AIPS HELP file for SOURCES in 31DEC09

As of Sat Nov 21 13:08:34 2009

HELP SECTION

SOURCES
Type: Adverb  (String*16, 30 elements)
Use:  Standard data selection adverb, used to specify a list of
      sources to be included in or excluded from an operation.
      If the first character of ANY element is "-" then all
      named sources are excluded else all named are included.
      All must be left justified.  All blanks mean all sources
      are selected.
Null Value:  '                '
      All null value usually means take all sources; null values
      after a non null value are ignored.

EXPLAIN SECTION