The Project Control Meeting
Agenda for Monday October 18, 1999 will be:
(Meeting time: 10:30 am Pacific Time)
New staging Building: The parking lot for the new building is now paved.
The store
front door will be installed sometime next week along with the air
lock.
Erosion control work should begin within a month.
Compressors: The new compressors for the buildings have arrived. The
set for the Corner station is installed but not yet hooked up
electrically.
Bake Oven:
----------
(K. Ryan)
LHO Vacuum Bake Oven A load #60, consisting of two reference cavities,
six viewports and misc. reference cavity assembly parts, was released
earlier this week.
Load #61, consisting of numerous SS fasteners, misc. COS components,
Al
plates & posts, Beam Dump glass, Teflon blocks and one magnet,
is vacuum
baking and will be released Monday 10-18-99.
During the cleaning of the parts originally intended to be included
with
load #60, two of three magnets were destroyed. This happened
after the
two were placed in close proximity to each other; they oriented
themselves to "attract" and proceeded to accelerate across the counter
"slamming" into one another and shattering both. Keeping these
two
"very high field strength" magnets seperated is a good example of the
type of special handling instructions that ought to be included on
the
Process Travelers.
Optics:
---------------------
(D. Cook)
We are processing the ETMx-2k core optic to be installed in the x-mid
station.
The replacement of the "wet seats" in BSC7 went
well. The optic alignment
portion is running into problems as the seismic
fine actuators are not
working preventing us from repositioning the
optic table back to its
previous orientation. By referencing the optical
lever and the two survey
targets that Hugh placed on the optic table for
reference, the optics
table returned close enough to its original position
that we could
probably align the ITMy-2k using the PAM magnets.
However, we would be
adjusting the ITMy-2k independent of the FMy-2k
(on the same table) which
could put the FMy-2k further out of alignment,
possibly beyond the reach
of its PAM adjustments. It is important to also
assure that the table
returns to level. One of the seismic actuators
vertical adjustors may be
affecting the level as well. Hopefully by Friday
all will be resolved.
People visiting Hanford and wanting to work unescorted in the LVEA need
to read the current laser safety doc M990297-a-w from DCC, prior to
doing
a walk through. I am trying to push as many bodies through in big groups
to expedite the procedure.
Core Optics Support:
--------------------
(B. Weaver)
Between the SEI activities of last week and this week, I have been doing
preparations for the 18th's big COS installations. I have also been
doing
a few side projects as well. One of these projects is to, finally,
investigate and procure a large ultrasonic cleaning system similar
to
CIT and LLO's. The other project is to construct a vacuum hose
that can
be cleaned and airbaked as Class B hardware, will plumb into the LHO
in-house vacuum system, and can be transported into the chambers for
a
little vacuum clean-up. Lately, I have noticed a lot of particulate
matter (such as bits of foil and fibers - maybe from cleanroom suits?)
on
the floors of the chambers. A stainless steel, Class B vacuum
and nozzle
should be sufficient to pick up most of this matter. Both of
these
projects have been approved by Stan W. or Dennis C.
Seismic Systems:
----------------------
(C. Gray & H. Radkins)
BSC Work:
Hugh worked on the re-alignment for the Beamsplitter after the Seat
replacement last week..
The Fluorel items were switched out on BSC7 this week. This went
fairly
well. (Hugh is busying doing alignment work for that folding
mirror).
Mark has been working on getting the CAS (Coarse Actuation System) online
for BSC7. There were some electrical problems found and they
will be
looked at today.
HAM Work:
The first phase of work on HAMs 1&4 was completed last week; the
Support
Tubes are now connected to external SEI hardware. These chambers
are now
ready for stack installation, pending the availability of "dry" seats.
Instrumentation Work:
Had a complete data run (~36hours) from a seismometer at both sites
over
the weekend. To correlate both signals wrt time, a GPS timestamp
was also
sampled along with the seismometer signals.
Computing:
----------
(C. Patton)
The hacker is back! Again coming in from
IP addresses in Italy and now
with addresses from Texas A&M, UC Berkeley,
and Auburn University
Montgomery, Alabama. Please change your
passwords often!
Did the usual backups, helped with several printer and PC problems and
kept the GC accounting paper work up to date.
Seismic installation: HAM#1: Completed building electrical cables,
Removed and replaced all spring-seats and shims, installed all internal
electrical cabling, performed continuity check on all cables(all O.K.).
The new Viton seats and shims were exposed to clean-room HEPA filtered
air during working hours and purge air off hours from 8:30am Tues. to 2:30pm
Wed.(30hrs. before pump-down began).
HAM#2: Moved clean-room into position, cleaned all parts and equipment,
in process of staging same for seat&shim replacement starting Monday
(10-18-99). (Rich Riesen)
Optics: Assisted Sany and Dave Tanner in bulk and surface scattering tests into OSEMs. As time permits I'm working on some suspended optic mock-ups for the dedication. We're planning to display 3" and 10" acrylic dummies. Finally received the wayward ball lead screw to complete the straddle fixture. (Jonathan Kern)
Using the test small optics suspension, we investigated the coupling among position, pitch and yaw sensing/actuation. First we gave a test-in signal (a sine wave) to the POS-IN, PITCH-IN and YAW-IN (one at a time) to drive a position (pitch, yaw) motion, and monitored the output of a centroid sensor that detected the optical lever's beam (HeNe) reflected by the suspended optic by a spectrum analyzer. We recorded the peaks at 0.1 Hz (driving frequency), 0.83 Hz (pitch eigen frequency), 0.87 (yaw eigen frequency) and 1 Hz (pendulum eigen frequency). All the photo detector in the OSEMS were disabled by zero gain. To get the base line data, we did not adjusted the photo detector/actuator gains. We set all the gains at ~50. The results are as follows:
Actuation part
PSL: Rich Abbot, Peter King and Virginio Sannibale have continued
the installation of the PSL this week. The internal pockels cell was realigned
and the problem of AM modulation seems minimized. Some improvement are
being made on the frequency response of the laser frequency stabilization
servo and it also seems to be working well. The pre-mode cleaner is being
put back in and hopefully will be working soon.Lightwave was here for a
bi-annual meeting and they installed a current shunt on the laser diode
drive which will enable the intensity
stabilization servo to be installed at a later time. (Joe Kovalik)
CDS: Continuing work on graphic displays. Received parts and started fabrication of cross-connection panel for 1X4. Received 3000' of Belden #1801A, 2000' of Belden #6201 & 2000' of Belden #9363. This is cable for the first phase of the PEM installation. (Rus Wooley).
