| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12769
|
Sat Jan 28 12:05:57 2017 |
jamie | Update | CDS | test of new daqd code on fb1 |
|
|
|
3625
|
Thu Sep 30 11:07:20 2010 |
josephb, alex | Update | CDS | test points starting to work | The centos 5.5 compiled gds code is currently
living on rosalba in the /opt/app directory
(this is local to Rosalba only). It |
|
|
2306
|
Fri Nov 20 11:14:22 2009 |
josephb, alex | Configuration | Computers | test points working on megatron and we may have filters with switch outputs built in | Alex tooked at the channel definitions
(can be seen in tpchn_C1.par), and noticed
the rmid was 0. |
|
|
13684
|
Thu Mar 15 17:33:56 2018 |
Kira | Update | PEM | test setup | I have attached the setup I completed today.
The metal box contains the heater circuit
and the board for the temperature sensor |
|
|
13691
|
Tue Mar 20 16:56:01 2018 |
Kira | Update | PEM | test setup | The MOSFET was getting pretty hot, so I
switched it out to a larger heat sink and
it's fine now. I then used a function |
|
|
13692
|
Tue Mar 20 19:48:10 2018 |
gautam | Update | PEM | test setup | according to the temp sensor readout, which
was ~-3.35V which corresponds to ~335K, the
temperature of the can is now 60 |
|
|
13700
|
Fri Mar 23 12:00:20 2018 |
rana | Update | PEM | test setup | we don't ever want to use our 16 kHz
real time system for such low frequency action;
its main purpose is for real-time controls, |
|
|
13701
|
Fri Mar 23 12:45:08 2018 |
Kira | Update | PEM | test setup | I fit the data that we got from the test.
The time constant for the cooling came out
to be about 4.5 hours. The error is quite |
|
|
13859
|
Thu May 17 15:38:19 2018 |
Kira | Update | PEM | test setup with seismometer | I've moved my setup to the actual seismometer.
I attached the temperature sensor to the
seismometer (attachment 1) with duct tape, |
|
|
13864
|
Fri May 18 14:33:34 2018 |
Kira | Update | PEM | test setup with seismometer | Here is the result of my test. I think
I'll leave the can on over the weekend
because there's a long period of time |
|
|
13871
|
Mon May 21 10:15:35 2018 |
gautam | Update | PEM | test setup with seismometer | I guess it's fine for now while we
are still finalizing the setup at EX, but
we should eventually line up the seismometer |
|
|
13872
|
Mon May 21 14:17:28 2018 |
Kira | Update | PEM | test setup with seismometer | I have attached the graph for the seismometer
temperature fluctuations over 3 days. As
we can see, there is a noticeable fluctuation |
|
|
13877
|
Tue May 22 14:49:03 2018 |
Kira | Update | PEM | test setup with seismometer | It appears that one of the wires was disconnected
overnight or this morning so I wasn't
able to gather data over a full 24 hour period. |
|
|
13882
|
Wed May 23 14:50:33 2018 |
Kira | Update | PEM | test setup with seismometer | This time the test went without issue.
The first attachment is the data for the
past 24 hours and the second attachment is |
|
|
3604
|
Fri Sep 24 00:56:35 2010 |
koji, tara | Update | Electronics | testing TTFSS | We
found that a transistor was broken from yesterday
spark too. We partially fixed TTFSS, and |
|
|
3607
|
Fri Sep 24 23:47:10 2010 |
koji, tara | Update | Electronics | testing TTFSS | Q3, a PZT2222A transistor,
on D0901846 is replaced by a GE-82. However,
the board is still not fully function. |
|
|
3608
|
Sat Sep 25 19:01:13 2010 |
Koji | Update | Electronics | testing TTFSS | How much current do you need for each voltages?
GE-82 was the only PNP transister
I could find in the lab. It's too old but |
|
|
5324
|
Tue Aug 30 11:42:29 2011 |
jamie | Update | CDS | testpoint.par file found to be completely empty | The testpoint.par file, located at /opt/rtcds/caltech/c1/target/gds/param/testpoint.par,
which tells GDS processes where to find the
various awgtpman processes, was completely |
|
|
6844
|
Thu Jun 21 09:01:18 2012 |
steve | Update | STACIS | the resurrection of STACIS -surf | There is a small wood cabinet under the
south end flow bench, labeled STACIS.
Unit is complete with extension cards |
|
|
3697
|
Tue Oct 12 15:51:18 2010 |
yuta | Bureaucracy | SAFETY | the 40m squad received safety training from Peter | Yuta, Joonho, and Suresh received the Basic
Laser Safety Training from Peter King today.
|
|
|
659
|
Fri Jul 11 09:29:02 2008 |
steve | Update | PSL | the PMC still hangs up | Morning alarms:
PMC high voltage is railing, it's auto locker |
|
|
3569
|
Mon Sep 13 21:52:53 2010 |
kiwamu | Update | Green Locking | the X end laser is ON |
I turned ON the laser
at the X end station, which had |
|
|
12453
|
Tue Aug 30 09:51:37 2016 |
Steve | Update | SUS | the chamber HEPA tents are back | How to minimize particles entering the
vacuum envelope.
|
|
|
12458
|
Wed Aug 31 23:01:02 2016 |
gautam | Update | SUS | the chamber HEPA tents are back | Some more numbers we found while working
in/around the chamber today:
|
|
|
4092
|
Thu Dec 23 08:54:32 2010 |
Suresh | Update | elog | the delhi univ syndrome | Sorry folks! I couldnt get to the
elog and didnt know that the elog was crashing
every time I tried to access it. |
|
|
790
|
Mon Aug 4 12:12:20 2008 |
steve | Configuration | VAC | the ifo is at atm | The 40m vac envelope was vented this morning.
