Coordinate Frame rotation (geog2D domain)
Approximation derived ignoring time-dependent parameters and assuming ITRF94(1996.0) and WGS 84, plus NAD83(CORS94) and NAD83(HARN), can be considered the same within the accuracy of the transformation. Replaced by NAD83(HARN) to WGS 84 (3) (code 1901).
US National Geodetic Survey http://www.ngs.noaa.gov/CORS/Derivation.html
2021-09-08
metre
NAD83 (High Accuracy Reference Network)
EPSG
U.S. National Geodetic Survey, http://www.ngs.noaa.gov/
2008-02-08
Engineering survey, topographic mapping.
State law defines use of US survey feet. Federal definition is metric - see code 2802. Replaces NAD83 / SPCS for applications with an accuracy of better than 3ft. Replaced by NAD83(NSRS2007) / SPCS.
Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
-2161302.2 -383014.33
-6021900.15 -2135476.75
461266.38 2327010.8
-124.79 24.41
-66.91 49.38
Definition: OGC Well Known Text
PROJCS["NAD83(HARN) / Maine East (ftUS)", GEOGCS["NAD83(HARN)", DATUM["NAD83_High_Accuracy_Reference_Network", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[-0.9738,1.9453,0.5486,-1.3357E-07,-4.872E-08,-5.507E-08,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4152"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",43.6666666666667], PARAMETER["central_meridian",-68.5], PARAMETER["scale_factor",0.9999], PARAMETER["false_easting",300000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","26825"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["NAD83(HARN) / Maine East (ftUS)", BASEGEOGCRS["NAD83(HARN)", DATUM["NAD83 (High Accuracy Reference Network)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4152]], CONVERSION["SPCS83 Maine East zone (US survey foot)", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",43.6666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-68.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9999, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",984250, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["United States (USA) - Maine - counties of Aroostook; Hancock; Knox; Penobscot; Piscataquis; Waldo; Washington."], BBOX[43.88,-70.03,47.47,-66.91]], ID["EPSG",26825]]], 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["Transformation from unknown to WGS84", METHOD["Position Vector transformation (geog2D domain)", ID["EPSG",9606]], PARAMETER["X-axis translation",-0.9738, ID["EPSG",8605]], PARAMETER["Y-axis translation",1.9453, ID["EPSG",8606]], PARAMETER["Z-axis translation",0.5486, ID["EPSG",8607]], PARAMETER["X-axis rotation",-1.3357E-07, ID["EPSG",8608]], PARAMETER["Y-axis rotation",-4.872E-08, ID["EPSG",8609]], PARAMETER["Z-axis rotation",-5.507E-08, ID["EPSG",8610]], PARAMETER["Scale difference",1, ID["EPSG",8611]]]]
Definition: ESRI Well Known Text
PROJCS["NAD_1983_HARN_StatePlane_Maine_East_FIPS_1801_Feet", GEOGCS["GCS_North_American_1983_HARN", DATUM["D_North_American_1983_HARN", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",300000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-68.5], PARAMETER["Scale_Factor",0.9999], PARAMETER["Latitude_Of_Origin",43.6666666666667], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "NAD83(HARN) / Maine East (ftUS)", "base_crs": { "name": "NAD83(HARN)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (High Accuracy Reference Network)", "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": 4152 } }, "conversion": { "name": "SPCS83 Maine East zone (US survey foot)", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 43.6666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -68.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9999, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 984250, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 26825 } }, "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": "Transformation from unknown to WGS84", "method": { "name": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": -0.9738, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 1.9453, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 0.5486, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -1.3357e-07, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -4.872e-08, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -5.507e-08, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 0, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
26825=PROJCS["NAD83(HARN) / Maine East (ftUS)",GEOGCS["NAD83(HARN)",DATUM["NAD83_High_Accuracy_Reference_Network",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.9738,1.9453,0.5486,-1.3357E-07,-4.872E-08,-5.507E-08,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4152"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",43.6666666666667],PARAMETER["central_meridian",-68.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",300000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26825"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=43.6666666666667 +lon_0=-68.5 +k=0.9999 +x_0=300000 +y_0=0 +ellps=GRS80 +towgs84=-0.9738,1.9453,0.5486,-1.3357e-07,-4.872e-08,-5.507e-08,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=43.6666666666667 +lon_0=-68.5 +k=0.9999 +x_0=300000 +y_0=0 +ellps=GRS80 +towgs84=-0.9738,1.9453,0.5486,-1.3357e-07,-4.872e-08,-5.507e-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 ( 26825, 'EPSG', 26825, '+proj=tmerc +lat_0=43.6666666666667 +lon_0=-68.5 +k=0.9999 +x_0=300000 +y_0=0 +ellps=GRS80 +towgs84=-0.9738,1.9453,0.5486,-1.3357e-07,-4.872e-08,-5.507e-08,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83(HARN) / Maine East (ftUS)",GEOGCS["NAD83(HARN)",DATUM["NAD83_High_Accuracy_Reference_Network",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.9738,1.9453,0.5486,-1.3357E-07,-4.872E-08,-5.507E-08,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4152"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",43.6666666666667],PARAMETER["central_meridian",-68.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",300000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26825"]]');