Finished making DB 25 cables for satellite modules. The EPICS directory for PEM version have been set up by Dave Barker in Livingston. All the codes we need to run dust monitors are here. The leftover job is to build them together with the existing EPICS control systems. (Juilien Svoboda)
Facilities: Siemens Inc. has completed the with, and monitor the end station HVAC system from the control room. The End station fire alarm connections to the corner station are still not completed. The hardware for this will be available by the end of October and Siemens will then complete the installation. (Gerry Stapfer)
Community relations: Seventy five
sixth grade students from Doyle Elementary School in Livingston, along
with their teachers, visited LLO on Oct. 12 for a tour. This trip had been
planned for a long time but placed on hold until the access road was completed.
We also presented a brief lesson on polarization of light (a suggestion
originally due to Rai Weiss). A reporter from the Livingston Parish News
covered the event and the story will appear on the front page of this coming
Sunday's "Lifestyle" section of the Sunday edition. Students from Southern
University's SPS visited LIGO last Friday along with Steve McGuire.
Mode Cleaner Controls Commissioning (Nergis M, Peter F)
--------------------------------------------------------------
Characterization of the mode cleaner performance continued
(with Haisheng R, Stan, Bill K and Tom N):
Output beam pointing fluctuations: we set up a quadrant
photodiode in the transmitted beam path to measure the
beam pointing fluctuations. We find that they are completely
dominated by the ~1.5 Hz stack resonance at the level of about
1 urad/rtHz. Spectrum of yaw fluctuations can be found in:
http://www.ligo.caltech.edu/~nergis/LHO/IO/YawFlucts.pdf
We were able to make a ~3x improvement in the beam pointing
fluctuations by reducing the damping gains in the mode cleaner
mirror controllers.
PSL frequency noise: a new spectrum of the PSL frequency noise
as measured with the MC can be found in
http://www.ligo.caltech.edu/~nergis/LHO/IO/psl29sept99.pdf
This uses the vco calibration of 5.37 MHz/V, which we think is
correct for the point we measure it at; this is about a factor
of 2 higher than the calibration used for the previously
distributed spectrum. The power lines were reduced (they were in
the measurement setup).
RFAM on the output beam: we used an LSC RF photodetector tuned
at 29.5 MHz (main ifo modulation frequency) followed by a
demodulator to measure the AM noise on the RF sidebands at the
output of the mode cleaner. The RFAM spectrum had a broad feature
(bump) centered around 200 Hz and was about 10 dB above the noise
floor of the measurement (NOT shot noise, too little light for
this photodetector) throughout a 1 kHz band except at the 200
Hz bump which was 20 dB above the noise floor). The RFAM noise
at the input to the MC is still to be measured to determine the
source of the excess noise.
Diagonalization of suspension controllers: an attempt was made to
diagonalize the local sensors on the MC mirrors by letting the
mirror free swing (no damping) and measuring the ampitude of the
four eigenmodes of the pendulum system in each of the four sensors.
The yaw coupling was successfully reduced by tuning the yaw input
matrix to minimize the other three modes. With the position and
pitch input matrices were tuned based on calculation of the coupled
position/pitch modes of a double pendulum. The sensing matrix
thus determined was not consistent with that deduced from the
optical lever measurements (Sept 09). When we tested the new input
matrix by driving the position input (which we believe to be quite
diagonal based on the optical lever method), cross-coupling to pitch
was at 25%. We are still working to resolve these discrepancies and
characterize the eigenmode method as a means of diagonalizing the
suspensions.
ISC Design / IAS Initial Alignment (K.Mason, M.MacInnis)
-------------------------------------------------------------
The design and documentation of ISCT9 was completed. A dwg and pdf
file can be
found at the Caltech ftp site /pub/kmason/isc,D990136-01-S1 and S2.
Myron is preparing IAS equipment for shipment to Livingston.
The Initial Alignment document has been updated to include the alternate
alignment procedures for realignment when optics have been installed
in the
alignment path.
SEI Flourel spring seat processing support (Matt Smith, Myron MacInnis)
-----------------------------------------------------------------------
This week we shipped batch #s 03 and 04 to Hanford. This is two
complete sets of seats and shims to be installed int BSC4 and 7.
Today we removed batch #s 5 and 6 from the oven. These are going to
be
shipped to Livingston, for installation into LHAMS 1 and 2. The average
weight loss of the sample seats were; .188g(.48%) for the LH seats
and
.231g(.57%) for the RH seats. The shims lost .275 g(.34%) each.
New for this week:
Ken Mason just left for LHO to assist with installation of the COS
output telescopes plus alignment of ITMx, FMx, FMy and ETMy plus
additional optical lever updates.
Myron MacInnis will be at LLO next week to initialize alignment
monuments, install optical lever components and illuminator and camera
housings, and start building up ISC site assembly/test infrastructure
(cleanrooms etc.). This week Myron finished moving our ISC table
production facility and cleanroom back into our larger optics lab,
after replacement of the flooring by MIT. Also began preassembly of
LIOT1 (first LLO sensing table).
