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 "FNL22" in the emulation of the FNL22 Snake map projection.
Area of use: United Kingdom (UK) - on or related to the rail route from Inverness to Thurso and Wick.
WGS84 bounds:
-3.0 57.4
-4.6 58.64
Definition: OGC Well Known Text
DATUM["FNL22_Intermediate_Reference_Frame", SPHEROID["GRS 1980",6378137,298.257222101, AUTHORITY["EPSG","7019"]], AUTHORITY["EPSG","1321"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["FNL22 Intermediate Reference Frame", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ID["EPSG",1321]]
Definition: ESRI Well Known Text
DATUM["D_FNL22_Intermediate_Reference_Frame", SPHEROID["GRS_1980",6378137.0,298.257222101]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "FNL22 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 Inverness to Thurso and Wick.", "bbox": { "south_latitude": 57.4, "west_longitude": -4.6, "north_latitude": 58.64, "east_longitude": -3 }, "id": { "authority": "EPSG", "code": 1321 } }