EPSG:4601 — Antigua 1943

Geographic 2D · Antigua - onshore

Export Formats

OGC WKT

GEOGCS[
    "Antigua 1943",
    DATUM[
        "Antigua_1943",
        SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],
        TOWGS84[-255,-15,71,0,0,0,0]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4601"]
]

WKT2

GEOGCRS[
    "Antigua 1943",
    DATUM[
        "Antigua 1943",
        ELLIPSOID[
            "Clarke 1880 (RGS)",
            6378249.145,
            293.465,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7012]
        ],
        ID["EPSG",6601]
    ],
    CS[ellipsoidal,2,ID["EPSG",6422]],
    AXIS["Geodetic latitude (Lat)",north],
    AXIS["Geodetic longitude (Lon)",east],
    ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
    ID["EPSG",4601]
]

PROJ.4

+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-255,-15,71,0,0,0,0 +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:4601", "+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-255,-15,71,0,0,0,0 +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 4601,
  "name": "Antigua 1943",
  "kind": "geographic 2D",
  "area": "Antigua - onshore",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    16.94,
    -61.95,
    17.22,
    -61.61
  ],
  "proj4": "+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-255,-15,71,0,0,0,0 +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 (4601, 'EPSG', 4601, '+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-255,-15,71,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Antigua 1943",DATUM["Antigua_1943",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-255,-15,71,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4601"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=longlat"
  "+a=6378249.145"
  "+rf=293.465"
  "+towgs84=-255,-15,71,0,0,0,0"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

4601=GEOGCS["Antigua 1943",DATUM["Antigua_1943",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-255,-15,71,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4601"]]

Related Coordinate Systems

Available Transformations (2)

Transformation	Source → Target	Accuracy (m)
Antigua 1943 to WGS 84 (1)	4601 → 4326	10
Antigua 1943 to WGS 84 (2)	4601 → 4326	44

Other CRS using Antigua 1943

Frequently Asked Questions

How do I add EPSG:4601 to GeoServer?

Add the following definition to your GeoServer configuration:

4601=GEOGCS["Antigua 1943",DATUM["Antigua_1943",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-255,-15,71,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4601"]]

Read the full GeoServer guide →

How do I add EPSG:4601 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4601, 'EPSG', 4601, '+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-255,-15,71,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Antigua 1943",DATUM["Antigua_1943",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-255,-15,71,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4601"]]');

Read the full PostGIS guide →

How do I add EPSG:4601 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=longlat"
  "+a=6378249.145"
  "+rf=293.465"
  "+towgs84=-255,-15,71,0,0,0,0"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:4601 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:4601", "+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-255,-15,71,0,0,0,0 +no_defs +type=crs");

Read the full Proj4js guide →