SEI Flourel spring seat processing support (Matt Smith, Myron MacInnis)
-----------------------------------------------------------------------
This week we shipped batch #s 07 and 08 to Livingston. This is two
complete sets of seats and shims to be installed into LHAMs 3 &
4.
The average weight loss for the samples were .224 g(.56%) for the RH
seats, .208 g(.54%) for the LH seats, and .907 g(1.11%) for the shims.
For the shims this is 3 times the average weight loss of the other
bake
loads. This is a little suspect. Although the after bake weight is
approximately the same as all the other batches, 80.444 g, the prevac
weight measurement was 81.351, about 500-600mg more than previous prevac
weights-about 80.750g.
Batch # 09, for a WBSC, was loaded into the oven on Tuesday and is
due
to come out Friday morning and shipped to Hanford for Monday.
ISC fabrication (MZ for M. Smith)
----------------------------------
Matt and Ken also met with MZ and developed rework plans for some
optical levers. As-built installation variances have in some cases
resulted in laser safety issues, which can now be eliminated.
-------------------------------------------
Lasers and Optics -- J. Camp
(1.2.1.1.2, 1.2.1.1.3, 1.2.1.1.4,1.2.1.1.5)
--------------------------------------------
Prestabilized Laser -- Peter King
--------------------------------------------
The LLO PSL frequency stabilization servo is now functional, with a
full
bandwidth lock to the reference cavity.
Testing the servo card with a phase-correcting electro-optic
modulator (EOM) located outside the 10-W laser revealed that the problems
encountered were due to the EOM inside the laser. As a result, the
EOM inside
the laser was re-aligned (along with the optics inside the 10-W laser)
to
minimize the amplitude modulation introduced by the EOM. This alignment
was done previously but it was thought that the level of -120 dB would
be
sufficient. Currently the maximum amplitude modulation observed was
approximately -135 dB, with the typical value being around -150 dB.
After
this alignment the frequency servo controls functioned as expected.
Although functional, there are some improvements to be made, as the
frequency servo does not appear to have the same degree of robustness
as
the one deployed at LHO. The EOM portion of the frequency servo loop
oscillates at random intervals due to reasons not known. Open and closed
loop transfer function measurements reveal that the phase margin at
the
unity gain frequency is not as large as expected. One reason for this
is
the pole formed by the capacitance of the cable attached to the EOM
and
a 1k feedback resistor in the EOM driver. Correcting for this pole
at
around 200 kHz, improved the phase trajectory and the robustness, however
investigations are continuing.
- The phase noise of the 80 MHz voltage-controlled oscillator (VCO)
was
measured. This was suggested by Peter Fritschel as a good candidate
for
excess noise in the PSL's frequency noise spectrum.
The VCO's phase noise was measured to be approximately 10 times
that required for the PSL to achieve its frequency noise requirement.
A
substitute oscillator has been found and is being investigated.
- The LLO PSL remained locked to the reference cavity during overnight
testing for the 3 nights tested to date.
- A scratch across the knife edge of a ConFlat flange on one of the
reference cavity vacuum chambers was found. This chamber will be sent
back
to Nor-Cal for repair. It is believed that the flange was damaged in
shipping from Nor-Cal to Caltech.
- SN #103a, the LLO 10-W laser, has been retrofitted with the current
shunt actuator. The operation took approximately 2 hours from laser
shutdown to full operation.
Input/Output Optics -- Dave Reitze, UF
-----------------------------------------
LHO 2k (Haisheng Rong)
- Beam dumps were installed on HAM 7 to block the MC transmitted beam.
- The MC lost alignment after the vent last week; it has been realigned
and locked. The misalignment was mainly due to the input beam. After
the realignment, the input power can be ratcheted up to 1.7 W before
the
MC unlocks. Scattered light within the MC seems to be the culprit.
Further evidence of this: when the input light polarization is
switched from S to P (much lower finesse), the MC stays in lock up
to
4.4 W.
LLO 4k (Sany Yoshida, David Tanner)
- A draft of an SOS quality conformance / work record has been developed
and sent to the SOS/LOS suspenders for comments.
- Using the test small optics suspension, the first investigations
of
cross-coupling for the LLO SOSs were made using a procedure similar
that of Eric Black, et al. driving one mode and using quad
sensors/spectrum analyzer to quantify the cross-coupling. We recorded
the peaks at 0.1 Hz (driving frequency), 0.83 Hz (pitch eigen
frequency), 0.87 (yaw eigen frequency) and 1 Hz (pendulum eigen
frequency). Preliminary results indicate that, with no adjustment,
the
sensing matrix has 10 - 20% cross coupling between the pitch and yaw,
while the unoptimized force matrix has <5%.
- Sany, Greg and David examined the scattered-light being picked up
by
the osem phototransistors (PTs) with and without masks. Aluminum masks
were made with square holes in them about 1/4 x 1/4 inch in size to
fit
over the front and back of the OSEM. Many measurements were done. In
summary, they found that 1) the OSEMS are quite sensitive to
any stray Nd:YAG light and 2) shielding the edge of the PTs from any
direct illumination gives a factor of 3 reduction in the stray-light
pickup.
Core Optics Procurement and Metrology -- GariLynn Billingsley
-------------------------------------------------------------
We received a replacement for the motor controller which allows us
to
set the position the optic under test. Our previous one had died about
a month ago. In the process of replacing the controller we found that
our power supply had gone bad. A possible cause for the death of the
old controller. We have replaced the power supply and are now checking
the system. We should be back online with measurements by Oct. 15th.
