Name: Guam 1963 to NAD83(HARN) (2)
Method: NADCON5 (2D)
Grid Files: nadcon5.gu63.nad83_1993.guamcnmi.lat.trn.20160901.b nadcon5.gu63.nad83_1993.guamcnmi.lon.trn.20160901.b
Remarks: Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°.
Information source: National Geodetic Survey, www.ngs.noaa.gov
Revision date: 2018-08-10
Unit: degree (supplier to define representation)
Geodetic CRS: Guam 1963
Datum: Guam 1963
Ellipsoid: Clarke 1866
Prime meridian: Greenwich
Data source: EPSG
Information source: National Geodetic Survey
Revision date: 2018-08-29
Scope: Cadastre, engineering survey, topographic mapping.
Remarks: Replaced by NAD83(HARN) alias Guam Geodetic Network 1993 (CRS code 4152) from 1995.
Area of use: Guam - onshore. Northern Mariana Islands - onshore.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Center coordinates
145.35 16.89
WGS84 bounds:
144.58 13.18
146.12 20.61
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ GEOGCRS["Guam 1963", DATUM["Guam 1963", ELLIPSOID["Clarke 1866",6378206.4,294.978698213898, LENGTHUNIT["metre",1]]], 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["Cadastre, engineering survey, topographic mapping."], AREA["Guam - onshore. Northern Mariana Islands - onshore."], BBOX[13.18,144.58,20.61,146.12]], ID["EPSG",4675], REMARK["Replaced by NAD83(HARN) alias Guam Geodetic Network 1993 (CRS code 4152) from 1995."]]], TARGETCRS[ GEOGCRS["NAD83(HARN)", DATUM["NAD83 (High Accuracy Reference Network)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], 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["American Samoa - onshore - Tutuila, Aunu'u, Ofu, Olesega, Ta'u and Rose islands. Guam - onshore. Northern Mariana Islands - onshore. Puerto Rico - onshore. United States (USA) - onshore plus offshore Gulf of Mexico continental shelf (GoM OCS). US Virgin Islands - onshore."], BBOX[-14.59,144.58,71.4,-64.51]], ID["EPSG",4152], REMARK["In CONUS, AK, HI and PRVI replaces NAD83 for applications with an accuracy of better than 1m. Replaced by NAD83(FBN) in CONUS, American Samoa and Guam / NMI, by NAD83(NSRS2007) in Alaska, by NAD83(PA11) in Hawaii and by NAD83(HARN Corrected) in PRVI."]]], ABRIDGEDTRANSFORMATION["Guam 1963 to NAD83(HARN) (2)", METHOD["NADCON5 (2D)", ID["EPSG",1074]], PARAMETERFILE["Latitude difference file","nadcon5.gu63.nad83_1993.guamcnmi.lat.trn.20160901.b"], PARAMETERFILE["Longitude difference file","nadcon5.gu63.nad83_1993.guamcnmi.lon.trn.20160901.b"], USAGE[ SCOPE["Geodesy."], AREA["Guam - onshore. Northern Mariana Islands - onshore."], BBOX[13.18,144.58,20.61,146.12]], ID["EPSG",8665], REMARK["Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "GeographicCRS", "name": "Guam 1963", "datum": { "type": "GeodeticReferenceFrame", "name": "Guam 1963", "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": 4675 }, "remarks": "Replaced by NAD83(HARN) alias Guam Geodetic Network 1993 (CRS code 4152) from 1995." }, "target_crs": { "type": "GeographicCRS", "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 }, "remarks": "In CONUS, AK, HI and PRVI replaces NAD83 for applications with an accuracy of better than 1m. Replaced by NAD83(FBN) in CONUS, American Samoa and Guam / NMI, by NAD83(NSRS2007) in Alaska, by NAD83(PA11) in Hawaii and by NAD83(HARN Corrected) in PRVI." }, "transformation": { "name": "Guam 1963 to NAD83(HARN) (2)", "method": { "name": "NADCON5 (2D)", "id": { "authority": "EPSG", "code": 1074 } }, "parameters": [ { "name": "Latitude difference file", "value": "nadcon5.gu63.nad83_1993.guamcnmi.lat.trn.20160901.b", "id": { "authority": "EPSG", "code": 8657 } }, { "name": "Longitude difference file", "value": "nadcon5.gu63.nad83_1993.guamcnmi.lon.trn.20160901.b", "id": { "authority": "EPSG", "code": 8658 } } ], "id": { "authority": "EPSG", "code": 8665 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=clrk66 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=clrk66 +no_defs +type=crs"> </Layer> </Map>