degree (supplier to define representation)
Unknown datum based upon the Bessel 1841 ellipsoid
Not specified (based on Bessel 1841 ellipsoid)
EPSG
OGP
2004-01-06
Not recommended.
Use only in cases where geodetic datum is unknown.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Unknown datum based upon the Bessel 1841 ellipsoid (deprecated)", DATUM["Not_specified_based_on_Bessel_1841_ellipsoid", SPHEROID["Bessel 1841",6377397.155,299.1528128, AUTHORITY["EPSG","7004"]], AUTHORITY["EPSG","6004"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4004"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Unknown datum based upon the Bessel 1841 ellipsoid", DATUM["Not specified (based on Bessel 1841 ellipsoid)", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, 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["Not recommended."], AREA["Not specified."], BBOX[-90,-180,90,180]], ID["EPSG",4004]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Unknown datum based upon the Bessel 1841 ellipsoid", "datum": { "type": "GeodeticReferenceFrame", "name": "Not specified (based on Bessel 1841 ellipsoid)", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "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": "Not recommended.", "area": "Not specified.", "bbox": { "south_latitude": -90, "west_longitude": -180, "north_latitude": 90, "east_longitude": 180 }, "id": { "authority": "EPSG", "code": 4004 } }
Definition: GeoServer
4004=GEOGCS["Unknown datum based upon the Bessel 1841 ellipsoid (deprecated)",DATUM["Not_specified_based_on_Bessel_1841_ellipsoid",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","6004"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4004"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=bessel +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=bessel +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4004, 'EPSG', 4004, '+proj=longlat +ellps=bessel +no_defs +type=crs', 'GEOGCS["Unknown datum based upon the Bessel 1841 ellipsoid (deprecated)",DATUM["Not_specified_based_on_Bessel_1841_ellipsoid",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","6004"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4004"]]');