Core Optics Coatings -- Helena Armandula
--------------------------------------------------
Assisted with balancing the Recycling Mirror at Livingston. Prepared
several magnet sets.
Core Optics Support -- Michael Smith
------------------------------------
PO TELESCOPE
The assembly of the first production article has almost been completed
by
Ken M. One part still has not been delivered.
ETM TELESCOPE
Based on Dennis Rose's calculations, the focal distance can be adjusted
to
compensate for the existing lens spacer, so the spacers do not need
to be
modified. Also, the focal distance will be adjusted to compensate for
the
difference in focus from 940 nm to 1064 nm. The ETM telescope at CIT
was
successfully focussed with the autocollimator using both 940 nm and
990 nm
wavelengths. The same procedure will be used to focus the ETMy telescope
at
LHO. The focal distance agreed reasonably well with dennis Rose's
calculations.
The remaining 5 production telescopes are expected to be received 10/20.
STEERING MIRRORS
12 sets are being assembled at CIT by Steve B, and will be shipped
to LHO
by 10/15/99.
PO MIRRORS
Awaiting delivery of 4K LHO and 4K LLO PO mirror mounts on 11/8.
VACUUM WINDOW
Widows have been installed in HAM10. BSC6 window will be installed
the week
of 10/25.
ARM CAVITY BAFFLE
First article parts of the Inner baffle assembly have been assembled
by
Paul K. Production is proceeding for the remaining production parts,
subject to a slight modification on several parts. A purchase order
for the
outer support frame will be placed on 10/14. Paul K. is working on
the top
assembly drawings for LHO and LLO, and the hardware list.
CONICAL BAFFLE
Delivery of the remaining production baffles has been delayed due to
equipment difficulties at the vendor.
COS ALIGNMENT PROCEDURE
Received a third IR TV camera and video camera lens for viewing the
autocollimator. Ken M. designed and the shop made an adapter to mount
the
video camera to the autocollimator. Still waiting delivery of Spare
940 nm
and 990 nm laser diodes on 10/27. Mike S. has completed a write-up
of the
revised alignment procedure for the Vertex section. Alignment targets
for
the input to the ETM telescope and the HAM9 autocollimator have been
made.
All of the COS alignment equipment for the vertex alignment and the
BSC6
ETM telescope alignment will be shipped to LHO 10/14/99.
4K IO BAFFLE
Awaiting delivery of the 4K LHO and 4K LLO IO baffles on 11/8.
4K ELLIPTICAL BAFFLE
Awaiting delivery of the 4K LHO and 4K LLO Elliptical baffles on 11/8.
INSTALLATION PLAN
item completion install
Elliptical baffle 4KRM, HAM3 11/12 ?
Elliptical baffle 4KITMy, BSC8 11/12 ?
Beam dump FMYX, BSC8 done pending
Beam dump 4KITMHR3, BSC8 done pending
Beam dump 4KITMHR4, BSC8 done pending
Beam dump 2KRMHR3, BSC4 done pending
Beam dump 2KBSHR3P-2, BSC4 done pending
Beam dump 2KITMXAR1, BSC4 done partial
Beam dump 2KITMXAR4, BSC4 done partial
Beam dump 2KITMXAR4, BSC4 done partial
Beam dump 2KITMXAR4, BSC4 done partial
Beam dump 2KITMyAR1, BSC4 done partial
Beam dump 2KITMyAR4, BSC4 done partial
Elliptical baffle 2KITMx, BSC7 done pending
Elliptical baffle 4KITMx, BSC3 11/12 ?
Beam dump FMXX, BSC7 done pending
Beam dump FMXY, BSC7 done pending
PO Tel, 2KAPS, HAM10 done ?
PO Tel, 2KBS, HAM10 10/15 ?
PO Tel, 2KITMy, HAM10 10/15 ?
PO Tel, 2KITMx, HAM9 10/15 ?
PO Tel, 4KAPS, HAM4 10/15 ?
PO Tel, 4KBS, HAM4 10/15 ?
PO Tel, 4KITMy, HAM3 10/15 ?
PO Tel, 4KITMx, HAM4 10/15 ?
ETMy Tel partial 10/29
ETMx Tel 10/20 ?
Beam dump ETMy vac window done 10/29
Beam dump ETMx vac window ? ?
Arm Cavity Baffle, X-vertex 11/29 ?
Arm Cavity Baffle, Y-vertex 11/29 ?
Arm Cavity Baffle, X-end 11/29 ?
Arm Cavity Baffle, Y-end 11/29 ?
Conical baffle, X-vertex done ?
Conical baffle, Y-vertex 11/15 ?
Conical baffle, X-mid station 11/15 ?
Conical baffle, Y-mid station 11/15 ?
Vacuum window-2KAPS, HAM10 done done
Vacuum window-2KITMy, HAM10 done done
Vacuum window-2KBS, HAM10 done done
Vacuum window-2KITMx, HAM9 done ?
Vacuum window-2KETMX, BSC6 done 10/25
Vacuum window-2KETMY, BSC5 done ?
--------------------------
Isolation Group -- M. Fine
--------------------------
Seismic Design (Mike Fine)
--------------------------------------
1. Electronics Rack #4:
The final electronics rack checkout was completed prior to shipping.
The
rack was fully operational and performed satisfactorily with the exception
of one known bug. Upon powering up the CAS, a noise pulse is generated
resulting in sending a step pulse to the NextStep amplifiers. The motors
for the selected BSC receive the step signal and respond with a motion
of
1 count (1 micron). Hytec found that this occurred at other times when
the interlock signal is interrupted and the signal was reestablished
(i.e. opening and closing the emergency stop button). However, the
software
will return to fault mode and eliminate the possibility of the noise
pulse
reaching the NextStep amplifier. This was not a new issue, each rack
prior
to this one had the same bug, however a different solution was required
for
each rack to eliminate the bug. Hytec spent a number of hours trying
to
identify the cause, but were unable to identify the solution before
it
was time to ship. It is believed that the accumulated motion from this
noise pulse will not be significant enough over the life of LIGO.
