| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14781
|
Fri Jul 19 19:44:03 2019 |
gautam | Update | CDS | Database file test | Summary:
The database files for C1ISCAUX
seem to work file - the exception being the |
|
|
14771
|
Thu Jul 18 10:46:04 2019 |
gautam | Update | CDS | Database files made | I completed the translation of the .db
files for the EPICS database records from
the VME notation to the Acromag/Modbus/Asyn |
|
|
11830
|
Tue Dec 1 10:52:52 2015 |
Steve | Update | General | Dataviewer | Dataviewer x axis end is not there.
On ( 2600 days) longer plots it
is missing 8 moths and on (100 days) shorther |
|
|
9137
|
Wed Sep 18 11:29:43 2013 |
manasa | Update | CDS | Dataviewer cannot connect to fb | Masayuki pointed out that dataviewer wasn't
connecting to the fb this morning.
When I started dataviewer from the |
|
|
9138
|
Wed Sep 18 11:52:53 2013 |
Jamie | Update | CDS | Dataviewer cannot connect to fb |
|
|
|
14782
|
Fri Jul 19 22:48:08 2019 |
Kruthi | Update | | Dataviewer error | I'm not able to get trends of
the TM adjustment test that Rana had
asked us to perform, from the dataviewer. |
|
|
14783
|
Sat Jul 20 01:03:37 2019 |
gautam | Update | | Dataviewer error | What channels are you trying to read?
|
|
|
10611
|
Wed Oct 15 17:18:10 2014 |
Jenne | Update | Computer Scripts / Programs | Dataviewer fix with Ubuntu 12.04 |
I have modified the Dataviewer
launcher (which runs when you either click |
|
|
11832
|
Tue Dec 1 16:55:04 2015 |
Steve | Update | VAC | Dataviewer fixed | Q adjusted the Dataviewer so it is not
chopping of data any more. Thanks.
|
|
|
13655
|
Sun Feb 25 00:03:12 2018 |
gautam | Update | ALS | Daughter board prototyping | Using one of the prototype |
|
|
13657
|
Mon Feb 26 20:55:56 2018 |
rana | Update | ALS | Daughter board prototyping | Looks good.
* for bypass type applications,
you don't have to use Wima caps (which |
|
|
13658
|
Tue Feb 27 21:10:45 2018 |
gautam | Update | ALS | Daughter board testing | I thought a little bit about the next steps
in testing the daughter board. The idea is
to install this into the existing 1U chassis |
|
|
1341
|
Thu Feb 26 19:59:23 2009 |
Yoichi | Update | Locking | Daytime locking | Osamu, Yoichi
We tried locking today from about 2PM.
|
|
|
201
|
Wed Dec 19 15:51:00 2007 |
Andrey | Update | Computer Scripts / Programs | Daytime measurements in XARM and their results |
I was making measurements in XARM for three
different nights. All the results agree with |
11x |
|
14975
|
Thu Oct 17 12:34:51 2019 |
gautam | Update | General | Daytime wishlist | Some ideas that would help increase the
locking duty-cycle in the short term.
Seismometer investigation |
|
|
13010
|
Tue May 23 22:58:23 2017 |
gautam | Update | General | De-Whitening board noises | Summary:
I |
|
|
15783
|
Thu Jan 28 22:34:21 2021 |
gautam | Update | SUS | De-whitening | Summary:
We will need de-whitening
filters for the BHD relay optics in order |
|
|
1680
|
Tue Jun 16 17:38:35 2009 |
rob | Update | Locking | DeWhites ON | With the common mode servo bandwidth above
30kHz and the BOOST on (1), I was able to
switch on the test mass dewhitening. |
|
|
17267
|
Tue Nov 15 16:34:55 2022 |
alex | Update | General | Debian with Sensoray | I have confirmed the ability to install
the sensoray drivers on Debian 11 in a virtual
machine environment. I will |
|
|
3216
|
Wed Jul 14 11:54:33 2010 |
josephb | Update | DAQ | Debugging Guralp and reboots | This is regards to zero signal being reported
by the channels C1:PEM-SEIS_GUR1_X, C1:PEM-SEIS_GUR1_Y,
and C1:PEM-SEIS_GUR1_Z. |
|
|
3220
|
Wed Jul 14 16:39:06 2010 |
Jenne | Update | DAQ | Debugging Guralp and reboots | [Joe, Jenne]
Joe got on the phone with Alex, and
Alex's magic Alex intuition told him to ask |
|
|
7174
|
Tue Aug 14 11:39:13 2012 |
Jamie, Rolf, Alex | Update | CDS | Debugging of c1sus machine and c1rfm models | Rolf and Alex came over this morning to
see if they could help debug some issues
we have been seeing with IPC transmission |
|
|
7176
|
Tue Aug 14 11:49:15 2012 |
Den | Update | CDS | Debugging of c1sus machine and c1rfm models |
|
|
|
4406
|
Fri Mar 11 18:32:45 2011 |
josephb, Chris, Jamie | Update | CDS | Debugging simplant damping | The FM1 filter module change for XXSEN
was propagated to the ETMX suspension.
