From: <Steven.Tingay_at_email.protected>
Date: Wed, 8 Aug 2012 12:47:09 +0800

Nice work!

On Wed, Aug 8, 2012 at 12:43 PM, Brett Reid <Brett.Reid_at_utas.<!--nospam-->edu.au> wrote:
>Hi All,
>Warren Hankey and I made some progress towards the end of July at Ceduna on
>the L-band system installation.
>Jamie McCallum remotely performed some tests with a scan on on a source
>revealing Tsys something like 1200 Jy and the beam is reasonably centered.
>He also obtained fringes to Hobart.
>
>We took some video and pictures of the mechanical arrangement. Links below.
>Google search for Ceduna L-band will also find it.
>
>It is at a stage where it can again be enabled by Warren or I for the
>September VLBI run for serious tests. Changes to or from L-band will take an
>hour currently. Once we automate it, it will take only a few minutes.
>
>We need to eliminate some of our own RFI, that showed up at frequencies like
>1426 and 1596 MHz, prior to some serious tests. An oscillating power supply
>voltage regulator is causing at least one of these problems and should be
>easy to fix. We also need to implement a circularly polarised signal
>injector to aid adjusting the inputs to the quadrature hybrid for dual pol
>circular outputs.
>
>Video:
>http://vimeo.com/46930203
>This is one of 4 short videos. The other 3 show up at the same site.
>
>In the comments for the videos above is a link to still photos which are
>here:
>http://users.on.net/~cdadsl/Lband/
>
>While we were there testing, Jamie reported:
>>
>>Hi everyone,
>>We've just managed to get L-band fringes between Ceduna and Hobart on
>>0537-441 with Chris's help.
>>http://www.evlbi.atnf.csiro.au/RtFC/Jul2012/t12207/02:03:10/CD-HO-1.png has
>>the images - this was with a 0.5 second integration time using the standard
>>VSOP mode and some variety of linear polarisations.
>
>
>Regards,
>Brett
>
>
>--
>
>Brett Reid
>Observatory Manager, Radio Astronomy Group
>University of Tasmania, School of Mathematics and Physics
>Phone +61 3 6248 5285
>Mobile 0407 955 283
>email brett.reid_at_utas.<!--nospam-->edu.au
>web http://users.on.net/~cdadsl

-- 
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Professor Steven Tingay
Premier's Fellow
Deputy Director
ICRAR
Deputy Director
Western Australian Radio Astronomy Centre of Excellence
Director, Science and Operations
Curtin Institute of Radio Astronomy
Department of Imaging and Applied Physics
Curtin University of Technology
Bentley, Western Australia
Australia
Street address:
Brodie Hall building
1 Turner Ave
Technology Park
Bentley 6102
Western Australia
Email:  s.tingay_at_ivec.<!--nospam-->org OR s.tingay_at_curtin.<!--nospam-->edu.au
WWW: http://astronomy.curtin.edu.au
Phone: +61 (0)8 9266 3516
Mobile: +61 (0)425 771 856

Received on 2012-08-08 14:47:34