EPSG:4747 — GR96

Geographic 2D · Greenland

Export Formats

OGC WKT

GEOGCS[
    "GR96",
    DATUM[
        "Greenland_1996",
        SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","6747"]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4747"]
]

WKT2

GEOGCRS[
    "GR96",
    ENSEMBLE[
        "Greenland Reference 1996 ensemble",
        MEMBER["Greenland Reference 1996 (1996)",ID["EPSG",1420]],
        MEMBER["Greenland Reference 1996 (2021)",ID["EPSG",1419]],
        ELLIPSOID[
            "GRS 1980",
            6378137,
            298.257222101,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7019]
        ],
        ENSEMBLEACCURACY[0.25],
        ID["EPSG",1421]
    ],
    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",4747]
]

PROJ.4

+proj=longlat +ellps=GRS80 +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:4747", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 4747,
  "name": "GR96",
  "kind": "geographic 2D",
  "area": "Greenland",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    56.38,
    -75,
    87.03,
    7.99
  ],
  "proj4": "+proj=longlat +ellps=GRS80 +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 (4747, 'EPSG', 4747, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4747"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

4747=GEOGCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4747"]]

Related Coordinate Systems

Available Transformations (10)

Transformation	Source → Target	Accuracy (m)
Ammassalik 1958 to GR96 (2)	4196 → 4747	0.4
Ammassalik 1958 to GR96 (1)	4196 → 4747	1
GR96 to WGS 84 (1)	4747 → 4326	1
Qoornoq 1927 to GR96 (2)	4194 → 4747	8
Qoornoq 1927 to GR96 (1)	4194 → 4747	10
Scoresbysund 1952 to GR96 (2)	4195 → 4747	10
Scoresbysund 1952 to GR96 (1)	4195 → 4747	12
Qoornoq 1927 to GR96 (2) Deprecated	4194 → 4747	8
Qornoq to GR96 (1) Deprecated	4747 → 4747	1
Qornoq to GR96 (1) Deprecated	4747 → 4747	1

Other CRS for GL

Other CRS using Greenland Reference 1996 ensemble (33)

Frequently Asked Questions

How do I add EPSG:4747 to GeoServer?

Add the following definition to your GeoServer configuration:

4747=GEOGCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4747"]]

Read the full GeoServer guide →

How do I add EPSG:4747 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4747, 'EPSG', 4747, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4747"]]');

Read the full PostGIS guide →

How do I add EPSG:4747 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:4747 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:4747", "+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Read the full Proj4js guide →