2. Electronics Rack Documentation:
The electronics rack documentation has not been completed at this time.
The drawings have been checked against the electronics rack. The
documentation will be cleaned up and delivered to LHO and LLO when
complete.
3. Shipments to LLO:
The remaining cables and junction boxes for BSC1 and BSC2, as well
as a
spare set of cables are being checked. Hytec is planning to ship the
remaining items to LLO on October 19th.
4. LIGO Owned Properties at Hytec:
Hytec is still in possession of a number of items owned by LIGO. These
items will be packaged and shipped to the appropriate locations. The
oscilloscope, B&K shaker, signal analyzer, power amplifier and
one
displacement probe are still being used for the spring testing and
will not
be shipped until it is complete. The remaining items will be shipped
ASAP.
Suspension -- (Janeen Hazel/Mark Barton/Mike Fine)
-------------------------------------------------------------------
1. Report from Janeen:
-Helena and I are in Livingston balancing the RM.
---------------------------------------------------------
Detector Systems Engineering -- D. Shoemaker/D Coyne
(WBS 1.2.1.1.9)
---------------------------------------------------------
Physics Environmental Monitor(Matt Smith, David Shoemaker)
-----------------------------------------------------------------------
PEM installation at LLO (Ed Daw) -- a document entitled 'Plan for
PEM Installation at LIGO Livingston' is in preparation. This document
is a
collection of material from various sources needed to install
PEM sensors at the Livingston site. A first draft has been
circulated to parties who might be interested; contact Ed if
you would like a copy.
-----------------------------------------
Control and Data System -- R. Bork
(WBS 1.2.2)
-------------------------------------------
WA 2K Test CDS: (dale)
=====================
Designed and layed out a Eurocard Slot Tester for checking cabling
to the
Eurocrates as we build and install new boards. 20 PCBs are being fabricated
this week. All parts and front panels have been ordered.
Installed the wiring in 2X6 for Gaby's diagonalization measurements
next week.
Verified that the Timing Ramp of the GPS Clock Driver is working. Dave
and
I are testing to see how precisely we can determine T0 (the start of
the
UTC second) using this ramp.
Data Acquisition
================
- First release of software which stripes trend data by channel is
complete and
being tested at Hanford on a secondary machine.
- In long playback mode, had a bug where xmgr continued to draw heavy
CPU time
even though it didn't appear to be doing anything. This has been fixed
by
rebuilding a newer version of xmgr.
Video
=======
- Ordered larger video switch for Hanford to meet expanding needs;
when unit
arrives, Hanford unit will be changed out and shipped to Livingston.
General
========
- Loaded vxWorks Tornado II; ordered Tornado Board Support Package
(BSP) for our
new MIPS processors (should fix EPICS problems encountered with newer
MIPS
processor boards).
- Contined work on configuration control document.
Suspension (Jay)
=========================
- 10 Satellite modules have been fabricated and are being tested. They
should be ready for shipment to the sites by 10/19.
- The design of coherent detection prototype version of the satellite
amplifier is complete. Board layout has beeen started. It is hoped
that
the board will be ready for tests at LLO on Nov. 10. The amplifier
has
been designed so that it is essentially a plug in replacement for the
exisiting satellite amplifiers.
IFO Controls (Jay)
=========================
- There are a number of signals on various optical tables and in control
racks that need to be monitored by oscilloscopes during the
commissioning of the IFO. Currently these signals are monitored using
BNC cables strung across the floor. This is clearly not acceptable
for
an operational system. At first it was suggested that a series of BNC
patch panels and cables be used to clean up the problem. This
alternative is not acceptable since it will almost certainly compromise
our grounding and shielding plan. We have already seen evidence of
this
at LHO where the 60 Hz on some signals is clearly the result of
inappropriate connection of grounds from one rack bay or table to
another. It has also been suggested that there is a need for analog
signals, both low bandwidth and RF, to be available in the control
room.
If this is accomplished using straight copper connections our grounding
and shielding plan will be completely compromised.
As an outgrowth of these discussions, Jay has begun to collect
requirements for an analog patch panel system that will not defeat
our
grounding and shielding plan. Once these requirements are collected
and
analyzed the system will be costed and possibly a change request
submitted.
LHO 2K One Arm Test
=========================
- 2 LSC One Arm Servo amplifiers have been fabricated, tested and are
ready for installation at LHO.
LHO 2K Controls
=========================
- Database records for the various optical levers have been modified
to
output the correct orientation for each optical lever.
A DRAFT Quarterly Report (end of August) has been distributed for review and some comments received. A Final Draft is in progress.
Change Control/Contingency (Lindquist)
The following change request has
been submitted:
| CR-990018 | WBS 1.1.5 | Beam Tube Bake--Revised Estimate at Completion | W. Althouse |
| CR-990024 | WBS 1.1.1 | Vacuum Equipment--Closeout Louisiana In-House | J. Worden |
Press for the latest Contingency Needs Projection
Everyone is reminded to provide a redlined copy of their current LIGO business card to Ed Jasnow so that we may plug it into the print shop for new ones.
Assisted the Detector Group (C.Conley) with packaging an shipping of ETM Alignment Tool to the LIGO Hanford Observatory (attention B. Weaver). Account number P96958.
Assisted the Detector Group (M. Smith) with packaging
and shipping of ETM Lens Tools, P.O. Telescope Alignment Tool, Post T-Light,
Target Assembly (HAM-9). Sent Back an X-Y Stage Alignment Scope to the
Hanford Observatory (attention B. Weaver). Account number P96937.
