EPSG:6129Projected
Sister Islands National Grid 1961
Type
Projected
Unit
foot
Accuracy
1 m
Area of use
Cayman Islands - Little Cayman and Cayman Brac.
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=-81 +k=0.9996 +x_0=499999.999998 +y_0=0 +ellps=clrk66 +towgs84=8.853,-52.644,180.304,0.393,2.323,-2.96,-24.081 +units=ft +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["Sister Islands National Grid 1961",GEOGCS["SIGD61",DATUM["Sister_Islands_Geodetic_Datum_1961",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[8.853,-52.644,180.304,0.393,2.323,-2.96,-24.081]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4726"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-81],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",1640419.9475],PARAMETER["false_northing",0],UNIT["foot",0.3048],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6129"]]