From: <stingay_at_email.protected>
Date: Mon, 8 Nov 2004 12:46:03 +1100 (EST)

Hi Brett,

Thanks. We would like to go for the new dual-pol S-band receiver for
vt001h.

Cheers, Steven

On Mon, 8 Nov 2004, Brett Reid wrote:

>Hi Steven,
>Hobart now has a choice of 2 different 13 cm receivers:
>1) RCP only cooled geodesy receiver Tsys 650 Jy.
>2) New dual circular polarisation S band, uncooled, Tsys 840 Jy. This is
>the receiver we are using for Huygens.
>
>It is up to you which receiver Hobart uses.
>
>Chris will be sending the Dell MRO recorder so we can install it by mid
>this week.
>
>Regards,
>Brett.
>
>==============Original message text===============
>On Mon, 8 Nov 2004 10:06:52 +1100 (EST) Steven Tingay wrote:
>
>Hi Everyone,
>
>Here is a summary of the plans for VLBI experiment VT001h on DOY 321: 0930
>- 1500 UT. This experiment is similar to vt001e from last April but with
>different frequencies and DAS setup. Can all please read and comment if
>necessary.
>
>vt001h is the first true imaging test for the PCEVN-style disk-based
>recorders, 5.5 hr on (up to) 6 antennas at (up to) 256 Mbps. The source
>is an old favourite, PKS 0438-436:
>
>http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v497n2/36892/sc4.html
>
>There may actually be some science come out of this test!!
>
>Issues/questions
>----------------
>
>* Can Brett confirm that only RCP is available at 13 cm for Hobart,
>please? Is this still the case?
>
>* Tidbinbilla will only observe RCP with the 13 cm hempt receiver. Can
>you confirm that this is ok, Jim?
>
>* Everywhere else will observe dual polarisation with the vsop.pro DAS
>profile. Can all confirm that this is ok, please?
>
>* Chris, has swarm been sent to Hobart yet?
>
>* Craig will want to use the dstart software to ensure that all recording
>starts on the same 10 second boundary. Can each observatory confirm
>that dstart is available on your systems, please? Subject to tests
>during vt002a we will use the "standard" version of wr for vt001h.
>Chris, can you make sure that this is available on all machines, please?
>As a backup, we will need Craig's version of wr on all machines as well.
>Craig, can you make sure that your version is available everywhere,
>please?
>
>* If I've left anything out below or if anything is unclear, please let me
>know.
>
>Cheers, Steven
>
>
>General notes for vt001h
>------------------------
>
>Date/time: DOY 321 / 0930 - 1500 UT
>
>Antennas: 0930 - 1500 UT
>ATCA, MOPRA, PARKES, CEDUNA, HOBART
>
>1015 - 1345 UT
>TIDBINBILLA
>
>Recorders: PCEVN style recorders at all antennas
>
>ATCA (Swinburne machine, Dell 1600SC - cavsi)
>PARKES (Swinburne machine, Dell 1600SC - pkvsi)
>TIDBINBILLA (Lovell/Phillips machine, ?? - name??)
>MOPRA (Phillips new machine, K8 - teem)
>HOBART (Dodson machine, Dell 1600SC - swarm)
>CEDUNA (Dodson machine, ?? - deebee)
>
>Disk space: 640 GB required at:
>ATCA, MOPRA, CEDUNA, HOBART, PARKES
>
>ATCA - Apple Xraid
>PARKES - Apple Xraid
>CEDUNA - Set of 4 IDE disks
>HOBART - Set of 4 IDE disks
>MOPRA - Set of 4 IDE disks
>
>410 GB required at:
>TIDBINBILLA
>
>TIDBINBILLA - IDE disks
>
>wr version: Subject to tests during vt002a, we will use the
>"standard" version of wr. We will use Craig's
>version as a backup if necessary.
>
>VSIC: set mode to "S2" = 1110
>
>Centre frequency: 2268 MHz
>
>Bands: 2 x 16 MHz LCP (2252 - 2268 MHz & 2268 - 2284 MHz)
>2 x 16 MHz RCP (2252 - 2268 MHz & 2268 - 2284 MHz)
>
>Polarisation: Hobart will record RCP only (see above)
>Tidbinbilla will record RCP only using 13 cm hempt
>All other antennas will record dual circulars
>
>Sampling: 2-bit
>
>Data rate: 256 Mbps
>
>Target: PKS 0438-436 (clock finder PKS 0537-441)
>
>DAS profile: vsop.pro (or flipped version if required)
>
>
>Schedules
>---------
>
>ATCA: vt001h in at$sched on LEON
>
>MOPRA: vt001h_Mp.com for VLOBS at
>ftp://ftp.atnf.csiro.au/pub/people/vlbi/vt001/vt001h/vt001h_Mp.com (can't
>produce schedule on Mopra at moment because can't log on - too many
>sessions open at moment)
>
>PARKES: vt001h.psn attached to this email
>
>HOBART, CEDUNA, TIDBINBILLA: There is a vex file that should be used to
>create your schedules at
>ftp://ftp.atnf.csiro.au/pub/people/vlbi/vt001h/vt001h.skd
>
>##=====================================================##
>Dr Steven Tingay stingay_at_astro.swin.edu.au
>Swinburne SKA Project Leader
>
>Centre for Astrophysics and Supercomputing
>Faculty of ICT
>Swinburne University of Technology
>Mail No 31
>P.O. Box 218, Hawthorn, Vic. 3122, Australia
>
>ph: +61 3 9214 8758
>fax: +61 3 9214 8797
>
>http://astronomy.swin.edu.au/ska
>##=====================================================##===========End
>of original message text===========
>
>
>
>Brett Reid
>Observatory Manager, Radio Telescopes
>University of Tasmania
>School of Mathematics and Physics
>phone + 61 3 6248 5285
>email brett.reid_at_utas.edu.au
>web http://www-ra.phys.utas.edu.au/~breid/
>
>
Received on 2004-11-08 12:46:29