AIPS HELP file for FLDSIZE in 31DEC18
As of Wed Jul 18 23:56:45 2018
Type: Adverb (real array, 2 elements x 64 fields)
Use: Sizes of a 2-dimensional image to produce or process; one pair of
values is specified for each field. The first element is usually
called the X coordinate and measures the number of columns in the
image. The second element, the Y coordinate is a measure of the
number of rows in the image.
Null Value: 0
Null value assignment varies with verb or task although
usually a value is required.
IMAGR replaces FLDSIZE values of 0 with IMSIZE-10.