EPSG:6128 — Grand Cayman National Grid 1959

Projected · Cayman Islands - Grand Cayman

Export Formats

OGC WKT

PROJCS[
    "Grand Cayman National Grid 1959",
    GEOGCS[
        "GCGD59",
        DATUM[
            "Grand_Cayman_Geodetic_Datum_1959",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            TOWGS84[-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4723"]
    ],
    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","6128"]
]

WKT2

PROJCRS[
    "Grand Cayman National Grid 1959",
    BASEGEOGCRS[
        "GCGD59",
        DATUM[
            "Grand Cayman Geodetic Datum 1959",
            ELLIPSOID[
                "Clarke 1866",
                6378206.4,
                294.978698213898,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7008]
            ],
            ID["EPSG",6723]
        ],
        ID["EPSG",4723]
    ],
    CONVERSION[
        "Cayman Islands TM (ft)",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -81,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9996,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            1640419.9475,
            LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
            ID["EPSG",8807]
        ],
        ID["EPSG",6127]
    ],
    CS[Cartesian,2,ID["EPSG",1039]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
    ID["EPSG",6128]
]

PROJ.4

+proj=tmerc +lat_0=0 +lon_0=-81 +k=0.9996 +x_0=499999.999998 +y_0=0 +ellps=clrk66 +towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925 +units=ft +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:6128", "+proj=tmerc +lat_0=0 +lon_0=-81 +k=0.9996 +x_0=499999.999998 +y_0=0 +ellps=clrk66 +towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925 +units=ft +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 6128,
  "name": "Grand Cayman National Grid 1959",
  "kind": "projected",
  "area": "Cayman Islands - Grand Cayman",
  "unit": "foot",
  "bbox": [
    19.21,
    -81.46,
    19.41,
    -81.04
  ],
  "proj4": "+proj=tmerc +lat_0=0 +lon_0=-81 +k=0.9996 +x_0=499999.999998 +y_0=0 +ellps=clrk66 +towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925 +units=ft +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6128, 'EPSG', 6128, '+proj=tmerc +lat_0=0 +lon_0=-81 +k=0.9996 +x_0=499999.999998 +y_0=0 +ellps=clrk66 +towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925 +units=ft +no_defs +type=crs', 'PROJCS["Grand Cayman National Grid 1959",GEOGCS["GCGD59",DATUM["Grand_Cayman_Geodetic_Datum_1959",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4723"]],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","6128"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=-81"
  "+k=0.9996"
  "+x_0=499999.999998"
  "+y_0=0"
  "+ellps=clrk66"
  "+towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925"
  "+units=ft"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

6128=PROJCS["Grand Cayman National Grid 1959",GEOGCS["GCGD59",DATUM["Grand_Cayman_Geodetic_Datum_1959",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4723"]],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","6128"]]

Related Coordinate Systems

Available Transformations (3)

Transformations inherited from base CRS: EPSG:4723 (GCGD59)

Transformation	Source → Target	Accuracy (m)
GCGD59 to CIGD11 (1)	4723 → 6135	0.3
GCGD59 to WGS 84 (2)	4723 → 4326	1
GCGD59 to WGS 84 (1)	4723 → 4326	1

Other CRS using Grand Cayman Geodetic Datum 1959

Frequently Asked Questions

How do I add EPSG:6128 to GeoServer?

Add the following definition to your GeoServer configuration:

6128=PROJCS["Grand Cayman National Grid 1959",GEOGCS["GCGD59",DATUM["Grand_Cayman_Geodetic_Datum_1959",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4723"]],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","6128"]]

Read the full GeoServer guide →

How do I add EPSG:6128 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6128, 'EPSG', 6128, '+proj=tmerc +lat_0=0 +lon_0=-81 +k=0.9996 +x_0=499999.999998 +y_0=0 +ellps=clrk66 +towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925 +units=ft +no_defs +type=crs', 'PROJCS["Grand Cayman National Grid 1959",GEOGCS["GCGD59",DATUM["Grand_Cayman_Geodetic_Datum_1959",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4723"]],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","6128"]]');

Read the full PostGIS guide →

How do I add EPSG:6128 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=-81"
  "+k=0.9996"
  "+x_0=499999.999998"
  "+y_0=0"
  "+ellps=clrk66"
  "+towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925"
  "+units=ft"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:6128 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:6128", "+proj=tmerc +lat_0=0 +lon_0=-81 +k=0.9996 +x_0=499999.999998 +y_0=0 +ellps=clrk66 +towgs84=-179.483,-69.379,-27.584,7.862,-8.163,-6.042,-13.925 +units=ft +no_defs +type=crs");

Read the full Proj4js guide →