[daip] CL ver 1 geodelay calculation problem

[Walter Brisken]

Thanks for taking a look at this so quickly.  Let me know if you need 
anything else from me (i.e., later testing).

-W

On Mon, 28 Jul 2008, Eric Greisen wrote:

> Walter Brisken wrote:
>>  For VLBI files, the CL tables have a column called GEODELAY which contains
>>  a tabulated listing of the delay model at each CL interval.  I have an
>>  example FITS-IDI file, straight off the VLBA hardware correlator, where
>>  FITLD results in this column containing nothing but zeros until row 11149,
>>  where reasonable values start.  I have confirmed that the two model
>>  tables, IM and MC, have valid values for the duration of the file.
>>  Removing NX1 and CL1 and running INDXR results in a CL1 table with zero
>>  GEODELAY for the entire length of the file.  I have tested FITLD with
>>  values of CLINT ranging from 0.016667 to 1 minute, always with similar
>>  results.
>>
>>  This problem exists both in NEW and TST versions and is consistently
>>  reproducible.  The file I found that demostrates this problem is:
>>
>>  /home/parallax/7200001.FITS
>
> I think I see where it is going wrong.  The one FITS file has 2 UV tables in 
> it.  The GEODLY values are set for the time range matching the 2nd table 
> only.  My bet is that it does not do the clean-up pass in the first table 
> when there are 2 tables in one file.  That is an error, but...
>
> Eric Greisen
>
>
>