EPSG:4293

Schwarzeck

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Available transformations
to EPSG:4326
No other targets exist for this CRS

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at 3 stations. Accuracy 20m in each axis. Beware! Source CRS uses German legal metres, transformation parameter values are in (International) metres. See tfm code 1271 for example.

Information source: U.S. Defense Mapping Agency TR8350.2 September 1987.

Revision date: 2023-11-19

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Schwarzeck

Datum: Schwarzeck

Ellipsoid: Bessel Namibia (GLM)

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2004-01-06

Scope: Geodesy.

Area of use: Namibia - onshore and offshore.

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

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Center coordinates
16.76 -23.79

WGS84 bounds:
8.24 -30.64
25.27 -16.95

Namibia - onshore and offshore.
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Definition: OGC Well Known Text

GEOGCS["Schwarzeck",
    DATUM["Schwarzeck",
        SPHEROID["Bessel Namibia (GLM)",6377483.86528042,299.1528128],
        TOWGS84[616,97,-251,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4293"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Schwarzeck",
    DATUM["Schwarzeck",
        ELLIPSOID["Bessel Namibia (GLM)",6377397.155,299.1528128,
            LENGTHUNIT["German legal metre",1.0000135965]]],
    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["Namibia - onshore and offshore."],
        BBOX[-30.64,8.24,-16.95,25.27]],
    ID["EPSG",4293]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Schwarzeck",
    DATUM["D_Schwarzeck",
        SPHEROID["Bessel_Namibia_GLM",6377483.86528042,299.1528128]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4293","+proj=longlat +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Schwarzeck",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Schwarzeck",
        "ellipsoid": {
            "name": "Bessel Namibia (GLM)",
            "semi_major_axis": {
                "value": 6377397.155,
                "unit": {
                    "type": "LinearUnit",
                    "name": "German legal metre",
                    "conversion_factor": 1.0000135965
                }
            },
            "inverse_flattening": 299.1528128
        }
    },
    "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": "Namibia - onshore and offshore.",
    "bbox": {
        "south_latitude": -30.64,
        "west_longitude": 8.24,
        "north_latitude": -16.95,
        "east_longitude": 25.27
    },
    "id": {
        "authority": "EPSG",
        "code": 4293
    }
}

Definition: GeoServer

4293=GEOGCS["Schwarzeck",DATUM["Schwarzeck",SPHEROID["Bessel Namibia (GLM)",6377483.86528042,299.1528128],TOWGS84[616,97,-251,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4293"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=bess_nam"
	"towgs84=616,97,-251,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4293, 'EPSG', 4293, '+proj=longlat +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Schwarzeck",DATUM["Schwarzeck",SPHEROID["Bessel Namibia (GLM)",6377483.86528042,299.1528128],TOWGS84[616,97,-251,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4293"]]');