ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
11473
|
Fri Jul 31 10:36:22 2015 |
Steve | Update | PEM | X seismo station short cable removed |
|
|
11475
|
Sat Aug 1 20:46:29 2015 |
Koji | Update | PEM | X seismo station short cable removed | OMG |
|
11487
|
Mon Aug 10 15:25:05 2015 |
Steve | Update | PEM | wasp nest | The wasp nest will be removed tomorrow
from from the out side of the east arm window.
The resonant frequency of the newly |
|
11493
|
Tue Aug 11 11:56:36 2015 |
Ignacio, Jessica | Update | PEM | Wasps obliterated maybe... | The wasp terminator came in today. He obliterated
the known wasp nest.
|
  |
11497
|
Wed Aug 12 11:44:13 2015 |
ericq | Update | PEM | Gur2 Channels still wonky | In previous elogs, we saw that the X and
Y spectra out of GUR2 (X end Guralp seismometer)
looked strange (i.e. inconsistent with the |
|
11505
|
Fri Aug 14 09:07:45 2015 |
Steve | Update | PEM | Gur interface box is wonky | Atm1, Before cable swap
Atm2, The long cables were swapped
at the input of the interface box. |
 |
11506
|
Fri Aug 14 12:10:08 2015 |
Koji | Update | PEM | Gur interface box is wonky | Let's dismantle the I/F unit from the
rack and connect the cable with the lid open.
We need to trace the signal. |
|
11507
|
Fri Aug 14 17:20:01 2015 |
Jenne | Update | PEM | Gur interface box is wonky | IIRC, the Guralp box's 3rd set of channels
do not have all of the modifications that
were made on channels 1 and 2. |
|
11512
|
Mon Aug 17 17:48:12 2015 |
Koji | Update | PEM | Wasps obliterated maybe... | We found the same wasp in the 40m. Megan
found it walking behind Steve desk! |
|
11514
|
Tue Aug 18 11:16:17 2015 |
Steve | Update | PEM | Gur interface box is wonky | The Guralp ADC interface box
D060506 is ready for inspection. It is in
front of 1X1 with open top and running. |
|
11517
|
Wed Aug 19 07:58:25 2015 |
Steve | Update | PEM | Gur interface box | Koji and Steve,
We took transferfunctions of each
channel yesterday. They were |
|
11520
|
Thu Aug 20 11:31:55 2015 |
Koji | Update | PEM | Gur interface box | As reported previously, the transfer functions
of the channels look fine. (i.e. All channels
almost identical.) |
|
11523
|
Fri Aug 21 17:15:13 2015 |
Steve | Update | PEM | Gur interface box |
|
|
11530
|
Tue Aug 25 16:33:31 2015 |
Ignacio, Steve | Configuration | PEM | Seismometer enclosure copper foil progress | Steve ordered
about two weeks ago a roll of 0.5 mm thick
copper foil to be used for the inside of |
   |
11537
|
Fri Aug 28 17:04:12 2015 |
Steve | Update | PEM | Gur interface box cable | Ara! Onara suru tsu-mori |
|
11540
|
Fri Aug 28 20:20:26 2015 |
rana | Update | PEM | Gur interface box cable | To help find out if Steve really melted
the inside of our precious seismometer, lets
hook it up using the handheld seismo wand |
|
11554
|
Tue Sep 1 10:36:06 2015 |
Steve | Update | PEM | Gurs swapped |
|
|
11582
|
Mon Sep 7 19:46:46 2015 |
rana | Update | PEM | Seismic BLRMS filters | As it turned out, the "STS" BLRMS
filters were all a mess, so I fixed them
up today: |
|
11587
|
Wed Sep 9 15:45:11 2015 |
ericq | Update | PEM | Inverted STS filters in C1OAF | Our online subtraction filters for PRC
angle and MC length were trained on
the raw ADC signals, so I've inverted |
|
11610
|
Thu Sep 17 08:36:14 2015 |
Steve | Update | PEM | earth quake | No damage. The BS sensor UR 0.220 V has
been low for some times.
Dataviewer does not work for long |
  |
11612
|
Thu Sep 17 16:04:09 2015 |
Steve | Update | PEM | Gurs | ETMY - Guralp (B-MIT) was covered with
copper lined can yesterday afternoon. It's
long cable is connected to ADC interface |
|
11659
|
Fri Oct 2 15:11:08 2015 |
Steve | Update | PEM | cable squashed | Cable numbered #53 from Accelerometer 4
to 1X7 / DAQ input c26 was squased while
removing network card from Sun Fire x4600 |
|
11730
|
Wed Nov 4 15:48:58 2015 |
Steve | Update | PEM | ETMX wirestadoff vs EQ | ETMX was not much effected by this 8.3
M Chilian earthquake. It was kicked up and
it was kicking for hours after it. This is |
|
11757
|
Thu Nov 12 10:22:33 2015 |
Steve | Update | PEM | possible vibration for 4days | Building:
San Pasqual walkway East to West
|
|
11895
|
Mon Dec 21 14:31:41 2015 |
Steve | Update | PEM | Rat traps set | Two mechanical and two sticdky traps were
set to catch univited visitor.
