EPSG:3920 — Puerto Rico / UTM zone 20N

Projected · Virgin Islands, British - onshore

Export Formats

OGC WKT

PROJCS[
    "Puerto Rico / UTM zone 20N",
    GEOGCS[
        "Puerto Rico",
        DATUM[
            "Puerto_Rico",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            TOWGS84[11,72,-101,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4139"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-63],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","3920"]
]

WKT2

PROJCRS[
    "Puerto Rico / UTM zone 20N",
    BASEGEOGCRS[
        "Puerto Rico",
        DATUM[
            "Puerto Rico",
            ELLIPSOID[
                "Clarke 1866",
                6378206.4,
                294.978698213898,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7008]
            ],
            ID["EPSG",6139]
        ],
        ID["EPSG",4139]
    ],
    CONVERSION[
        "UTM zone 20N",
        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",
            -63,
            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",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16020]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",3920]
]

PROJ.4

+proj=utm +zone=20 +ellps=clrk66 +towgs84=11,72,-101,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:3920", "+proj=utm +zone=20 +ellps=clrk66 +towgs84=11,72,-101,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 3920,
  "name": "Puerto Rico / UTM zone 20N",
  "kind": "projected",
  "area": "Virgin Islands, British - onshore",
  "unit": "metre",
  "bbox": [
    18.28,
    -64.88,
    18.78,
    -64.25
  ],
  "proj4": "+proj=utm +zone=20 +ellps=clrk66 +towgs84=11,72,-101,0,0,0,0 +units=m +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 (3920, 'EPSG', 3920, '+proj=utm +zone=20 +ellps=clrk66 +towgs84=11,72,-101,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Puerto Rico / UTM zone 20N",GEOGCS["Puerto Rico",DATUM["Puerto_Rico",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11,72,-101,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4139"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3920"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=utm"
  "+zone=20"
  "+ellps=clrk66"
  "+towgs84=11,72,-101,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

3920=PROJCS["Puerto Rico / UTM zone 20N",GEOGCS["Puerto Rico",DATUM["Puerto_Rico",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11,72,-101,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4139"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3920"]]

Related Coordinate Systems

Available Transformations (8)

Transformations inherited from base CRS: EPSG:4139 (Puerto Rico)

Transformation	Source → Target	Accuracy (m)
Puerto Rico to NAD83 (1)	4139 → 4269	0.05
Puerto Rico to NAD83(HARN) (1)	4139 → 4152	0.08
Puerto Rico to NAD83 (2)	4139 → 4269	0.15
Puerto Rico to WGS 84 (2)	4139 → 4326	1.5
Puerto Rico to WGS 84 (4)	4139 → 4326	2
Puerto Rico to WGS 84 (3)	4139 → 4326	6
Puerto Rico to WGS 84 (1) Deprecated	4139 → 4326	—
Puerto Rico to NAD83(HARN) (1) Deprecated	4139 → 4152	—

Other CRS using Puerto Rico

Frequently Asked Questions

How do I add EPSG:3920 to GeoServer?

Add the following definition to your GeoServer configuration:

3920=PROJCS["Puerto Rico / UTM zone 20N",GEOGCS["Puerto Rico",DATUM["Puerto_Rico",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11,72,-101,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4139"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3920"]]

Read the full GeoServer guide →

How do I add EPSG:3920 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3920, 'EPSG', 3920, '+proj=utm +zone=20 +ellps=clrk66 +towgs84=11,72,-101,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Puerto Rico / UTM zone 20N",GEOGCS["Puerto Rico",DATUM["Puerto_Rico",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11,72,-101,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4139"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3920"]]');

Read the full PostGIS guide →

How do I add EPSG:3920 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=utm"
  "+zone=20"
  "+ellps=clrk66"
  "+towgs84=11,72,-101,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:3920 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:3920", "+proj=utm +zone=20 +ellps=clrk66 +towgs84=11,72,-101,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

Puerto Rico

Datum

Puerto Rico

Ellipsoid

Clarke 1866

Prime Meridian

Greenwich

Area of Use

Virgin Islands, British - onshore

British Virgin Islands - onshore - Anegada, Jost Van Dyke, Tortola, and Virgin Gorda.

Coordinate System

Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.

Center Coordinates

334769.12 2049638.21

Projected Bounds

2077044.53 301224.73368215.79 2022284.07

WGS84 Bounds

18.78 -64.88-64.25 18.28

Data Source

EPSG

Information Source

Ordnance Survey of Great Britain

Revision Date

2009-09-05

Scope

Engineering survey, topographic mapping.

Remarks

NAD27 / UTM zone 20N (code 26720) used for military purposes. In 2002 replaced by NAD83 / UTM zone 20N (CRS code 26920).

EPSG

3920