Position Vector transformation (geog2D domain)
Derived at 3 stations. Residuals under 1m.
"Transformation from existing geodetic network to WGS84", Geodesy Division, Statens kartverk, 26/11/92.
2020-03-14
Definition: OGC Well Known Text
PROJCS["Helle 1954 / Jan Mayen Grid", GEOGCS["Helle 1954", DATUM["Helle_1954", SPHEROID["International 1924",6378388,297], TOWGS84[982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4660"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-8.5], PARAMETER["scale_factor",1], PARAMETER["false_easting",50000], PARAMETER["false_northing",-7800000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","3058"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["Helle 1954 / Jan Mayen Grid", BASEGEOGCRS["Helle 1954", DATUM["Helle 1954", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4660]], CONVERSION["Jan Mayen Grid", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-8.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",50000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",-7800000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (x)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (y)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Topographic mapping."], AREA["Jan Mayen - onshore."], BBOX[70.75,-9.17,71.24,-7.87]], ID["EPSG",3058]]
Definition: ESRI Well Known Text
PROJCS["Helle_1954_Jan_Mayen_Grid", GEOGCS["GCS_Helle_1954", DATUM["D_Helle_1954", SPHEROID["International_1924",6378388.0,297.0]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",50000.0], PARAMETER["False_Northing",-7800000.0], PARAMETER["Central_Meridian",-8.5], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",0.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Helle 1954 / Jan Mayen Grid", "base_crs": { "name": "Helle 1954", "datum": { "type": "GeodeticReferenceFrame", "name": "Helle 1954", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 } }, "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": 4660 } }, "conversion": { "name": "Jan Mayen Grid", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -8.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 50000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": -7800000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "x", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "y", "direction": "east", "unit": "metre" } ] }, "scope": "Topographic mapping.", "area": "Jan Mayen - onshore.", "bbox": { "south_latitude": 70.75, "west_longitude": -9.17, "north_latitude": 71.24, "east_longitude": -7.87 }, "id": { "authority": "EPSG", "code": 3058 } }
Definition: GeoServer
3058=PROJCS["Helle 1954 / Jan Mayen Grid",GEOGCS["Helle 1954",DATUM["Helle_1954",SPHEROID["International 1924",6378388,297],TOWGS84[982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4660"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-8.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",50000],PARAMETER["false_northing",-7800000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3058"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=-8.5 +k=1 +x_0=50000 +y_0=-7800000 +ellps=intl +towgs84=982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=-8.5 +k=1 +x_0=50000 +y_0=-7800000 +ellps=intl +towgs84=982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3058, 'EPSG', 3058, '+proj=tmerc +lat_0=0 +lon_0=-8.5 +k=1 +x_0=50000 +y_0=-7800000 +ellps=intl +towgs84=982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805 +units=m +no_defs +type=crs', 'PROJCS["Helle 1954 / Jan Mayen Grid",GEOGCS["Helle 1954",DATUM["Helle_1954",SPHEROID["International 1924",6378388,297],TOWGS84[982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4660"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-8.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",50000],PARAMETER["false_northing",-7800000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3058"]]');