Name: HD72 to ETRF2000 (1)
Method: NTv2
Grid Files: hu_sgo_hd72corr.gsb
Remarks: Used in the official SGO EHT coordinate transformation tool. For access to the grid file see https://www.gnssnet.hu/.
Information source: Lechner Knowledge Center, Satellite Geodesy Observatory (SGO), https://eht2.gnssnet.hu
Revision date: 2024-09-16
Unit: degree (supplier to define representation)
Geodetic CRS: HD72
Datum: Hungarian Datum 1972
Ellipsoid: GRS 1967
Prime meridian: Greenwich
Data source: EPSG
Revision date: 2008-08-02
Scope: Geodesy.
Remarks: Replaced HD1909 (EPSG CRS code 3819).
Area of use: Hungary.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ GEOGCRS["HD72", DATUM["Hungarian Datum 1972", ELLIPSOID["GRS 1967",6378160,298.247167427, 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["Hungary."], BBOX[45.74,16.11,48.58,22.9]], ID["EPSG",4237], REMARK["Replaced HD1909 (EPSG CRS code 3819)."]]], TARGETCRS[ GEOGCRS["ETRF2000", DYNAMIC[ FRAMEEPOCH[1989]], DATUM["European Terrestrial Reference Frame 2000", ELLIPSOID["GRS 1980",6378137,298.257222101, 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["Europe - onshore and offshore - ETRF extent - approximately 16°W to 33°E and 33°N to 84°N."], BBOX[33.26,-16.1,84.73,38.01]], ID["EPSG",9067], REMARK["Replaces ETRF97 (code 9066). On the publication of ETRF2005 the EUREF Technical Working Group recommended ETRF2000 be the realization of ETRS89. ETRF2014 and ETRF2020 (codes 9069 and 10571) are technically superior to all earlier realizations of ETRS89."]]], ABRIDGEDTRANSFORMATION["HD72 to ETRF2000 (1)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","hu_sgo_hd72corr.gsb"], USAGE[ SCOPE["Geodesy, cadastre, engineering survey, topographic mapping."], AREA["Hungary."], BBOX[45.74,16.11,48.58,22.9]], ID["EPSG",10663], REMARK["Used in the official SGO EHT coordinate transformation tool. For access to the grid file see https://www.gnssnet.hu/."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "GeographicCRS", "name": "HD72", "datum": { "type": "GeodeticReferenceFrame", "name": "Hungarian Datum 1972", "ellipsoid": { "name": "GRS 1967", "semi_major_axis": 6378160, "inverse_flattening": 298.247167427 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4237 }, "remarks": "Replaced HD1909 (EPSG CRS code 3819)." }, "target_crs": { "type": "GeographicCRS", "name": "ETRF2000", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "European Terrestrial Reference Frame 2000", "frame_reference_epoch": 1989, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 9067 }, "remarks": "Replaces ETRF97 (code 9066). On the publication of ETRF2005 the EUREF Technical Working Group recommended ETRF2000 be the realization of ETRS89. ETRF2014 and ETRF2020 (codes 9069 and 10571) are technically superior to all earlier realizations of ETRS89." }, "transformation": { "name": "HD72 to ETRF2000 (1)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "hu_sgo_hd72corr.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 10663 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=GRS67 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=GRS67 +no_defs +type=crs"> </Layer> </Map>