Absolutely |
|
11909
|
Tue Jan 5 09:48:52 2016 |
Steve | Update | PEM | Rat trap moved | Our janitor confirmed that Q was not hallucinating
about this animal. The dropping size indicating
a good size one in the IFO room. |
|
11914
|
Wed Jan 6 08:09:04 2016 |
Steve | Update | PEM | 4.5 Mag Banning EQ | IFO restored after 4.5 Mag Banning, Ca
earthquake. |
|
11928
|
Tue Jan 12 08:40:06 2016 |
Steve | Update | PEM | Air cond maintenance | Air condition maintenance is happening.
It should be done by 10am |
|
11949
|
Mon Jan 25 11:06:08 2016 |
Steve | Update | PEM | noisy fan belt replaced | The noisy fan belt on the roof of the control
room was finally replaced on Friday, Jan
22 2016 |
|
11950
|
Tue Jan 26 15:07:47 2016 |
Steve | Update | PEM | accelerometers moved to ETMX | Objective: measure the noise floor
on the optical table and the floor so we
can decide if the table needs better anchoring |
 |
11952
|
Wed Jan 27 08:17:38 2016 |
Steve | Update | PEM | ETMX floor vs table noise |
|
6x |
11954
|
Wed Jan 27 20:51:00 2016 |
rana | Update | PEM | ETMX floor vs table noise | I didn't really appreciate this measurement
until just now. IF you can save the DTT .xml
file with all the traces in it (i.e. NOT |
|
11955
|
Wed Jan 27 23:14:25 2016 |
gautam | Update | PEM | ETMX floor vs table noise |
|
 |
11959
|
Fri Jan 29 08:18:13 2016 |
Steve | Update | PEM | PEM |
|
|
11965
|
Mon Feb 1 09:16:32 2016 |
Steve | Update | PEM | Rat got cut | We got it! Traps are removed.
|
 |
11966
|
Mon Feb 1 14:08:06 2016 |
Steve | Update | PEM | roof condtion is good | It rained hard yesterday. We have not had
this strong downpoor for years. We got |
|
12000
|
Fri Feb 19 15:12:38 2016 |
Koji | Summary | PEM | Guralp Health Check | I measured the guralp raw outputs
and the TFs using the handheld unit and an
FFT analyzer. |
  |
12031
|
Fri Mar 11 16:52:53 2016 |
Steve | Update | PEM | leaky roof | Johannes found dripping water at the vac
rack. It is safe. It is not catching anything.
Actual precipitation was only 0.62" |
 |
12044
|
Wed Mar 23 15:23:12 2016 |
Steve | Summary | PEM | Guralps as connected | We have one calibration sheet of GUR- B, from 26
June 2008, model CMG-T40-0008, |
  |
12046
|
Thu Mar 24 08:20:52 2016 |
Steve | Update | PEM | Guralp-A calibration sheet | Calibration
Data
All Guralp |
|
12047
|
Fri Mar 25 19:17:28 2016 |
Nikhil | Update | PEM | Guralp Seismometers | Calibration
of Guralp Seismometers
Objective |
16x |
12048
|
Fri Mar 25 23:54:04 2016 |
rana | Update | PEM | Guralp Seismometers | Something seems not right. The Guralp response
should be flat in velocity from 0.05-30 Hz.
Why is there any feature at 1 Hz? Saturation |
|
12084
|
Wed Apr 20 14:36:45 2016 |
Steve | Update | PEM | dusty lab | It is worth wiping table top covers. Use
isopropanol soaked lint free wipes.
|
   |
12087
|
Fri Apr 22 13:58:13 2016 |
Steve | Update | PEM | leaky roof is fixed | Dan sealed the leak today.
|
|
12096
|
Thu Apr 28 08:49:47 2016 |
Steve | Update | PEM | possible noise sources schedule |
Building:
Campus (see attached Map)
|
|
12209
|
Tue Jun 21 14:12:10 2016 |
Steve | Update | PEM | vacuum envelope wiped | I wiped down the cranes with wet towel
and Mario our janitor did the chamber tops
with the tubes. |
|
12318
|
Thu Jul 21 08:24:20 2016 |
Steve | Update | PEM | ants alart | The heat drives the ants to the lab!
Make sure the light doors are tight on the
chambers. |
|
12365
|
Wed Aug 3 14:52:37 2016 |
Steve | Summary | PEM | Guralps as connected | Guralps as connected with
pictures |
|
12383
|
Mon Aug 8 10:35:12 2016 |
Steve | Update | PEM | vent 78 day 38 |
|
 |
12406
|
Fri Aug 12 21:26:28 2016 |
rana | Update | PEM | Mic Self Noise | Seems to good to be true. Maybe you're
over fitting? Please put all the traces on
one plot and let us know how you do the parameter |
|