; UVADD
;---------------------------------------------------------------
;! Combines two matching uv data sets
;# Task UV
;-----------------------------------------------------------------------
;;  Copyright (C) 2019
;;  Associated Universities, Inc. Washington DC, USA.
;;
;;  This program is free software; you can redistribute it and/or
;;  modify it under the terms of the GNU General Public License as
;;  published by the Free Software Foundation; either version 2 of
;;  the License, or (at your option) any later version.
;;
;;  This program is distributed in the hope that it will be useful,
;;  but WITHOUT ANY WARRANTY; without even the implied warranty of
;;  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;  GNU General Public License for more details.
;;
;;  You should have received a copy of the GNU General Public
;;  License along with this program; if not, write to the Free
;;  Software Foundation, Inc., 675 Massachusetts Ave, Cambridge,
;;  MA 02139, USA.
;;
;;  Correspondence concerning AIPS should be addressed as follows:
;;         Internet email: aipsmail@nrao.edu.
;;         Postal address: AIPS Project Office
;;                         National Radio Astronomy Observatory
;;                         520 Edgemont Road
;;                         Charlottesville, VA 22903-2475 USA
;-----------------------------------------------------------------------
UVADD     LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
UVADD:  Task to combine 2 patching data sets
INNAME                             UV data (name).
INCLASS                            UV data (class).
INSEQ             0.0    9999.0    UV data (seq. #).  0 => high
INDISK            0.0       9.0    Disk unit #.  0 => any
IN2NAME                            2nd UV data (name).
IN2CLASS                           2nd UV data (class).
IN2SEQ            0.0    9999.0    2nd UV data (seq. #).0=>high
IN2DISK           0.0       9.0    2nd Disk unit #.  0 => any
OUTNAME                            Out UV data (name).
OUTCLASS                           Out UV data (class).
OUTSEQ            0.0    9999.0    Out UV data (seq. #).0=>high
OUTDISK           0.0       9.0    Out Disk unit #.  0 => any
OPCODE                             'ADD', 'SUBT', 'MULT', 'DIV'
----------------------------------------------------------------
UVADD
Type:  Task
Use:   Combines two data sets which must match closely in their
       samples, times, etc.
Adverbs:
  INNAME.....1st UV file name (name).       Standard defaults.
  INCLASS....1st UV file name (class).      Standard defaults.
  INSEQ......1st UV file name (seq. #).     0 => highest.
  INDISK.....1st Disk unit #.               0 => any.
  IN2NAME....2nd UV file name (name).       Standard defaults.
  IN2CLASS...2nd UV file name (class).      Standard defaults.
  IN2SEQ.....2nd UV file name (seq. #).     0 => highest.
  IN2DISK....2nd Disk unit #.               0 => any.
  OUTNAME....Output UV file name (name).    Standard defaults.
  OUTCLASS...Output UV file name (class).   Standard defaults.
  OUTSEQ.....Output UV file name (seq. #).  0 => highest.
  OUTDISK....Output Disk unit #.            0 => any.
  OPCODE.....'ADD', 'SUBT', 'MULT', 'DIV'
----------------------------------------------------------------