From: <Chris.Phillips_at_email.protected>
Date: Thu, 15 Oct 2009 08:59:15 +1100

Hi Steve,

VDIF is coming and will solve the conversion issue. Mark5b already
means it is not too bad.

Remember with all this we still have the missing "intermediate"
baseline problems - it is a big jump from Australian to international
baselines.

Cheers
Chris

------------------------------------------------------------
Chris Phillips
CSIRO ATNF eVLBI project scientist
Office: (+61) (0)2 93724608 Mobile: (+61) (0)439487601

On 15/10/2009, at 2:04 AM, Steven Tingay wrote:

>Hi Simon,
>
>Well done!
>
>The very first real disk-based + software correlated observation we
>did in 2004(?) used Japan, South Africa, VLBA and the LBA and used K5,
>Mark5 and LBADR recordings. Not sure we have done much since with
>Japan, but certainly not with any of the VERA antennas.
>
>Of course, the pain in regular use is the format conversion currently
>required. If this could be streamlined or eliminated, it would be a
>very useful additional capability.
>
>Cheers, Steven
>
>On Wed, Oct 14, 2009 at 10:40 PM, Simon Ellingsen
><Simon.Ellingsen_at_utas.<!--nospam-->edu.au> wrote:
>>Dear LBAers
>>In late May Hobart participated in a 2 hour test
>>observation
>>at the end of a JVN methanol maser VLBI observing session. We
>>observed a
>>number of continuum calibrators and equitorial methanol maser
>>sources with a
>>4 MHz bandwidth and centre frequency of 6.668 MHz. Hobart observed
>>dual
>>polarization, while the Mizusawa VERA antenna and the Yamaguchi 32m
>>recorded
>>LCP only. Mareki Honma arranged for conversion of the recorded
>>disk-based
>>data from one of the K5 formats into Mark5B, while at Hobart we
>>recorded
>>using the standard cdisko recorder, but with data saved in Mark5B
>>format
>>rather than the standard LBA format.
>>
>>After lots of help from Chris Phillips to get the
>>DiFX input
>>file correct, I have finally been able to get the first hour for the
>>Hobart-Mizusawa baseline correlated using version 1.5 of DiFX.
>>Over that
>>period we observed two calibrators and two maser sources and we
>>have fringes
>>from J0609-1542 and the two methanol masers G188.95+0.89 and
>>G213.70-12.6
>>(Mon R2), which are shown in the attached postscript file.
>>
>>I think that we have previously had Australia-Japan
>>fringes
>>in recent eVLBI experiments and 20 years or so ago in some Mark II
>>experiments (perhaps also some VSOP experiments). However, I think
>>that
>>this is the first time we have had fringes to any of the VERA
>>stations from
>>Australia?
>>
>>I think it would be good to arrange a full-scale
>>Australia-Japan observation in the not to distant future, as I'm
>>sure that
>>there are a range of experiments both maser/line and continuum
>>which could
>>benefit from long N-S baselines?
>>
>>Regards
>>
>>Simon
>>--
>>Simon Ellingsen : Senior Lecturer Physics & Astronomy, University of
>>Tasmania
>>Currently : Humboldt Experienced Research Fellow, MPIfR, Bonn
>>email : Simon.Ellingsen_at_utas.<!--nospam-->edu.au
>>WWW :
>>http://fcms.its.utas.edu.au/scieng/physics/pagedetails.asp?lpersonId=681
>>Phone : +49 (0)228 525 392 (work) +49 (0)1522 374 5728 (mobile)
>>
>>
>>
>>
>>
>
>
>
>--
>* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
>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 2009-10-15 08:59:22