Assisted the LIGO Purchasing Department with packaging and shipping of four (4) Amplifier to TEAC of Japan via prepaid DHL voucher. Account number 580093630 for tracking capabilities.
In process of conducting a equipment Inventory of Downs Bldg. ( Three Labs) Bridge and Annex, Millikan Library 6th floor, Synchrotron Building (Two Labs), 40 Meter Lab, and the Wilson facility.
From: Sarita Moore<moore_s@ligo.caltech.edu>
Press here for ACCOUNTS PAYABLE HISTORY DATA.
From: Kris Duncan <kris@ligo.caltech.edu>
I have been working on the monthly financial reports. Webster now has a "Details Listing Page" that provides transaction level details for a given task and period. I no longer have to go into the "Summary Page" and open all the very many '+' (lower details available) signs. I should be able to get the financial information available to the Task Managers much faster. I intend to open all accounts up in a "summary" report, then if anyone needs/wants a lower detailed description they may ask for a private copy to be emailed to them. I will be working with Barbara Kratochwill to set up a directory on the network that contains the monthly reports (much the same as Gary Sanders has the LIGO Weekly Reports). [The good news here is that the current ORACLE Team seems to be addressing some of our problems. Previously the process of assembling a report for all of the LIGO accounts was very tedious and frequently timed out. --pel]
Over a month ago I sent out my usual memo regarding the financial reports for the month of July 1999. I stated that this report was the first one since the conversion from IFIS and it was VERY important that everyone take the time to really look these figures over. "Only the Task Managers can tell if these expenditures/encumbrances are against the correct account and we need to get all corrections started as quickly as possible as it may take a LONG time to get the errors corrected." Since NOBODY has called me regarding errors on the July reports, I MUST assume that everyone is satisfied with the conversion of the expenditures and encumbrances. I MUST also assume that a LIGO Task Manager is willing to pay for Dr. Jeff Kimble's travel... one among other errors that I noticed. [I have emphasized to Cindy that Project Controls must take ownership for initiating corrections where the data is obviously bad. However, the point that she is making is valid, that we have distributed reports where we need input to ferret out the problems, and it would seem that no one has looked at them. --pel]
A modification in the amount of $1,400 will be issued to the Vomar Company for lights for the new entrance signs at the sites. Vomar was required to acquire these lights when the originally-specified lighting company went out of business.
The FY00 budgets for the sites and MIT have been reviewed, and with some revisions, will be completed.
TECHNICAL CONFIGURATION MANAGEMENT (Althouse)
Systems Engineering
No activity to report
Simulation and Modeling
<< ADLIB work >>
[Biplab Bhawal]
* Upgraded summation modules for FP cavity and triangular
cavity.
* Worked with Rick to generate some PSL data using E2E's
model for PSL.
* Started upgrading recycling cavity summation module.
[Matt Evans]
* Working on developing a new modal model for e2e
* Fixed a bug of a matrix calculating the field rotation
* Start to implement and validate matrix doing base change
[Hiro Yamamoto]
* Worked on the power spectrum of the laser noise
* Worked with Matt to develop the modal model code
* Discussed with Anthony about his problem simulating FP
locking
* Prepare for TAMA workshop
* Discussed with Mike about the phasemap data for FFT
<< ALFI work >>
[Ed Maros]
* Worked on fixing bugs of alfi3
* Helped Hiro to install lesstif and wxWindow on his laptop
running
linux
[Bruce Sears]
* Alfi Software Development:
- Continuing the development
of the Alfi Component
Tree.
- General study of the Alfi
code to understand it
better.
LIGO Data Analysis System
[Masha Barnes]
* (MB) Documentation for extended tcl commands for lwAPI:
- added comments on query format.
* (MB) Tested lwAPI on LINUX at Caltech:
- was debugging a Segmentation
Fault;
- met with Kent on how to build
complete ldas system;
- build ldas system;
- tested lwAPI - works!
* (MB) Working on external references handler: until now XML
parser
would expand all external references
when parsing a
document. With our own handler
we can have a default
setting
not to expand external references,
and bring the data
into the
document only on user request.
[Kent Blackburn]
* (JKB) Worked with Phil to identify a bug in the
insertFrameData
command in the frameAPI
that overwrites gps time in
the header
when writing adc data sets.
Also, identified that
several of
the structures from the
frame are not being cast
into the
resulting ILWD objects by
the Tcl script. Identified
some
inconsistencies in the use
of SWIG in the frameAPI.
* (JKB) Met with Masha and Phil to outline development of
the lwAPI's
Tcl layer.
* (JKB) Met with Nathan and Phil to discuss developing new
commands
in C++ to enhance the performance
of the
getFrameData and
insertFrameData commands
in the frameAPI.
* (JKB) Worked with Masha to identify a shared object
loading problem
she was having with the
XML library. The problem is
now solved.
* (JKB) Met with Peter to describe some of the basics of the
Table
designs for the LDAS database.
Peter identified one
problem
with the relationship diagram
for the tables which
lead to
Kent and Mary identifying
a second similar error in
the diagram.
* (JKB) Met with Grace to outline the first prototype MPI
program to
be implemented and tested.
This prototype will
demonstrate
basic dynamic job load balancing
which will be
implemented in
the mpiAPI and the wrapperAPI.
* (JKB) Attended a Raytheon Business Meeting. Charles Elachi
was the
keynote speaker and presented
a view from the solar
system
look into JPL's plans over
the next decade. Our own
Masha
Barnes was also singled
out with an achievement
award...
congratulations to Masha!
[Phil Ehrens ]
* (PSE) Supported Kent, Nathan and Masha in their ongoing
debugging efforts and platform
dependent Tcl issues.
