Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Network Rail.
Revision date: 2022-04-08
Scope: Engineering survey and topographic mapping for railway applications.
Remarks: Created in 2022 to support intermediate CRS "HULLEE13-IRF" in the emulation of the HULLEE13 Snake map projection.
Area of use: United Kingdom (UK) - on or related to the rail route from the Morley tunnel through Leeds to Hull.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "HULLEE13 Intermediate Reference Frame", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Engineering survey and topographic mapping for railway applications.", "area": "United Kingdom (UK) - on or related to the rail route from the Morley tunnel through Leeds to Hull.", "bbox": { "south_latitude": 53.6, "west_longitude": -1.7, "north_latitude": 53.9, "east_longitude": -0.27 }, "id": { "authority": "EPSG", "code": 1317 } }