[daip] apcal

Jim Ulvestad julvesta at aoc.nrao.edu
Wed Jun 28 16:15:41 EDT 2000


Ketan Desai wrote:


> > APCAL1: *** At least one source had identically zero flux
> APCAL1: ***  Usually this means you forgot to run SETJY.
> APCAL1: ***  This may be important if you have a very
> APCAL1: ***  bright source (masers?).
> 
> I put in this message before I left.
> 

> It also informs the user that something -wrong- is being done.
> They are asking for opacity calculations to be performed without
> estimating in anyway way the strength of their source.
> 

Yes, but I haven't asked for opacity corrections to be done.  It looks
to me like someone took out a check to see that OPCODE = ' ', in 
which case the message should not appear.  It now appears even when
OPCODE=' ',
indicating that no opacity correction is to be made.

ju



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