* (PSE) Met with Roy Williams and LDAS staff to discuss the
application of LDAS software
to the TAMA/40m
coincidence
data.
* (PSE) Worked on the Lightweight API and the data socket
code.
[Grace Hu]
* (GH) Finishing reading all the technical documents Kent
gave to me.
* (GH) Creating several MPI binding with C++ samples which
then ran
on multiple processors.
* (GH) Set up both graffias and kitalpha machine working
environment.
* (GH) Starting to learn SWIG tool, hope finish and master
it during
this week.
[Barbara Kratochwill]
* (BK) Finished another iteration of the image map and web
pages for the
LDAS Software Block Diagram.
After some minor
changes, the pages
will be ready to install on spica.
* (BK) Have set up the domain names
www.ldas.ligo-wa.caltech.edu and
www.ldas.ligo-la.caltech.edu.
[Mary Lei]
* (ML) Ran getMetaData in Hanford and got segmentation
fault
for binaryinspiral and directedperiodic
tables:
in copy_array function of
dbEasy.
* (ML) Ran performance test against cit_1 database with
openlink.
Obtained insertion rates
(rows/sec) for almost all
tables.
Updated ilwds for successful
insertion.
* (ML) Plot rates of insertion against #rows inserted each
time via
gnuplot.
[Peter Shawhan]
* (PSS) Reviewed current definitions of LDAS database tables
for my own
understanding and to check
self-consistency and
appropriateness
for some likely queries.
Found some problems; will
discuss
them with a few people and
propose a set of changes.
Nathan Yospe]
* (NY) Tore apart getFrameData function called for Raw, Adc
formatted
data, and rewrote as a new function
operating on
lists of frame
channels, to avoid slowdown of
repetitive switches
between the
Tcl and C++ layers.
* (NY) Worked out a format for the new call with Phil,
agreed on only
lists of channel names and/or
numbers as input.
* (NY) Incorporating insertation of returned channel
contents to the
ILwd Element Container provided
by the Tcl layer into
the
C++ function. No returns
required; all
functionality that
was performed by successive Tcl/C++
switches in a
loop is now
contained in the C++ layer.
Final function name is:
void insertRawAdcDataList( FrameCPP::Frame
*frame,
ILwd::LdasContainer *f,
const char * command,
char ** s );
Walid Majid:
I am continuing to look at the recent 40m data. Met with
Dick Gustafson
regarding the calibration issue for the GW channel. I
found
a factor of
2.5 that was not included in his original estimate
for
deriving our
displacement sensitivity. Including this
factor will
improve the
sensitivity.
I am also looking at some of the other channels and making
sure it is
consistent with our expectations. I have also written some
code to
transfer a subset of channels during locked intervals over
to a local
disk, which will make it more convenient to analyze the
data. My plan
is to start looking at the noise spectrum in the coming days
to
characterize some of the instrumental behavior.
Stuart Anderson:
SBA: Installed 15 disk drives to kitalpha to begin
testing of software
RAID under Linux. Mirrored all of the LDAS software to the
LDAS gateway machine
now installed on the LLO network. Started archiving all of
the trend and
minute-trend frames from the 40m and LHO into HPSS at
Caltech over the network
on a daily basis. For the 40m trend frames going back to Sep
24 are archived.
For LHO, trend frames back to Sep 8 are archived, and
minute-trend frames
back to Feb 10 are archived.
General Computing
MIT:
David S. has been installing the latest SUN OS on the
machines and doing the
setup of the units. Has a few more to go.
Hanford:
The hacker is back! Again coming in from IP addresses in
Italy and now
with addresses from Texas A&M, UC Berkeley, and Auburn
University
Montgomery, Alabama.
Please change your passwords often!
Did the usual backups, helped with several printer and PC
problems and
kept the GC accounting paper work up to date.
Livingston:
Livingston has been plagued with network problems out of
their control. The
network at LSU and Bellsouth have been going down quite
regularly. The reasons
vary from operator error to hardware problems.
Tom has been working with Bill A. and others to help setup a
local system for
the Bakeout data. So far things have been working well.
Larry W. assisted in working out some minor network issues
and fixed a few
printer problems. Also, discussed with Tom the immediate
procurement needs, now
that there is a greater need for more computers.
CIT:
Sam bought printer items for liz and helped rita on her
computer.
Resolved a network issue with her office and moved a new
computer to Barry's
office. Still working on Y2K issues and documentation.
Discussed with Larry W. a plan to get the Y2K patch
installation for the PC's
finished in the next few weeks.
Barbara K. finished the Costbook Estimate Detail and Summary
Reports. Reworked
the queries so the subtotals will appear correctly on the
Summary Report. Next
will try to embellish the Detail report with Direct/Contract
labor and
On/Off Campus indirect cost information.
Rebuilt WebDocs and PubDocs and made the last of the changes
for Y2K (at
least until January 3 !). I still have to install Service
Pack 5 and MS
Office patches on the servers.
Looked at problems with web services on the Amaldi server.
Made several
web site changes. Met with Linda Turner on some issues with
the new
document directories.
Suresh spent most of his time this week on putting some of
the PCs and printers
in basement of bridge back on network. Those affected
systems were on 125
subnet. Some of the PCs are moved to 115 subnet. An
alternate network connection
has been provided to devices in 125 subnet. The actual cause
for this problem is
not yet understood.
Made new entrees in alias database. Presently, installing
solaris in some
broken systems.
Larry has worked a number of issues dealing with
procurements and getting them
resolved. Maintenance contracts and new purchase orders are
still being worked
on.
Wrapped up the installation of a couple of machines. Worked
a number of network
issues including the ones Suresh has been working.
