Name: NAD83(CSRS) to WGS 84 (2)
Method: Coordinate Frame rotation (geog2D domain)
Remarks: Approximation derived from tfm code 6864 ignoring time-dependent parameters and assuming ITRF96(1997.0) and WGS 84 can be considered the same within the accuracy of the transformation.
Information source: "Realization and Unification of NAD83 in Canada and the U.S. via the ITRF" by Cramer et al, IAG Proceedings, Section II, Munich, October 5-9, 1998; revised 11 March 1999.
Revision date: 2021-09-08
Unit: metre
Geodetic CRS: NAD83(CSRS)
Datum: NAD83 Canadian Spatial Reference System
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2012-12-11
Scope: Exploration and development, mapping.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
Center coordinates
17876057.75 3099212.36
Projected bounds:
13275054.36 139573.49
22133349.41 5959636.58
WGS84 bounds:
-141.01 38.21
-40.73 86.46
Definition: OGC Well Known Text
PROJCS["NAD83(CSRS) / EPSG Arctic zone 4-18", GEOGCS["NAD83(CSRS)", DATUM["NAD83_Canadian_Spatial_Reference_System", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[-0.991,1.9072,0.5129,-1.25033E-07,-4.6785E-08,-5.6529E-08,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4617"]], PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["latitude_of_origin",75.3644033055556], PARAMETER["central_meridian",-79], PARAMETER["standard_parallel_1",77], PARAMETER["standard_parallel_2",73.6666666666667], PARAMETER["false_easting",18500000], PARAMETER["false_northing",4500000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","6106"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD83(CSRS) / EPSG Arctic zone 4-18", BASEGEOGCRS["NAD83(CSRS)", DATUM["NAD83 Canadian Spatial Reference System", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4617]], CONVERSION["EPSG Arctic LCC zone 4-18", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",75.3644033055556, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",-79, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",77, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",73.6666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",18500000, LENGTHUNIT["metre",1], ID["EPSG",8826]], PARAMETER["Northing at false origin",4500000, LENGTHUNIT["metre",1], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Exploration and development, mapping."], AREA["Arctic - between 77°50'N and 72°50'N, approximately 91°W to approximately 67°W. May be extended westwards within the latitude limits."], BBOX[72.83,-91,77.84,-67]], ID["EPSG",6106]]
Definition: ESRI Well Known Text
PROJCS["NAD_1983_CSRS_EPSG_Arctic_zone_4-18", GEOGCS["GCS_North_American_1983_CSRS", DATUM["D_North_American_1983_CSRS", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",18500000.0], PARAMETER["False_Northing",4500000.0], PARAMETER["Central_Meridian",-79.0], PARAMETER["Standard_Parallel_1",77.0], PARAMETER["Standard_Parallel_2",73.6666666666667], PARAMETER["Latitude_Of_Origin",75.3644033055556], UNIT["Meter",1.0]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:6106","+proj=lcc +lat_0=75.3644033055556 +lon_0=-79 +lat_1=77 +lat_2=73.6666666666667 +x_0=18500000 +y_0=4500000 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83(CSRS) / EPSG Arctic zone 4-18", "base_crs": { "name": "NAD83(CSRS)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 Canadian Spatial Reference System", "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": 4617 } }, "conversion": { "name": "EPSG Arctic LCC zone 4-18", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 75.3644033055556, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -79, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 77, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 73.6666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 18500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 4500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Exploration and development, mapping.", "area": "Arctic - between 77°50'N and 72°50'N, approximately 91°W to approximately 67°W. May be extended westwards within the latitude limits.", "bbox": { "south_latitude": 72.83, "west_longitude": -91, "north_latitude": 77.84, "east_longitude": -67 }, "id": { "authority": "EPSG", "code": 6106 } }
Definition: GeoServer
6106=PROJCS["NAD83(CSRS) / EPSG Arctic zone 4-18",GEOGCS["NAD83(CSRS)",DATUM["NAD83_Canadian_Spatial_Reference_System",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.991,1.9072,0.5129,-1.25033E-07,-4.6785E-08,-5.6529E-08,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4617"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",75.3644033055556],PARAMETER["central_meridian",-79],PARAMETER["standard_parallel_1",77],PARAMETER["standard_parallel_2",73.6666666666667],PARAMETER["false_easting",18500000],PARAMETER["false_northing",4500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6106"]]
Definition: MapServer - MAPfile
PROJECTION "proj=lcc" "lat_0=75.3644033055556" "lon_0=-79" "lat_1=77" "lat_2=73.6666666666667" "x_0=18500000" "y_0=4500000" "ellps=GRS80" "towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0" "units=m" "no_defs" "type=crs" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=75.3644033055556 +lon_0=-79 +lat_1=77 +lat_2=73.6666666666667 +x_0=18500000 +y_0=4500000 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=75.3644033055556 +lon_0=-79 +lat_1=77 +lat_2=73.6666666666667 +x_0=18500000 +y_0=4500000 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6106, 'EPSG', 6106, '+proj=lcc +lat_0=75.3644033055556 +lon_0=-79 +lat_1=77 +lat_2=73.6666666666667 +x_0=18500000 +y_0=4500000 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83(CSRS) / EPSG Arctic zone 4-18",GEOGCS["NAD83(CSRS)",DATUM["NAD83_Canadian_Spatial_Reference_System",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.991,1.9072,0.5129,-1.25033E-07,-4.6785E-08,-5.6529E-08,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4617"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",75.3644033055556],PARAMETER["central_meridian",-79],PARAMETER["standard_parallel_1",77],PARAMETER["standard_parallel_2",73.6666666666667],PARAMETER["false_easting",18500000],PARAMETER["false_northing",4500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6106"]]');