[daip] UNCON and IMAGR

Leonia Kogan lkogan at nrao.edu
Wed Jun 3 11:44:07 EDT 2009


Dear Hans,

Eric is at the vacation now until June 13. So I'll answer your question:

IMAGR: I doubt that IMAGR has any limit in the numbers of antennas, 
because IMAGR
have a business with visibilities and does not care about antennas. Eric 
can correct me later
if I am wrong here.

UNCON: Probably you mean UVCON.  Do you?
                 UVCON has the limit 2000 in the number of antennas.
                 It is at the 6th line of the UVCON: PARAMETER (NMAX=2000)
I can change it at the system version of UVCON

Leonia

Hans-Rainer Kloeckner wrote:
> Dear Eric,
>
> 	once agin I'm sorry for bothering you.
>
> We are trying to run a SKA simulation that will contain several  
> thousands  (~3000-5000) of antennas.
> Is there a limit in the numbers of antennas that can be processed in   
> imagr and uncon? If so, could you please point me to the relevant  
> sections in the source code that needs editing or is  there an easier  
> way to increase the number of antennas?
>
> thank you for your time and greetings from the island
>
> Hans
>
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