This was a change from a 30,100:3 with a |
|
|
10775
|
Wed Dec 10 16:12:29 2014 |
manasa | Summary | General | Dec 10 - PSL table |
|
|
|
10792
|
Fri Dec 12 15:19:04 2014 |
manasa | Summary | General | Dec 12 - PSL table |
|
|
|
10765
|
Mon Dec 8 15:54:39 2014 |
manasa | Summary | General | Dec 8 - Check Frequency Counter module |
|
|
|
10766
|
Mon Dec 8 20:53:51 2014 |
diego | Summary | General | Dec 8 - Check Frequency Counter module |
|
|
|
10770
|
Tue Dec 9 16:06:46 2014 |
diego | Summary | General | Dec 8 - Check Frequency Counter module |
|
|
|
10767
|
Tue Dec 9 00:30:27 2014 |
manasa | Summary | General | Dec 9 - Elaborate to do list |
|
|
|
10771
|
Tue Dec 9 16:07:16 2014 |
manasa | Summary | General | Dec 9 - FC module and fiber chassis |
|
|
|
12703
|
Wed Jan 11 19:20:23 2017 |
Max Isi | Update | Summary Pages | December outage | The summary pages were not successfully
generated for a long period of time at the
end of 2016 due to syntax errors in the PEM |
|
|
12709
|
Thu Jan 12 23:22:34 2017 |
rana | Update | Summary Pages | December outage | Pages still not working: PEM and MEDM blank.
Committed existing MEDM
grabbing scripts to SVN. Ran the cron job |
|
|
12713
|
Fri Jan 13 14:33:00 2017 |
MAX (not Rana) | Update | Summary Pages | December outage | PEM config file was also lacking a section
named "summary", which is necessary
for all parent tabs; this has now been solved. |
|
|
12435
|
Tue Aug 23 22:58:16 2016 |
Koji | Update | Electronics | Decoupling capacitor 101 | What I suggested was:
- For most cases, power decoupling
capacitors for the regulators should be ~100nF |
|
|
12437
|
Wed Aug 24 14:44:33 2016 |
Praful | Update | Electronics | Decoupling capacitor 101 | Do these look good for the ceramic capacitors?
We're running low.
http://www.mouser.com/ProductDetail/Vishay-BC-Components/K104K15X7RF53L2/?qs=sGAEpiMZZMuMW9TJLBQkXmrXPxxCV7CRo6C15yUYAos%3d |
|
|
12438
|
Wed Aug 24 19:37:55 2016 |
Koji | Update | Electronics | Decoupling capacitor 101 | Yes
Interesting articles how they should
only be used for power decoupling and not |
|
|
7759
|
Wed Nov 28 23:18:35 2012 |
Charles | Update | PEM | Decreased RMS in Seismometers | The attached plots display RMS noise from
various accelerometers and seismometers over
the past 90 days. One can see how after the |
|
|
7762
|
Thu Nov 29 02:43:48 2012 |
Ayaka | Update | PEM | Decreased RMS in Seismometers |
|
|
|
7763
|
Thu Nov 29 09:58:06 2012 |
Den | Update | PEM | Decreased RMS in Seismometers |
|
|
|
6625
|
Tue May 8 16:43:15 2012 |
Jenne | Update | CDS | Degenerate channels, potentially a big mess | Rana
theorized that we're having problems with
the MC error signal in the OAF model (separate |
|
|
15917
|
Fri Mar 12 19:44:31 2021 |
gautam | Update | LSC | Delay line | I may want to use the delay line phase
shifter in 1Y2 to allow remote actuation
of the REFL11 demod phase (for the AO path, |
|
|
15927
|
Wed Mar 17 00:05:26 2021 |
gautam | Update | LSC | Delay line BIO remote control | While Koji is working on the REFL 11 demod
board, I took the opportunity to investigate
the non-remote-controllability of the |
|
|
11235
|
Wed Apr 22 11:48:30 2015 |
manasa | Summary | General | Delay line frequency discriminator for FOL error signal | Since the Frequency counters have not been
a reliable error signal for FOL PID loop,
we will put together an analog delay line |
|
|
11236
|
Wed Apr 22 14:56:18 2015 |
manasa | Summary | General | Delay line frequency discriminator for FOL error signal | [Koji, Manasa]
Since the bandwidth of the fiber
PD is ~ 1GHz, we could design the frequency |
|
|
11270
|
Mon May 4 10:21:09 2015 |
manasa | Summary | General | Delay line frequency discriminator for FOL error signal | Attached is the schematic of the analog
DFD and the plot showing the zero-crossing
for a delay line length of 27cm. The bandwidth |
|
|
11272
|
Mon May 4 12:42:34 2015 |
manasa | Summary | General | Delay line frequency discriminator for FOL error signal | Koji suggested that I make a cosine fit
for the curve instead of a linear
fit. |
|
|
11300
|
Mon May 18 14:46:20 2015 |
manasa | Summary | General | Delay line frequency discriminator for FOL error signal | Measuring the voltage noise
and frequency response of the Analog Delay-line
Frequency Discriminator (DFD) |
|
|
11044
|
Tue Feb 17 16:44:04 2015 |
Koji | Update | LSC | Delay line installed again | For tonight's experiment, I re-installed
the delay line cable and changed the attenuation
to 10dB for the 55MHz modulation. |
|
|
11059
|
Mon Feb 23 21:57:13 2015 |
Koji | Update | LSC | Delay line installed again (experiment, round 1) | Last Wednesday we tried PRMI 3f modulation
cancellation. Under the 3f modulation cancellation,
the PRMI could not be locked |
|