EPSG:4903

Madrid 1870 (Madrid)

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

  • Spain - mainland onshore. , accuracy 14.0 m, code 8241 (default)

Selected transformation

Remarks:

Information source: See individual transformations.

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Madrid 1870 (Madrid)

Datum: Madrid 1870 (Madrid)

Ellipsoid: Struve 1860

Prime meridian: Madrid

Data source: EPSG

Information source: National Geographic Institute of Spain (IGN), http://www.ign.es

Revision date: 2020-07-01

Scope: Geodesy.

Remarks: Replaced by ED50 in 1970.

Area of use: Spain - mainland onshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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SimpleMap

Center coordinates
0.7 39.89

WGS84 bounds:
-9.37 35.95
3.39 43.82

Spain - mainland onshore.
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Definition: OGC Well Known Text

GEOGCS["Madrid 1870 (Madrid)",
    DATUM["Madrid_1870_Madrid",
        SPHEROID["Struve 1860",6378298.3,294.73,
            AUTHORITY["EPSG","7028"]],
        AUTHORITY["EPSG","6903"]],
    PRIMEM["Madrid",-3.687375,
        AUTHORITY["EPSG","8905"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4903"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Madrid 1870 (Madrid)",
    DATUM["Madrid 1870 (Madrid)",
        ELLIPSOID["Struve 1860",6378298.3,294.73,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Madrid",-3.687375,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["Spain - mainland onshore."],
        BBOX[35.95,-9.37,43.82,3.39]],
    ID["EPSG",4903]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Madrid_1870_Madrid",
    DATUM["D_Madrid_1870",
        SPHEROID["Struve_1860",6378298.3,294.73]],
    PRIMEM["Madrid",-3.687375],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +a=6378298.3 +rf=294.73 +pm=-3.687375 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4903","+proj=longlat +a=6378298.3 +rf=294.73 +pm=-3.687375 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Madrid 1870 (Madrid)",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Madrid 1870 (Madrid)",
        "ellipsoid": {
            "name": "Struve 1860",
            "semi_major_axis": 6378298.3,
            "inverse_flattening": 294.73
        },
        "prime_meridian": {
            "name": "Madrid",
            "longitude": -3.687375
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "Spain - mainland onshore.",
    "bbox": {
        "south_latitude": 35.95,
        "west_longitude": -9.37,
        "north_latitude": 43.82,
        "east_longitude": 3.39
    },
    "id": {
        "authority": "EPSG",
        "code": 4903
    }
}

Definition: GeoServer

4903=GEOGCS["Madrid 1870 (Madrid)",DATUM["Madrid_1870_Madrid",SPHEROID["Struve 1860",6378298.3,294.73,AUTHORITY["EPSG","7028"]],AUTHORITY["EPSG","6903"]],PRIMEM["Madrid",-3.687375,AUTHORITY["EPSG","8905"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4903"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6378298.3"
	"rf=294.73"
	"pm=-3.687375"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +a=6378298.3 +rf=294.73 +pm=-3.687375 +no_defs +type=crs">
	<Layer srs="+proj=longlat +a=6378298.3 +rf=294.73 +pm=-3.687375 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4903, 'EPSG', 4903, '+proj=longlat +a=6378298.3 +rf=294.73 +pm=-3.687375 +no_defs +type=crs', 'GEOGCS["Madrid 1870 (Madrid)",DATUM["Madrid_1870_Madrid",SPHEROID["Struve 1860",6378298.3,294.73,AUTHORITY["EPSG","7028"]],AUTHORITY["EPSG","6903"]],PRIMEM["Madrid",-3.687375,AUTHORITY["EPSG","8905"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4903"]]');