; ;========================================================================== ; ; FILE: ufgatelength.pro ; ; USAGE: result = UFgatelength(ufbuf, field) ; ARGUMENTS ufbuf Buffer of UF words for a dwell of radar data ; field Logical number of the data field ; ; ABSTRACT: Return the depth (or length) of the range in meters for the ; Nth data field in the UF dwell buffer ; ; AUTHOR: I. Jeff Caylor ; Science Systems and Applications, Inc. ; 5900 Princess Garden Parkway, Suite 300 ; Lanham, MD 20706 ; ; at: NASA Goddard Space Flight Center ; Code 912 ; Greenbelt, MD 20771 ; Voice: (301) 286-3767 ; Fax: (301) 286-1762 ; Email: jeff.caylor@gsfc.nasa.gov ; ; CREATED: 7 April 1995 ; ; MODIFIED: ; ;========================================================================== ; ; ; Return the gate depth in meters for the Nth field ; Error = -1 ; FUNCTION UFgatelength, dwell, n d = UFfieldhdr(dwell, n) IF (d EQ -1) THEN BEGIN RETURN, -1 ENDIF RETURN, float(dwell(d + 6)) END