Geocentric translations (geog2D domain)
Derived at 8 stations. Accuracy 2m, 3m and 2m in X, Y and Z axes.
U.S. Defense Mapping Agency TR8350.2 revision of August 1993.
2020-03-14
degree (supplier to define representation)
EPSG
Ordnance Survey International
2004-01-06
Geodesy.
Replaced Accra (code 4168) from 1978.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Leigon", DATUM["Leigon", SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465], TOWGS84[-130,29,364,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4250"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Leigon", DATUM["Leigon", ELLIPSOID["Clarke 1880 (RGS)",6378249.145,293.465, 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["Ghana - onshore and offshore."], BBOX[1.4,-3.79,11.16,2.1]], ID["EPSG",4250]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Leigon", "datum": { "type": "GeodeticReferenceFrame", "name": "Leigon", "ellipsoid": { "name": "Clarke 1880 (RGS)", "semi_major_axis": 6378249.145, "inverse_flattening": 293.465 } }, "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": "Ghana - onshore and offshore.", "bbox": { "south_latitude": 1.4, "west_longitude": -3.79, "north_latitude": 11.16, "east_longitude": 2.1 }, "id": { "authority": "EPSG", "code": 4250 } }
Definition: GeoServer
4250=GEOGCS["Leigon",DATUM["Leigon",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-130,29,364,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4250"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-130,29,364,0,0,0,0 +no_defs +type=crs"> <Layer srs="+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-130,29,364,0,0,0,0 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4250, 'EPSG', 4250, '+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-130,29,364,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Leigon",DATUM["Leigon",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-130,29,364,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4250"]]');