[daip] CLCOR: ANTP

[Eric Greisen]

Ed Fomalont writes:
 > Hello,
 > 
 >    I have been fiddling around with the astrometric programs
 > of AIPS.  I used CLCOR with opcode 'ANTP' to change a source
 > position.  This went okay, but the updated position that
 > was put in the SU file was not very accurate.  I suspect that
 > double precision is not used when updating the source RA and DEC.
 > I haven't checked on antenna position changes yet.
 > 

There are a couple of real*4 but your correction is real*4 too so they
probably should not matter.  NOte that the ra dec change is in
apparent position not position of epoch.  Does this concept change
your conclusion?

Eric