Name: NAD27 to NAD83(CSRS)v3 (9)
Method: NTv2
Grid Files: NVI27_05.GSB
Remarks: Derived through NAD83(CSRS)v3.
Information source: GeoBC, Government of British Columbia, via ISO Geodetic Register.
Revision date: 2019-07-15
Unit: foot
Geodetic CRS: NAD27
Datum: North American Datum 1927
Ellipsoid: Clarke 1866
Prime meridian: Greenwich
Data source: EPSG
Information source: Service New Brunswick.
Revision date: 2011-09-03
Scope: Engineering survey, topographic mapping.
Remarks: In use until 1979 when replaced by ATS77 / NB Stereographic (CRS code 2200).
Area of use: Canada - New Brunswick.
Coordinate system: Cartesian 2D CS. Axes: northing, easting (N,E). Orientations: north, east. UoM: ft.
Center coordinates
-12132545.66 7758773.75
Projected bounds:
-12965545.16 6929481.26
-11316998.43 8586221.91
WGS84 bounds:
-128.5 48.48
-123.49 50.93
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["NAD27 / New Brunswick Stereographic (NAD27)", BASEGEOGCRS["NAD27", DATUM["North American Datum 1927", ELLIPSOID["Clarke 1866",6378206.4,294.978698213898, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4267]], CONVERSION["New Brunswick Stereographic (NAD27)", METHOD["Oblique Stereographic", ID["EPSG",9809]], PARAMETER["Latitude of natural origin",46.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-66.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.999912, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",1000000, LENGTHUNIT["foot",0.3048], ID["EPSG",8806]], PARAMETER["False northing",1000000, LENGTHUNIT["foot",0.3048], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (N)",north, ORDER[1], LENGTHUNIT["foot",0.3048]], AXIS["easting (E)",east, ORDER[2], LENGTHUNIT["foot",0.3048]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Canada - New Brunswick."], BBOX[44.56,-69.05,48.07,-63.7]], ID["EPSG",5588]]], TARGETCRS[ GEOGCRS["NAD83(CSRS)v3", DATUM["North American Datum of 1983 (CSRS) version 3", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1997]], 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["Horizontal component of 3D system."], AREA["Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon."], BBOX[38.21,-141.01,86.46,-40.73]], ID["EPSG",8240], REMARK["Adopted by the Canadian federal government from 1999-01-01 and by the provincial governments of Alberta, British Columbia, Manitoba, Newfoundland and Labrador, Nova Scotia, Ontario and Saskatchewan. Replaces NAD83(CSRS)v2. Replaced by NAD83(CSRS)v4."]]], ABRIDGEDTRANSFORMATION["NAD27 to NAD83(CSRS)v3 (9)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","NVI27_05.GSB"], USAGE[ SCOPE["Geodesy."], AREA["Canada - British Columbia - north Vancouver Island."], BBOX[48.48,-128.5,50.93,-123.49]], ID["EPSG",9114], REMARK["Derived through NAD83(CSRS)v3."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "NAD27 / New Brunswick Stereographic (NAD27)", "base_crs": { "type": "GeographicCRS", "name": "NAD27", "datum": { "type": "GeodeticReferenceFrame", "name": "North American Datum 1927", "ellipsoid": { "name": "Clarke 1866", "semi_major_axis": 6378206.4, "semi_minor_axis": 6356583.8 } }, "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": 4267 }, "remarks": "Note: this CRS includes longitudes which are POSITIVE EAST. Replaced by NAD27(76) (code 4608) in Ontario, CGQ77 (code 4609) in Quebec, Mexican Datum of 1993 (code 4483) in Mexico, NAD83 (code 4269) in Canada (excl. Ontario & Quebec) & USA." }, "conversion": { "name": "New Brunswick Stereographic (NAD27)", "method": { "name": "Oblique Stereographic", "id": { "authority": "EPSG", "code": 9809 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 46.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -66.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.999912, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 1000000, "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 1000000, "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 } }, { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 } } ] }, "id": { "authority": "EPSG", "code": 5588 } }, "target_crs": { "type": "GeographicCRS", "name": "NAD83(CSRS)v3", "datum": { "type": "GeodeticReferenceFrame", "name": "North American Datum of 1983 (CSRS) version 3", "anchor_epoch": 1997, "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": 8240 }, "remarks": "Adopted by the Canadian federal government from 1999-01-01 and by the provincial governments of Alberta, British Columbia, Manitoba, Newfoundland and Labrador, Nova Scotia, Ontario and Saskatchewan. Replaces NAD83(CSRS)v2. Replaced by NAD83(CSRS)v4." }, "transformation": { "name": "NAD27 to NAD83(CSRS)v3 (9)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "NVI27_05.GSB", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 9114 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=sterea +lat_0=46.5 +lon_0=-66.5 +k=0.999912 +x_0=304800 +y_0=304800 +datum=NAD27 +units=ft +no_defs +type=crs"> <Layer srs="+proj=sterea +lat_0=46.5 +lon_0=-66.5 +k=0.999912 +x_0=304800 +y_0=304800 +datum=NAD27 +units=ft +no_defs +type=crs"> </Layer> </Map>