavity scan data, the photo diode at |
|
|
13940
|
Mon Jun 11 17:18:39 2018 |
pooja | Update | Cameras | CCD calibration | Aim: To calibrate CCD of GigE using LED1050E.
The following table shows some
of the specifications for LED1050E as given |
|
|
13941
|
Mon Jun 11 18:10:51 2018 |
Koji | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | Hmm? What is the definition of the percentage
error? I don't obtain these numbers from
the given values. |
|
|
13942
|
Mon Jun 11 18:49:06 2018 |
gautam | Update | CDS | c1lsc dead again | Why is this happening so frequently now?
Last few lines of error log:
|
|
|
13943
|
Mon Jun 11 19:16:49 2018 |
keerthana | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | The percentage error which I found out
=[(analytical value - finesse value)/analytical
value]*100 |
|
|
13944
|
Mon Jun 11 22:05:03 2018 |
Koji | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | > The percentage error which I found
out =[(analytical value - finesse value)/analytical
value]*100 |
|
|
13945
|
Mon Jun 11 22:18:18 2018 |
keerthana | Update | elog | Comparison of the analytical and finesse values of TMS and FSR. | Oopss !! I made a mistake while taking
the values from my notes. Sorry.
|
|
|
13946
|
Mon Jun 11 22:46:24 2018 |
Koji | Update | IOO | WFS HEAD SW confusion | The unfortunate discovery today was that
the attenuator switches on the IMC WFS heads
are actually assigned to individual segments, |
|
|
13947
|
Mon Jun 11 23:22:53 2018 |
gautam | Update | CDS | EX wiring confusion | [Koji,
gautam]
Per |
|
|
13948
|
Tue Jun 12 03:22:25 2018 |
gautam | Update | LSC | AUX laser shuttered | I worked a bit on recovering the DRMI locking
again tonight. I decided to shutter the AUX
laser on the PSL table at least until I figured |
|
|
13949
|
Tue Jun 12 14:47:37 2018 |
gautam | Bureaucracy | General | Unlabelled components from EX moved to SP table and labelled | Steve mentioned two unlabelled optics were
found at EX, relics from the Endtable upgrade.
One was a 1" 45 deg |
|
|
13950
|
Tue Jun 12 15:32:15 2018 |
Steve | Bureaucracy | General | Salvaged junk from Xend | Koji's collection of Yend components
put away. I cleaned up the Xend bench
today. |
|
|
13951
|
Tue Jun 12 19:27:25 2018 |
pooja | Update | Cameras | CCD calibration | Today I made the led (1050nm) circuit inside
a box as given in my previous elog. Steve
drilled a 1mm hole in the box as an aperture |
|
|
13952
|
Wed Jun 13 01:02:40 2018 |
gautam | Update | LSC | Reliable and repeatable 1f DRMI locking | [koji,
gautam]
With Koji's help, I got repeatable |
|