| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
3205
|
Tue Jul 13 11:51:19 2010 |
Jenne | Update | PEM | Gur1 has no signal?!?!?!?! | [Sanjit, Jenne]
Sanjit discovered that the Gur1 channels
are all digital 0. We determined that |
|
|
3211
|
Tue Jul 13 23:20:37 2010 |
Jenne | Update | PEM | Gur1 has no signal?!?!?!?! |
|
|
|
3267
|
Thu Jul 22 13:44:47 2010 |
Jenna | Update | PEM | Guralp seismometer | One of the Guralps [Gur2] has been taken
to the atf gyro lab, along with the breakout
box. |
|
|
3277
|
Fri Jul 23 15:32:02 2010 |
steve | Update | PEM | control room AC set point changed | The control room temp is warmer than usual.
The heat exchanger Office Pro 18 set point
was lowered from 70 to 68F yesterday. |
|
|
3288
|
Mon Jul 26 08:51:31 2010 |
steve | Update | PEM | lowering AC setpoint by 2F makes PSL happy |
|
|
|
3297
|
Tue Jul 27 11:43:24 2010 |
steve | Update | PEM | air quality is bad today | The lab is at 30,000 and Pasadena air is
at 1.1 e+6 particles /cf min of 0.5 micron. |
|
|
3334
|
Fri Jul 30 17:24:22 2010 |
Jenne | Update | PEM | Guralps back in the 40m | I brought the GUR2 seismometer back from
Bridge so I can get some more MC/Seismic
data during the next week while we're pumped |
|
|
3349
|
Mon Aug 2 18:02:46 2010 |
Jenne | Update | PEM | Seismometer Update: Still not good, but perhpas getting better | Today's seismometer diagnosis activities
are still underway, this is just an update
(since I did some reboots): |
|
|
3351
|
Tue Aug 3 01:51:01 2010 |
Jenne | Update | PEM | Seismometer Update: Still not good, but perhaps getting better |
|
|
|
3354
|
Tue Aug 3 11:50:16 2010 |
Jenne | Update | PEM | Seismometer Problem Tracked down | After some cable swapping this morning,
I have determined which cable is bad.
It's the Gur1 cable between the seismometer |
|
|
3355
|
Wed Aug 4 01:44:56 2010 |
Koji | Configuration | PEM | Accelerometer located on and below the PSL table | [Jenne and Koji]
In order to characterize the seismic vibration |
|
|
3356
|
Wed Aug 4 03:01:56 2010 |
Jenne | Update | PEM | Catastrophic Cable Failures |
|
|
|
3362
|
Wed Aug 4 20:15:07 2010 |
Jenne | Update | PEM | Yay! Guralps work again! | After much hassle, the Guralp cable from
the ADC Out of the breakout box to the ADC
is fixed, and |
|
|
3395
|
Tue Aug 10 22:40:55 2010 |
Koji | Summary | PEM | Accelerometer located on and below the PSL table | Result
of the accelerometer measurement
Introduction
We wanted to characterize |
|
|
3422
|
Fri Aug 13 18:32:48 2010 |
steve | Update | PEM | new legs attached to optical table | Koji, Rana and Steve
The floor preparation continued today. |
|
|
3430
|
Tue Aug 17 14:09:15 2010 |
steve | Update | PEM | PSL optical table schedule | Tuesday, 17 August : fill tunnel, set table
height, level table and balance load
Wednesday : grout tripod legs and |
|
|
3435
|
Wed Aug 18 16:42:14 2010 |
steve | Update | PEM | PSL optical table legs load balanced |
Rana, Koji, Alberto and Steve,
Tuesday afternoon |
|
|
3444
|
Thu Aug 19 16:03:59 2010 |
steve | Update | PEM | grouting of PSL tripod legs | The 10' x 6' optical table is seating on
6 tripods. Each tripod leg has 3 feet. They
are supported by jack screws against copper |
|
|
3448
|
Fri Aug 20 15:49:14 2010 |
steve | Update | PEM | grouting is done | The preparation for pouring concrete is
continuing. The grout forms were removed.
Half inch ribbed steel bars were epoxied |
|
|
3449
|
Fri Aug 20 16:17:35 2010 |
steve | Update | PEM | PEM-count channels are not working | C1: PEM-count channels are dead since August
12, 2010 |
|
|
3462
|
Tue Aug 24 11:23:32 2010 |
steve | Update | PEM | tripod leg installation completed | Bertine Robby, Bertin and Jerry completed
the installation by pouring concrete yesterday
and cleaning up today. |
7x |
|
3472
|
Wed Aug 25 16:13:32 2010 |
steve | Summary | PEM | PSL optical table is back into operation at 32.75" level | The tile work was done yesterday after
noon.
