Change Request
GML Report Print View

Clarke presented his results as 1m = 39.370432 inches whence 1ft=0.30479726511... However has usually been implemented as 0.304797265 exactly.Open
Change Request Details
Change Id: 1997.233
Report Date: October 20, 1999
Date Closed: October 20, 1999
Reporter: EPSG
Request: Rationalise British linear units
Comment: Clarke presented his results as 1m = 39.370432 inches whence 1ft=0.30479726511... However has usually been implemented as 0.304797265 exactly.
Action: Delete length units 9007-12 9032; add 9037-43 9050-3 9060-3 9070. Add length alias 9044 9055-8 9064-5 9071. Change unit code for proj 18141-2 19912 19924-5 19935 and projCS 24571 27291-2 29871-2 30200 to reflect the unit changes. (Cont...)(...cont). Change factors b and c from 12 and 39.370432 to 0.304797265 and 1 respectively. Length units 9007-9012 and 9032 replaced by 9039 9063 9043 9062 9042 9040 and 9041 respectively (effectively these have been renamed).
Tables Affected: UOM_Length Length Alias Trf_nonpoly HorizCS
Codes Affected: 9005 9007-12 9032; 18141-2 19912 19924-5 19935; 24571 27291-2 29871-2 30200