AIPS HELP file for DOSCAN in 31DEC18
As of Sun Apr 22 18:02:09 2018
Type: Adverb (logical, > 0 => true)
Use: Tells a task to perform some operation on a "scan" basis.
Scans are defined as entries in an index (NX) table attached
to a UV data set. What is a "scan" may change in that AIPS
automatically recomputes the NX tables and assigns a new scan
only when a source changes or a large gap in time occurs.
Null value: false (-1).
SNPLT........Plots selected contents of SN, TY, PC or CL files.
DOSCAN controls whether scan boundaries are plotted on
plots with time as the X axis.