; BITER
;---------------------------------------------------------------
;! gives beginning point for some iterative process
;# ADVERB GENERAL
;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
;---------------------------------------------------------------
BITER     LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
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BITER
Type: Adverb   (Real)
Use:  BITER is a general adverb to express a number representing the
      beginning number of an iteration process such as Cleaning an
      image.
Null value:  0
      Null value assignment usually means start at beginning.
Tasks:
   APCLN.........Deconvolves images with CLEAN algorithm.
   CCMOD.........Generates clean components to fit specified source
                 model.  Results placed after Clean component BITER.
                 0 -> at end
   DESCM.........Copies a portion of a UV data set.  BITER is the first
                 visibilityy record to copy.
   SDCLN.........Deconvolves image by Clark and then "SDI" cleaning
                 methods.
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