Resolved a number of e-mail problems but still have a number
to go. Discovered
that the latest version of Solaris and the patches used on
Solaris 2.6 have some
problems with them. They have a conflict with a variety of
e-mail pkgs.
including netscape, pine and a few others. Sun is working on
resolving the
issues and as soon as we get the patches we will get them
loaded. There are some
patches out now for the Solaris 2.7 machines that need to be
loaded, Suresh is
working on that issue.
Working on some of the security issues. From attending a
computer security
conference we have learned there are a few more items we
need to look at for
LIGO's computer security. There will be a number of changes
over the next few
months including some procedures on how we do things. We are
also looking into a
number of different firewall systems.
Irene Baldon
Please note this report covers only 4 days due to medical appointments.
Worked on preparing the paper work for 23 new trips taken recently or upcoming (20 Purchase Requisitions and 14 Advance Requests). There are approximately an additional 35 new trips in various stages pending completion of travel arrangements before the paper work can be completed. Worked on a number of problem issues which required a good portion of my time.
Completed 6 Expense Reports, some of which were extensive, involving 2 or more pages each. Some of these reports were still not taped or completed by the Traveler, and required additional time for completion. Worked on a number of problem issues which required a good portion of my time. There are 22 Expense Reports still to be done, including 4 that require extensive work to complete. I'm holding 4 completed Expense Reports which require a check from the Traveler before sending to Travel Audit to clear.
I continue to push for both Advance and Expense Checks already submitted. "The System" continues to be extremely slow in processing these. I recently was informed that we will again be given T numbers which enable us to track a particular trip. As of this writing I still have not seen any significant evidence of these elusive items.
Performed normal recording and filing associated with Travel and
Reimbursement. The new "System" requires much more of my time to having to constantly retype standard information for each traveler. The new forms do not allow me to save a Database for each traveler, thus causing me to take extra time to pull each traveler's file for home address, social security number, etc., each time I need to type up an Advance or Payment Request.
Continued making travel preparations for the upcoming LIGO Celebration to be held at our LIGO/Livingston, LA, site on Nov. 11th and 12th. Vee and I have arranged for Conference Rates with two airlines (Delta and United for domestic flights and Delta for intercontinental flights). We have arranged for a block of 155 rooms at a number of hotels in Baton Rouge, LA (75 at The Radisson on Constitution Ave.; 40 at The Amerisuites on Bluebonnet Blvd.; 25 at The Homewood suites on Corporate Blvd.; and 15 at The Hampton Inn on Constitution Ave.). All is in place now and travelers are able to call or e-mail Vee to book their trip using the special rates we have obtained. I will pass on more information as I get it. In the meantime, Barbara Kratochwill has put the current information on the WEB page. Please book your trip as soon as possible. Flights, hotels and car rentals go fast, especially when I understand that approximately 400 invitations have gone out world-wide.
Travel has started for the PAC7 Meeting to be held at LIGO/MIT from Nov. 18th through Nov. 19th. A block of rooms have been reserved at the University Park Hotel (just behind the LIGO/MIT Lab) at a rate of $109.00 per night for the nights of Nov. 17th and Nov. 18th. These rooms are going fast so if you plan to attend the PAC7 please get your trip started with Vee as soon as possible.
Prepared the Travel/Vacation Itinerary for the Week of October 11, 1999.
Performed miscellaneous duties as requested by various members of the LIGO Project here at Caltech, as well as from members of the staffs of each of the two (2) sites. I continue to do MIT's travel to the sites for installation activities and assist them wherever possible.
Rita Torres
For I. Petrac did letters and prepared FedEx packages to transmit MOU sets: Attachments A, Z & 1 to University of Oregon, A & Z to Cornell University, A, Z & 2 to University of Michigan, and Attachment 2 to University of Texas at Brownsville. Distributed signed change order No. 23 to NYMA.
For E. Jasnow did modification No. 1 to contract with MMR Constructors.
Ordered more items with the P-Card, reconciled orders, and chased a discrepancy. Did site trip updates for Detector Group. Set up laser training session, arranged for another eye exam.
For HP color printer cartridges collected information from several vendors for price comparison, ordered cartridges at the best price. Finally finished update of PO information for D. Lloyd. Dorothy's "PO Log" facilitates record keeping for the myriad LIGO accounts. Working on a way to facilitate this update for next time.
Dorothy Lloyd
Continue to enter and approve requisitions and run periodic searches to find PO number assignments, along with receiving and on-line payment approvals in Oracle.
Tracked and followed up on invoice problems and processed the normal heavy load of invoices for payment using both Oracle and the old system.
Notified a couple of task managers regarding the status of their subcontract funding levels and requested approval for supplementing funds.
Jim and I both have been doing data entry in LIGO database this week, and Jim continues to reconcile status reports as time permits.
Elizabeth K. Wood
For all you who are making presentations at the NSF Review in Washington, D.C. October 25 and 26, Veronica needs your finalized versions by 8:00 a.m. October 19 (Tuesday morning) so she can make copies for the binders. If you can't meet this deadline, we need to talk.
Continuing to work with Caltech PR and Mark on the preparation for the big LIGOfest in Livingston.
Figured out the problem with a disputed p-card charge. All is well now.
Talked to payroll and the very nice vacation/leave person to straighten out some misplaced vacation and leave.
Located the wandering controller for those fun folks in the metrology
lab. Central Receiving received the controller and delivered it. To the
Thomas Building. The person doing the receiving in Thomas Building denied
it ever came. Central Receiving had a document signed by the receiver in
Thomas. A week after the controller arrived on campus, it finally found
its way to LIGOland. It's wonderful having the ORACLE to track this stuff---wandering
equipment, itinerant payment requests, floating holidays…
For additional information about this report, contact sanders@ligo.caltech.edu