[daip] MNJ and "cvs update"

[Eric Greisen]

Bill Junor writes:

 >    I have some other issues with multiply concatenated UV datasets which 
 > I'll raise with you, once I experiment a little more.  But, essentially 
 > the problem is that I have several VLBA datasets (just VLBA antennas, no 
 > outside antennas) which I have calibrated separately, and wish to 
 > concatenate before further processing.  Sometimes there is a missing 
 > antenna, so the antenna tables are similar but not identical.  However, 
 > the datasets are internally consistent i.e. self-cal works fine on the 
 > individual datasets.
 > 
 >    However, when I try to self-cal the combined datasets, occasionally 
 > the routines complain about an orphaned antenna. I think this must be 
 > because CALIB isn't tracking which antennas are really in the arrays but 
 > which antenna numbers are in the arrays.
 > 
there are issues about how you combine the data - DBCON cannot
renumber antennas but MATCH is useful for that

it is not good to get too many days in the recorded times because of
accuracy issues.  Otherwise is is good to put the data together as one
array.

Eric