[daip] APCAL

[Jim Ulvestad]

APCAL is still giving the message that I forgot to set the
flux density of anything, despite the fact that OPCODE
has been left blank, indicating no opacity correction,
which is the only time I would need a flux density.
I know this is confusing several of the summer students.
Is it possible to get rid of this message, which should be
occurring only for OPCODE='OPAC'?

Thanks,

Jim