ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
2023
|
Tue Sep 29 22:51:20 2009 |
Koji | Update | MZ | Possible gain mis-calibration at other places (Re: MZ work done) | Probably there is the same mistake for
the PMC gain slider. Possibly on the FSS
slider, too??? |
|
2022
|
Tue Sep 29 21:51:32 2009 |
Koji | Update | MZ | MZ work done : some noise checking | The previous "+15" was Vctrl
= 0.25 [V]. Which was +18 dB.
|
|
2021
|
Tue Sep 29 21:37:09 2009 |
rana | Update | MZ | MZ work done : some noise checking | Since we used to run with a gain slider
setting of +15 dB on the MZ, I wanted to
check that the new setting of +30dB was OK. |
|
2020
|
Tue Sep 29 18:21:41 2009 |
Koji | Update | MZ | MZ work done | The
MZ work completed. I replaced
the bad cross connection terminal. The gain |
|
2019
|
Tue Sep 29 16:14:44 2009 |
rob | Configuration | Electronics | Rob is breaking stuff.... |
|
|
2018
|
Tue Sep 29 12:47:08 2009 |
Koji | Update | MZ | MZ unlocked | 12:45 I started the work on MZ. Thus the
MZ was unlocked.
Found the bad connection on the FLKM |
|
2017
|
Tue Sep 29 10:44:29 2009 |
Koji | Update | MZ | MZ investigation | Rana, Jenne, Koji
Last night we checked MZ. The apparent
thing we found was the gain slider does not |
|
2016
|
Tue Sep 29 01:50:10 2009 |
rob | Configuration | LSC | new modulation frequencies | Mode cleaner length measured tonight.
33196198 |
|
2015
|
Mon Sep 28 23:44:18 2009 |
Koji | Omnistructure | SAFETY | Crappy power outlet | Jenne, Koji
Tonight we found that the wireless
for Martian network was down. |
|
2014
|
Mon Sep 28 23:13:14 2009 |
Jenne | Configuration | Electronics | Rob is breaking stuff.... | Koji and I were looking for an extender
card to aid with MZ board testing.
Rob went off on a quest to find one. |
|
2013
|
Mon Sep 28 17:39:34 2009 |
rob | Update | PSL | problems | The PSL/IOO combo has not been behaving
responsibly recently.
The first attachment is a 15 day |
 |
2012
|
Mon Sep 28 11:52:23 2009 |
Jenne | Update | Treasure | OAF screen added to the screenshots webpage | I used Kakeru's instructions in elog 1221
to add the C1OAF screen (still called C1ASS_TOP) |
|
2011
|
Mon Sep 28 02:24:05 2009 |
rana | Update | Locking | MC1/3 Dewhitening found OFF: Turned back ON | While trying to make the OAF work, I found
that the XYCOM switches for MC1/3 have been
set in the bad way for awhile. This means |
 |
2010
|
Sun Sep 27 23:21:14 2009 |
rana | Update | PSL | SLOWscan result |
|
|
2009
|
Sun Sep 27 15:25:58 2009 |
Koji | Update | PSL | SLOWscan result | Oh, AMPMON dependence could be an artifact
of the ND filter???
For my case, it should be real dependence |
|
2008
|
Sun Sep 27 14:45:45 2009 |
Koji | Update | PSL | SLOWscan result | I ran (script dir)/PSL/FSS/SLOWscan on
op440m from 11:30 to 12:30 on 27th. Although
Rana and later I myself set "timed bombs" |
 |
2007
|
Sun Sep 27 12:52:56 2009 |
rana | Update | MOPA | Increasing the power from the MOPA | This is a trend of the last 20 days. After
our work with the NPRO, we have recovered
only 5% in PMC trans power, although there's |
|
2006
|
Sat Sep 26 13:55:20 2009 |
Jenne | Update | MZ | MZ was locked in a bad place | I found the MZ locked in a bad place earlier
today. It was locked in a similarly
bad spot yesterday after we fixed the cable |
|
2005
|
Fri Sep 25 19:56:08 2009 |
rana | Configuration | Computers | NTPD restarted on c1dcuepics (to fix the MEDM screen times) | [SIZE=3][FONT=Tahoma]restarted ntp on op440m
using this syntax[/FONT][/SIZE]
|
|
2004
|
Fri Sep 25 19:55:59 2009 |
Jenne | Update | Adaptive Filtering | Subtraction of the microseism using Adaptive Filtering! | [Rana, Jenne]
The OAF system did something useful
today! Attached is a plot. Black |
|
2003
|
Fri Sep 25 17:51:51 2009 |
Koji | Update | MOPA | Solved (Re: Total MOPA power is constant, but the NPRO's power has decreased after last night's activities?) | Jenne, Koji
The cause of the decrease was found
and the problem was solved. We found this |
|
2002
|
Fri Sep 25 16:45:29 2009 |
Jenne | Update | MOPA | Total MOPA power is constant, but the NPRO's power has decreased after last night's activities? | [Koji, Jenne]
Steve pointed this out to me today,
and Koji and I just took a look at it together: |
|
2001
|
Fri Sep 25 16:10:17 2009 |
Jenne | Update | Adaptive Filtering | Some progress on OAF, but more still to be done | [Jenne, Sanjit]
It seems now that we are able to
get the OAF system to do a pretty good job |
|
2000
|
Thu Sep 24 21:04:15 2009 |
Jenne | Update | MOPA | Increasing the power from the MOPA | [Jenne, Rana, Koji]
Since |
|
1999
|
Thu Sep 24 20:17:05 2009 |
rana | Summary | LSC | Comparison of Material Properties for the new RFPD Mounts |
|
|
1998
|
Thu Sep 24 19:35:20 2009 |
rana | HowTo | Photos | 40m Google account | I've created a 40m Google account. Please
post all the 40m related photos to this site.
