[daip] Problems averaging channels.

Eric Greisen egreisen at nrao.edu
Thu May 16 19:03:57 EDT 2013


Craig Walker wrote:
> I would like to get a POSSM output data file without as many channels as 
> I'm getting now by averaging channels.  I have tried two methods, both 
> with problems.
> 
> First AVSPC:
> default avspc
>    ind 3; getn 71
>    outn=inn; outcl='avspc'; outs=ins; outd=ind
>    docalib=1; gainuse=maxtab('CL'); flagver=maxtab('FG')
>    doacor=1; channel=3; avoption='subs'
>    smooth=1,0
> 
> That takes in a 2150 vis file and turns it into a 24 vis file with only 
> the autocorrelations from one station.

Your flag table (even version 1) deletes all data after the first few 
10-10 autocorrelations.

Eric




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