P1 is at 760 Torr |
|
|
12429
|
Mon Aug 22 16:33:32 2016 |
Steve | Update | PEM | the lab temp is up | The IFO room temp is up a bit and it is
coming down. The out side temp is not really
high. |
|
|
12431
|
Mon Aug 22 18:35:16 2016 |
Praful | Update | PEM | the lab temp is up | The temperature is decreasing slowly but
is still above 24 C.
|
|
|
12538
|
Fri Oct 7 15:36:03 2016 |
Steve | Update | PEM | the lab temp is up | The IFO room temp is up
|
|
|
57
|
Fri Nov 2 08:59:30 2007 |
steve | Bureaucracy | SAFETY | the laser is ON | The psl laser is back on ! |
|
|
327
|
Thu Feb 21 09:56:26 2008 |
steve | Update | PSL | the laser is back | The laser and the psl recovered.
The water chiller temp is 19.98C and head
temp 18.4C
|
|
|
1631
|
Fri May 29 18:57:09 2009 |
steve | Update | PSL | the laser is back | Steve, Rob and Alberto
Starting capacitor 216 miroFarad |
|
|
326
|
Wed Feb 20 16:24:37 2008 |
steve | Update | PSL | the laser is recovering slowly | Head temp is still 20.5C and decreasing slowly.
Power output 2.9W
NPRO power 22 mW is increasing as head is |
|
|
258
|
Thu Jan 24 11:52:56 2008 |
steve | Update | PEM | the mud is cleaned up & MOPA shutter is opened | Safety glasses are required again!
I have just opened the mopa shutter.
|
|
|
3973
|
Tue Nov 23 10:48:31 2010 |
Koji | Update | IOO | the plan of the day | [Kiwamu/Koji]
- The tanks are open
Plan |
|
|
935
|
Mon Sep 8 10:57:49 2008 |
steve | Update | IOO | the psl and mc are back to normal | The alarm handler is silent this morning.
This is almost unbelievably pleasant after
two mount of harassment.
|
|
|
13521
|
Wed Jan 10 09:49:28 2018 |
Steve | Update | PEM | the rat is back | Five mechcanical traps set inside of boxes.
Red-white warning tape on top of each.
|
|
|
23
|
Mon Oct 29 09:16:31 2007 |
steve | Routine | VAC | the rga is back | We had no filament current since last power
glitch of Oct. 8, 2007
First I thought that the filament was lost, |
|
|
1630
|
Thu May 28 18:41:26 2009 |
steve | Update | PSL | the saga of the chiller is ending | I drained the water and removed side covers
from the Neslab RTE 140 refrigerated water
cooler unit this morning. The hoses to 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. |
|
|
6894
|
Fri Jun 29 11:02:00 2012 |
steve | Update | VAC | the vent is at 500 torr |
|
|
|
8907
|
Tue Jul 23 14:00:03 2013 |
Steve | Update | VAC | the vent is completed | The 40m IFO has reached atmospher
in 5 hours. It is ready to open chamber condition.
The RGA is pumped with the maglev. |
|
|
12007
|
Wed Feb 24 09:06:25 2016 |
Steve | Update | Treasure | the way it happened | Celebration
|
|
|
1490
|
Thu Apr 16 16:37:42 2009 |
Alberto | Update | Auxiliary locking | the zipper | It takes 18 months to double the computational
power of microprocessors but it took man
thousands of years to invent the zipper. |
|
|
1491
|
Thu Apr 16 17:19:44 2009 |
Alberto | Update | Auxiliary locking | the zipper |
|
|
|
8828
|
Thu Jul 11 09:24:03 2013 |
Steve | Update | General | there should be nothing left on optable tops | There are 4 oscilloscopes left on the AP
optical table top.... It's only 25 lbs...
|
|
|
11992
|
Tue Feb 16 09:13:39 2016 |
Steve | Update | General | there was a power outage & EQ | Pasadena reported the Sunday night event
as a power transient caused by the trip of
a power transmission line. This affected |
|
|
933
|
Fri Sep 5 10:36:34 2008 |
steve | Update | PEM | thermostate setting changed | Some one changed the thermostat (old control
room ) setting behind 1Y6 from 73 to 79F
It should be in the elog.
|
|
|
934
|
Fri Sep 5 15:09:50 2008 |
rana | Update | PEM | thermostate setting changed | [quote]Some one changed the thermostat (old
control room ) setting behind 1Y6 from 73
to 79F
|
|
|
936
|
Mon Sep 8 13:47:35 2008 |
steve | Update | PEM | thermostate setting changed | [quote][quote]Some one changed the thermostat
(old control room ) setting behind 1Y6 from
73 to 79F
|
|