EPSG:4638 — Saint Pierre et Miquelon 1950

Geographic 2D · St Pierre and Miquelon - onshore

Export Formats

OGC WKT

GEOGCS[
    "Saint Pierre et Miquelon 1950",
    DATUM[
        "Saint_Pierre_et_Miquelon_1950",
        SPHEROID["Clarke 1866",6378206.4,294.978698213898],
        TOWGS84[11.363,424.148,373.13,0,0,0,0]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4638"]
]

WKT2

GEOGCRS[
    "Saint Pierre et Miquelon 1950",
    DATUM[
        "Saint Pierre et Miquelon 1950",
        ELLIPSOID[
            "Clarke 1866",
            6378206.4,
            294.978698213898,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7008]
        ],
        ID["EPSG",6638]
    ],
    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",4638]
]

PROJ.4

+proj=longlat +ellps=clrk66 +towgs84=11.363,424.148,373.13,0,0,0,0 +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:4638", "+proj=longlat +ellps=clrk66 +towgs84=11.363,424.148,373.13,0,0,0,0 +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 4638,
  "name": "Saint Pierre et Miquelon 1950",
  "kind": "geographic 2D",
  "area": "St Pierre and Miquelon - onshore",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    46.69,
    -56.48,
    47.19,
    -56.07
  ],
  "proj4": "+proj=longlat +ellps=clrk66 +towgs84=11.363,424.148,373.13,0,0,0,0 +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 (4638, 'EPSG', 4638, '+proj=longlat +ellps=clrk66 +towgs84=11.363,424.148,373.13,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Saint Pierre et Miquelon 1950",DATUM["Saint_Pierre_et_Miquelon_1950",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11.363,424.148,373.13,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4638"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=longlat"
  "+ellps=clrk66"
  "+towgs84=11.363,424.148,373.13,0,0,0,0"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

4638=GEOGCS["Saint Pierre et Miquelon 1950",DATUM["Saint_Pierre_et_Miquelon_1950",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11.363,424.148,373.13,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4638"]]

Related Coordinate Systems

Available Transformations (2)

Transformation	Source → Target	Accuracy (m)
Saint Pierre et Miquelon 1950 to WGS 84 (2)	4638 → 4326	1
Saint Pierre et Miquelon 1950 to WGS 84 (1)	4638 → 4326	10

Other CRS using Saint Pierre et Miquelon 1950

Frequently Asked Questions

How do I add EPSG:4638 to GeoServer?

Add the following definition to your GeoServer configuration:

4638=GEOGCS["Saint Pierre et Miquelon 1950",DATUM["Saint_Pierre_et_Miquelon_1950",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11.363,424.148,373.13,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4638"]]

Read the full GeoServer guide →

How do I add EPSG:4638 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4638, 'EPSG', 4638, '+proj=longlat +ellps=clrk66 +towgs84=11.363,424.148,373.13,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Saint Pierre et Miquelon 1950",DATUM["Saint_Pierre_et_Miquelon_1950",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[11.363,424.148,373.13,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4638"]]');

Read the full PostGIS guide →

How do I add EPSG:4638 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=longlat"
  "+ellps=clrk66"
  "+towgs84=11.363,424.148,373.13,0,0,0,0"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:4638 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:4638", "+proj=longlat +ellps=clrk66 +towgs84=11.363,424.148,373.13,0,0,0,0 +no_defs +type=crs");

Read the full Proj4js guide →