This morning Mike Gerfen and me lowered |
|
|
3477
|
Fri Aug 27 11:27:33 2010 |
steve | Update | PEM | crane safety document | I posted the crane safety document on the
40m wiki, vacuum page as 26 August 2010
Please add your comments and corrections. |
|
|
3493
|
Tue Aug 31 10:44:17 2010 |
steve | Update | PEM | concrete sealed | The PSL -leg concrete was sealed with a
single coat of SCOFIELD Cureseal-S to minimize
shedding of particles. |
|
|
3495
|
Tue Aug 31 13:31:00 2010 |
steve | Update | PEM | room temp lowered | I lowered room 101 thermostat setting from
74F to 72F |
|
|
3496
|
Tue Aug 31 14:47:53 2010 |
steve | Configuration | PEM | toilet upgrade | Our toilets were replaced by a green Gerber
1.6 gpf ( 6 lpf ) last week. |
|
|
3497
|
Tue Aug 31 15:26:46 2010 |
rana | Update | PEM | room temp lowered | And I raised it back to 73F. The thermometers
on the wall show 74-75F as the actual room
temp. The dial on the temperature controller |
|
|
3505
|
Wed Sep 1 10:54:15 2010 |
steve | Update | PEM | more crane balancing | Crane balancing at the south end is continuing
today. |
|
|
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. |
|
|
3547
|
Wed Sep 8 16:17:58 2010 |
steve | Update | PEM | particle counter problem | I played with the particle counter this
morning. Now it's running and reading the
correct numbers on the old COCHECKLIST.adl |
|
|
3551
|
Thu Sep 9 11:31:54 2010 |
steve | Update | PEM | accelerometer cable connection | I turned off/on the power to the accelerometers
in order to re rout their connections. I
found cable connector body-nut #3 loose |
|
|
3585
|
Fri Sep 17 17:35:35 2010 |
steve | Update | PEM | cleaned up at 1Y1 PSL rack | Cleaned up cables on the top and bottom.
Vacuumed both areas. We still have some remaining
shading from the MOPA umbilical and more |
|
|
3646
|
Tue Oct 5 09:26:04 2010 |
steve | Configuration | PEM | moved accelerometers | Accelerometers xyz were moved from IOO-south/west
corner to under PSL table. They were turned
off for ~20 minutes. |
|
|
3752
|
Thu Oct 21 12:15:02 2010 |
rana | Update | PEM | 6.9 Mag EQ in Gulf of California |
Magnitude
|
|
|
3808
|
Thu Oct 28 09:16:17 2010 |
steve | Update | PEM | welding in the vertex area | Fire-smoke sensors in the vertex area #2-31,
2-30 east, 2-32 south/MC2 and 2-37 old control
room area are turned off to accommodate the |
|
|
3810
|
Thu Oct 28 13:01:34 2010 |
steve | Update | PEM | crane repair guys left for the day |
|
|
|
3894
|
Thu Nov 11 11:08:26 2010 |
steve | Bureaucracy | PEM | AP table found open | Please remember to cover the optical tables
! |
|
|
3977
|
Tue Nov 23 14:52:28 2010 |
Jenne | Update | PEM | PEM Model Started | Joe showed me what was what with adding
DAQ channels, and I have begun building a simulink |
|
|
3985
|
Wed Nov 24 18:11:26 2010 |
Jenne | Update | PEM | Some progress on getting PEM channels | I have made a little bit of progress on
the PEM channels. I have begun writing
up detailed instructions in the |
|
|
4061
|
Wed Dec 15 18:29:59 2010 |
Jenne | Update | PEM | Seismometer Channels Being Recorded Again | The Seismometer channels are once more
being recorded. Alastair brought Gur1
back from the ATF the other day, and today |
|
|
4165
|
Tue Jan 18 10:25:23 2011 |
steve | Update | PEM | vertex crane work this week | The crane people are here. The Vertex chambers
are covered with plastic. The PSL HEPAs will
be running on high during the day. |
|
|
4269
|
Thu Feb 10 11:16:31 2011 |
steve | Update | PEM | south arm AC turned on | The air condition was off for the south
arm. I turned it on. |
|
|
4386
|
Tue Mar 8 15:23:16 2011 |
steve | Update | PEM | clean room gloves | Ansell
AccuTech
91-300 clean |
|
|
4484
|
Mon Apr 4 11:52:13 2011 |
Jenne | Update | PEM | STS2s unpacked | I unpacked the STS2 seismometers that we
borrowed from LLO. They are sitting
underneath the Xarm, in the middle of the |
|
|
4550
|
Thu Apr 21 08:26:42 2011 |
steve | Update | PEM | PSL enclosure work today | The east side window guides will
be replaced by one long U-channel. There
will be drilling into 2x2 steel frame. It |
|
|
4553
|
Thu Apr 21 15:20:46 2011 |
steve | Update | PEM | PSL enclosure work today |
|
|
|
4825
|
Wed Jun 15 16:37:56 2011 |
Jenne | Update | PEM | PEM AA Board has been diagnosed and fixed | [Jenne, Steve]
After talking with Steve, I had a
look at the PEM's AA board, to see what the |
|
|
4826
|
Thu Jun 16 00:39:08 2011 |
Koji | Update | PEM | PEM AA Board has been diagnosed and fixed | As
seen in the photo, the board has a strange
bulge |
|
|
4937
|
Tue Jul 5 08:32:38 2011 |
steve | Update | PEM | bad air quality in the lab | The fireworks of yesterday showing up in
the lab. Pasadena out side air 6.6 million
cfm for 0.3 micron particles and 1.5 |
|
|
5018
|
Fri Jul 22 14:22:13 2011 |
Ishwita, Manuel | Update | PEM | STS-2 seismometer hardware testing | We have two STS-2 seismometer boxes...
the blue
box & the |
|