EPSG:4174

Sierra Leone 1924

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Sierra Leone 1924

Datum: Sierra Leone Colony 1924

Ellipsoid: War Office

Prime meridian: Greenwich

Data source: EPSG

Information source: Ordnance Survey International

Revision date: 2004-01-06

Scope: Geodesy.

Remarks: Ellipsoid semi-major axis (a)=20926201 exactly Gold Coast feet; 1 Gold Coast foot = 0.3047997101815 m.

Area of use: Sierra Leone - Freetown Peninsula.

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

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SimpleMap

Center coordinates
-13.23 8.44

WGS84 bounds:
-13.34 8.32
-13.13 8.55

Sierra Leone - Freetown Peninsula.
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Definition: OGC Well Known Text

GEOGCS["Sierra Leone 1924",
    DATUM["Sierra_Leone_Colony_1924",
        SPHEROID["War Office",6378300,296,
            AUTHORITY["EPSG","7029"]],
        AUTHORITY["EPSG","6174"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4174"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Sierra Leone 1924",
    DATUM["Sierra Leone Colony 1924",
        ELLIPSOID["War Office",6378300,296,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        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["Sierra Leone - Freetown Peninsula."],
        BBOX[8.32,-13.34,8.55,-13.13]],
    ID["EPSG",4174]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Sierra_Leone_1924",
    DATUM["D_Sierra_Leone_1924",
        SPHEROID["War_Office",6378300.0,296.0]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +a=6378300 +rf=296 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4174","+proj=longlat +a=6378300 +rf=296 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Sierra Leone 1924",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Sierra Leone Colony 1924",
        "ellipsoid": {
            "name": "War Office",
            "semi_major_axis": 6378300,
            "inverse_flattening": 296
        }
    },
    "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": "Sierra Leone - Freetown Peninsula.",
    "bbox": {
        "south_latitude": 8.32,
        "west_longitude": -13.34,
        "north_latitude": 8.55,
        "east_longitude": -13.13
    },
    "id": {
        "authority": "EPSG",
        "code": 4174
    }
}

Definition: GeoServer

4174=GEOGCS["Sierra Leone 1924",DATUM["Sierra_Leone_Colony_1924",SPHEROID["War Office",6378300,296,AUTHORITY["EPSG","7029"]],AUTHORITY["EPSG","6174"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4174"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6378300"
	"rf=296"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +a=6378300 +rf=296 +no_defs +type=crs">
	<Layer srs="+proj=longlat +a=6378300 +rf=296 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4174, 'EPSG', 4174, '+proj=longlat +a=6378300 +rf=296 +no_defs +type=crs', 'GEOGCS["Sierra Leone 1924",DATUM["Sierra_Leone_Colony_1924",SPHEROID["War Office",6378300,296,AUTHORITY["EPSG","7029"]],AUTHORITY["EPSG","6174"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4174"]]');