If you don't already have it, download Picasa |
|
1997
|
Thu Sep 24 15:45:27 2009 |
rob | Update | IOO | MC OLG | I measured the mode cleaner open loop gain
with the HP3563A. |
|
1996
|
Wed Sep 23 20:02:11 2009 |
Jenne | AoG | Computers | Gremlins in the RFM |
|
|
1995
|
Wed Sep 23 19:36:41 2009 |
rana | Update | PSL | RC temperature performance | This first plot shows the RC temperature
channels' performance from 40 days ago, before
we disabled the MINCO PID controller. Although |
  |
1994
|
Wed Sep 23 17:32:37 2009 |
rob | AoG | Computers | Gremlins in the RFM | A cosmic ray struck the RFM in the framebuilder
this afternoon, causing hours of consternation.
The whole FE system is just now coming back |
|
1993
|
Fri Sep 18 16:26:02 2009 |
steve | Summary | PSL | Neslab chiller is OK | Rob found puddles of water very close to
the chiller during lunch time. We raised
the unit and took the side cover off. All |
|
1992
|
Fri Sep 18 16:05:08 2009 |
Jenne | Omnistructure | PSL | water under the laser chiller |
|
|
1991
|
Fri Sep 18 14:25:00 2009 |
rob | Omnistructure | PSL | water under the laser chiller | rob, koji, steve
We noticed some water (about a cup)
on the floor under the NESLAB chiller today. |
|
1990
|
Thu Sep 17 15:05:47 2009 |
rob | Update | Computers | awgtpman on c1omc failing to start |
|
|
1989
|
Thu Sep 17 14:17:04 2009 |
rob | Update | Computers | awgtpman on c1omc failing to start | [root@c1omc controls]# /opt/gds/awgtpman
-2 &
[1] 16618 |
|
1988
|
Wed Sep 16 11:58:11 2009 |
Jenne | Update | Adaptive Filtering | New Filters for Adaptive Filtering | When Sanjit and I were looking at the adaptive
filtering system on Monday and Friday, we
noticed that turning on the Accelerometers |
|
1987
|
Tue Sep 15 15:46:05 2009 |
steve | Update | PEM | PEM and VAC | FSS_RMTEMP is moving up and daily
fluctuations are less . 120 and
16 days plots are below. |
 |
1986
|
Sat Sep 12 15:40:15 2009 |
rana | Update | PSL | RC response v. can temperature | I stepped the RC can temperature |
 |
1985
|
Fri Sep 11 17:11:15 2009 |
Sanjit | Update | ASS | OAF: progress made | [Jenne & Sanjit]
Good news: We could successfully
send filtered output to MC1 @ SUS. |
|
1984
|
Fri Sep 11 17:07:45 2009 |
Jenne | Update | Adaptive Filtering | Minor changes to ASS_TOP_PEM screen. | There was some uncertainty as to which
channels were being input into the Adaptive
Filtering screen, so I checked it out to |
|
1983
|
Thu Sep 10 18:25:15 2009 |
rana | Update | PSL | c1psl rebooted for new RCPID database settings | I added a new database record (C1:PSL-FSS_RCPID_SETPOINT)
to allow for changing of the RC setpoint
while the loop is on. This will enable us |
|
1982
|
Thu Sep 10 17:47:25 2009 |
Jenne | Update | Computers | changes to the startass scripts | [Rana, Jenne]
While I was mostly able to restart
the c1ass computer earlier today, the filter |
|
1981
|
Thu Sep 10 15:55:44 2009 |
Jenne | Update | Computers | c1ass rebooted | c1ass had not been rebooted since before
the filesystem change, so when I was sshed
into c1ass I got an error saying that the |
|
1980
|
Wed Sep 9 10:13:31 2009 |
steve | Bureaucracy | General | the use of FAX machine, scanner & toaster |
You said that the use of FAXST
was forbidden for phds and graduate students. |
|
1979
|
Tue Sep 8 20:25:03 2009 |
Jenne | Omnistructure | DMF | DMF restarted |
|
|
1978
|
Tue Sep 8 20:15:33 2009 |
rana, jenne | Summary | PSL | RC temperature servo: Heater Voltage noise | We measured the voltage noise of the
heater used to control the RC can temperature.
It is large. |
 |
1977
|
Tue Sep 8 19:36:52 2009 |
Jenne | Omnistructure | DMF | DMF restarted | I (think I) restarted DMF. It's on
Mafalda, running in matlab (not the complied
version which Rana was having trouble with |
|
1976
|
Tue Sep 8 19:30:33 2009 |
rana | Update | PSL | c1psl rebooted for new RCPID database settings | The RC thermal PID is now controllable
from its own MEDM screen which is reachable
from the FSS screen. The slowpid.db and |
  |
1975
|
Tue Sep 8 17:57:30 2009 |
Jenne | Update | PEM | All the Acc/Seis working again | All of the accelerometers and seismometers
are plugged in and functional again.
The cables to the back of the accelerometer |
|
1974
|
Tue Sep 8 16:01:52 2009 |
steve | Configuration | VAC | RGA was separeted from IFO | The RGA isolation valve VM1 was closed
since Aug 24, 2009 I installed the
new UPS that time. |
|