OS X (Eastings) 503990 OS Y (Northings) 249462 Nat Grid TL039494 / TL0399049462 Nearest Post Code MK40 4LS Lat (WGS84) N52:08:01 (52.13368459777742) Long (WGS84) W0:28:56 (-0.4821138615321882) Lat,Long (WGS84) 52.13368459777742,-0.4821138615321882 Lat (OSGB36) N52:07:60 (52.133252462459204) Long (OSGB36) W0:28:50 (-0.4805221320851303) Lat,Long (OSGB36) 52.133252462459204,-0.4805221320851303 what3words void.pilots.call Open Loc/Plus code 9C4X4GM9+F5C