[Keyword] LONGITUDE [Default] From data file [Description] Where nnn.nn defines longitude, in degrees, for computing generalized skew. [Valid Values] 
nnn.nn
n . n n n
n n n n
n n
G E N E R A L I Z E D W E I G H T E D S T A T I O N
Y E S N O
n n . n n
n n n . n n