[daip] [Fwd: dbcon]
Eric Greisen
egreisen at nrao.edu
Mon Dec 4 10:45:43 EST 2006
Hanno Spreeuw writes:
> Hello, could you please help me with this?
> Thanks in advance,
> Hanno.
>
> -------- Original Message --------
> Subject: dbcon
> Date: Tue, 21 Nov 2006 16:34:10 +0100
> From: Hanno Spreeuw <hspreeuw at science.uva.nl>
> Organization: Universiteit van Amsterdam
> To: daip at nrao.edu
>
> Hello, I am trying to concatenate two (u,v) datasets using dbcon,
> assuming stokes V=0.
> This is 1989 VLA data, one is RR the other is LL, the data were taken at
> the same time.
> DBCON will not concatenate:
>
> Task DBCON (release of 31DEC04) begins
> STOKES RANGES DO NOT OVERLAP
> Purports to die of UNNATURAL causes
>
> Is there a way around this?
>
So long as the data are already calibrated, use PUTHEAD to change the
STOKES reference value of the LL data set to -1.0 (RR). Then DBCON
will be happy.
Eric Greisen
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