Geocentric translations (geog2D domain)
Sometime referred to as "Egypt 1907 to WGS 84". However, application to WGS 84 coordinates of the reverse of this tfm results in Gulf of Suez S-650 TL, not Egypt 1907, position. Gulf of Suez S-650 TL and Egypt 1907 CRSs differ by some 20 metres.
Maridive
2020-03-14
degree (supplier to define representation)
EPSG
Various industry sources.
2006-01-31
Oil and gas exploration and production.
Differs from Egypt 1907 (CRS code 4229) by approximately 20m.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Egypt Gulf of Suez S-650 TL", DATUM["Egypt_Gulf_of_Suez_S-650_TL", SPHEROID["Helmert 1906",6378200,298.3], TOWGS84[-146.21,112.63,4.05,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4706"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Egypt Gulf of Suez S-650 TL", DATUM["Egypt Gulf of Suez S-650 TL", ELLIPSOID["Helmert 1906",6378200,298.3, 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["Oil and gas exploration and production."], AREA["Egypt - Gulf of Suez."], BBOX[27.19,32.34,30.01,34.27]], ID["EPSG",4706]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Egypt Gulf of Suez S-650 TL", "datum": { "type": "GeodeticReferenceFrame", "name": "Egypt Gulf of Suez S-650 TL", "ellipsoid": { "name": "Helmert 1906", "semi_major_axis": 6378200, "inverse_flattening": 298.3 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "scope": "Oil and gas exploration and production.", "area": "Egypt - Gulf of Suez.", "bbox": { "south_latitude": 27.19, "west_longitude": 32.34, "north_latitude": 30.01, "east_longitude": 34.27 }, "id": { "authority": "EPSG", "code": 4706 } }
Definition: GeoServer
4706=GEOGCS["Egypt Gulf of Suez S-650 TL",DATUM["Egypt_Gulf_of_Suez_S-650_TL",SPHEROID["Helmert 1906",6378200,298.3],TOWGS84[-146.21,112.63,4.05,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4706"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=helmert +towgs84=-146.21,112.63,4.05,0,0,0,0 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=helmert +towgs84=-146.21,112.63,4.05,0,0,0,0 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4706, 'EPSG', 4706, '+proj=longlat +ellps=helmert +towgs84=-146.21,112.63,4.05,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Egypt Gulf of Suez S-650 TL",DATUM["Egypt_Gulf_of_Suez_S-650_TL",SPHEROID["Helmert 1906",6378200,298.3],TOWGS84[-146.21,112.63,4.05,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4706"]]');