[daip] VBCAL - possible change of numbers of antennas?

Eric Greisen egreisen at nrao.edu
Fri Mar 2 16:26:16 EST 2012


Hans-Rainer Kloeckner wrote:
> Dear Eric, et al.
> 
> I'm currently trying to combine some GMRT data files (several 
> independent days of observing) with DBCON and its seems that the 
> reweight mechanism does not scale the data at all (might be to do with 
> the non-physical weights in GMRT data). I guess the way to bypass my 
> problem is to change the relative amplitude of these data set and I was 
> running into the task VBCAL.
> 
> In general I think this task it doing what I think it will do, but it 
> assumes that the dataset has only 10 antennas (obviously its a VLBA 
> task). Now I would like to implement this in our GMRT pipeline on our 
> cluster (which I have little access to the software setup). So my 
> question is would it be possible to change the number of antennas to 
> e.g. 30 (GMRT) or larger, please.

A MNJ will get you the change (requires new adverbs to allow 90 antennas).

Eric Greisen




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