[daip] FITLD question

[Eric Greisen]

Michael Bietenholz writes:

 >    I just loaded some VLBA correlator (VLBA binary table) data using
 > 31Dec99 FITLD.  The weights were all around 3.0.
 > 
 > Using previous versions of FITLD, the weights were all < 1.0, and I
 > thought that a weight of 1.0 mean that the weight was the fraction of
 > bits in the correlator integration period which were correlated.
 > 
 > What is the new scale factor that has apparently been introduced?  Is
 > there an easy way to actually determine the scale factor necessary to
 > get true 1/sigma^2 weights for an AIPS data set with the new FITLD? 

      So far as I know, there has been no change to the weights
affecting VLBA correlator data.  I am forwarding this reply to others
who may know more.

Eric