[daip] Re: VLA coordinates, antenna positions

Eric Greisen egreisen at nrao.edu
Tue Nov 23 14:32:37 EST 2004


Ken Sowinski writes:
 > 
 > > Apparently all bands have shifted antenna positions when Q band and
 > > Pie Town are somehow involved in a run.  You did not tell me this!  So
 > > FILLM has been wrong for some time....
 > 
 > Eric,
 > 
 > I just looked at the data you pointed me to 
 > 
 > /DATA/PRIMATE_1/FITS/AT272.020130.XP1
 > 
 > and find that it is just as you say.  All records have the
 > same position and that position is the shifted position.
 > 
 > I will try to sort out why this is happening.  Is it possible 
 > that we intended this behavior but have forgotten that fact?
 > Even so, as I wrote yesterday I don't see it happening in the 
 > code.

AIPS is now fine with the change so it is not too serious to fix it -
just so long as there are no other array centers created....

Eric




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