AIPS HELP file for WTTHRESH in 31DEC09

As of Sun Nov 22 16:48:14 2009

HELP SECTION

WTTHRESH
Type: Adverb  (Logical,  > 0  =>  true)
Use:  Data selection adverb. Defines the weight threshold for
      data acceptance. If <= 0 then accept all data. If > 0
      then only accept data with weight  >= WTTHRESH.
      This adverb is only used in FITLD.
Null value:  0 => accept all data.

EXPLAIN SECTION