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Method: NADCON
Grid Files: conus.las conus.los
Remarks: Parameter files are from NAD27 to NAD83 (1) (code 1241) assuming that NAD83 is equivalent to WGS 84 within the accuracy of this tfm. Uses NADCON method which expects longitudes positive west; EPSG CRS codes 4267 and 4326 have longitudes positive east.
Information source: OGP
Revision date: 2021-09-10
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.
&stroke=red&width=2&path=23.81,-129.17|49.38,-129.17|49.38,-65.69|23.81,-65.69|23.81,-129.17)
Center coordinates
-8068981.33 -947323.64
Projected bounds:
-20509148.53 -7366451.39
1281267.59 8295830.58
WGS84 bounds:
-129.17 23.81
-65.69 49.38
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["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], 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["World."], BBOX[-90,-180,90,180]], ID["EPSG",4326]]], ABRIDGEDTRANSFORMATION["NAD27 to WGS 84 (79)", METHOD["NADCON", ID["EPSG",9613]], PARAMETERFILE["Latitude difference file","conus.las"], PARAMETERFILE["Longitude difference file","conus.los"], USAGE[ SCOPE["(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences."], AREA["United States (USA) - CONUS including EEZ - onshore and offshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming. US Gulf of Mexico (GoM) OCS."], BBOX[23.81,-129.17,49.38,-65.69]], ID["EPSG",15851], REMARK["Parameter files are from NAD27 to NAD83 (1) (code 1241) assuming that NAD83 is equivalent to WGS 84 within the accuracy of this tfm. Uses NADCON method which expects longitudes positive west; EPSG CRS codes 4267 and 4326 have longitudes positive east."]]]
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": { "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 } }, "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": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "transformation": { "name": "NAD27 to WGS 84 (79)", "method": { "name": "NADCON", "id": { "authority": "EPSG", "code": 9613 } }, "parameters": [ { "name": "Latitude difference file", "value": "conus.las", "id": { "authority": "EPSG", "code": 8657 } }, { "name": "Longitude difference file", "value": "conus.los", "id": { "authority": "EPSG", "code": 8658 } } ], "id": { "authority": "EPSG", "code": 15851 } } }
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