AIPS HELP file for BADDISK in 31DEC19
As of Wed May 22 19:34:14 2019
Type: Adverb (Real(10))
Use: An adverb which contains a sequence of up to ten disk
drive #'s which cannot be used for any reason. The task
or verb will then not use any of these drives for the
temporary (scratch) files during execution. The location
of catalog files are not affected by this adverb since
the user has full control of these disk drives.
Null value: Usually 0.
Null value means that all disk drives are working and may
be used for scratch files. This state does occasionally