[daip] [!5703]: aips - VLA basebands in FRING

Eric Greisen do-not-reply at nrao.edu
Mon Oct 27 16:38:24 EDT 2014


Eric Greisen updated #5703
--------------------------

       Staff (Owner): Eric Greisen (was: -- Unassigned --)
              Status: Closed (was: Open)
                 Due: - Cleared - (was: 29 October 2014 03:37 AM)

VLA basebands in FRING
----------------------

           Ticket ID: 5703
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/5703
           Full Name: Lorant Sjouwerman
               Email: lsjouwerman at nrao.edu
             Creator: User
          Department: AIPS Data Processing
       Staff (Owner): Eric Greisen
                Type: Issue
              Status: Closed
            Priority: Default
      Template Group: Default
             Created: 27 October 2014 03:37 AM
             Updated: 27 October 2014 08:38 PM



The code depends too deeply on each group having the
same number of channels.  But try the following:

1. Run FRING with SNVER=1, BIF=1; EIF=7 and APARM(5)=1
2. Then use TABPUT with KEYSTR='BLANKED'  and, e.g.
     for i=1:26; for j=8:15; pixxy=i,10,j; tabp; end; end
      and redo the 10 with 11, 12, 17, 18, and 19
3. Then FRING with SNVER=2' BIF=8; EIF=16, APARM(5)=1
4. Than TABPUT SN table 2 with
    for i=1:26; for j=1:7; pixxy=i,10,j; tabp; end; end
      and redo the 10 with 11, 12, 17, 18, and 19
5. Then CLCAL combining the 2 SN tables either MERG to
    a new SN table 3 or use the merged SNs to update the CL.

Eric Greisen

Note you need to write 2 SN tables - fring just overwrites when
the times are the same...





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