EPSG:6809 — NAD83(CORS96) / Oregon Columbia River West zone (ft)

Projected · USA - Oregon - Columbia River West

Export Formats

OGC WKT

PROJCS[
    "NAD83(CORS96) / Oregon Columbia River West zone (ft)",
    GEOGCS[
        "NAD83(CORS96)",
        DATUM[
            "NAD83_Continuously_Operating_Reference_Station_1996",
            SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","1133"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","6783"]
    ],
    PROJECTION["Hotine_Oblique_Mercator"],
    PARAMETER["latitude_of_center",45.9166666666667],
    PARAMETER["longitude_of_center",-123],
    PARAMETER["azimuth",295],
    PARAMETER["rectified_grid_angle",295],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",22965879.2651],
    PARAMETER["false_northing",-9842519.685],
    UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","6809"]
]

WKT2

PROJCRS[
    "NAD83(CORS96) / Oregon Columbia River West zone (ft)",
    BASEGEOGCRS[
        "NAD83(CORS96)",
        DATUM[
            "NAD83 (Continuously Operating Reference Station 1996)",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ID["EPSG",1133]
        ],
        ID["EPSG",6783]
    ],
    CONVERSION[
        "Oregon Columbia River West zone (international foot)",
        METHOD["Hotine Oblique Mercator (variant A)",ID["EPSG",9812]],
        PARAMETER[
            "Latitude of projection centre",
            45.9166666666669,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8811]
        ],
        PARAMETER[
            "Longitude of projection centre",
            -123,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8812]
        ],
        PARAMETER[
            "Azimuth at projection centre",
            295,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8813]
        ],
        PARAMETER[
            "Angle from Rectified to Skew Grid",
            295,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8814]
        ],
        PARAMETER[
            "Scale factor at projection centre",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8815]
        ],
        PARAMETER[
            "False easting",
            22965879.2651,
            LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            -9842519.685,
            LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
            ID["EPSG",8807]
        ],
        ID["EPSG",6754]
    ],
    CS[Cartesian,2,ID["EPSG",4495]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
    ID["EPSG",6809]
]

PROJ.4

+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +units=ft +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:6809", "+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +units=ft +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 6809,
  "name": "NAD83(CORS96) / Oregon Columbia River West zone (ft)",
  "kind": "projected",
  "area": "USA - Oregon - Columbia River West",
  "unit": "foot",
  "bbox": [
    45.17,
    -124.33,
    46.56,
    -121.47
  ],
  "proj4": "+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +units=ft +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6809, 'EPSG', 6809, '+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +units=ft +no_defs +type=crs', 'PROJCS["NAD83(CORS96) / Oregon Columbia River West zone (ft)",GEOGCS["NAD83(CORS96)",DATUM["NAD83_Continuously_Operating_Reference_Station_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1133"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6783"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.9166666666667],PARAMETER["longitude_of_center",-123],PARAMETER["azimuth",295],PARAMETER["rectified_grid_angle",295],PARAMETER["scale_factor",1],PARAMETER["false_easting",22965879.2651],PARAMETER["false_northing",-9842519.685],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6809"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=omerc"
  "+no_uoff"
  "+lat_0=45.9166666666667"
  "+lonc=-123"
  "+alpha=295"
  "+gamma=295"
  "+k=1"
  "+x_0=7000000.00000248"
  "+y_0=-2999999.999988"
  "+ellps=GRS80"
  "+units=ft"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

6809=PROJCS["NAD83(CORS96) / Oregon Columbia River West zone (ft)",GEOGCS["NAD83(CORS96)",DATUM["NAD83_Continuously_Operating_Reference_Station_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1133"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6783"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.9166666666667],PARAMETER["longitude_of_center",-123],PARAMETER["azimuth",295],PARAMETER["rectified_grid_angle",295],PARAMETER["scale_factor",1],PARAMETER["false_easting",22965879.2651],PARAMETER["false_northing",-9842519.685],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6809"]]

Related Coordinate Systems

Available Transformations (6)

Transformations inherited from base CRS: EPSG:6781 (NAD83(CORS96))

Transformation	Source → Target	Accuracy (m)
ITRF2000 to NAD83(CORS96) (1)	4919 → 6781	0
ITRF96 to NAD83(CORS96) (1)	4917 → 6781	0
ITRF97 to NAD83(CORS96) (1)	4918 → 6781	0
NAD83(CSRS)v2 to NAD83(CORS96) (1)	8233 → 6781	0
NAD83(CSRS)v3 to NAD83(CORS96) (1)	8238 → 6781	0
NAD83(CSRS)v4 to NAD83(CORS96) (1)	8242 → 6781	0

Other CRS using NAD83 (Continuously Operating Reference Station 1996) (49)

Frequently Asked Questions

How do I add EPSG:6809 to GeoServer?

Add the following definition to your GeoServer configuration:

6809=PROJCS["NAD83(CORS96) / Oregon Columbia River West zone (ft)",GEOGCS["NAD83(CORS96)",DATUM["NAD83_Continuously_Operating_Reference_Station_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1133"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6783"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.9166666666667],PARAMETER["longitude_of_center",-123],PARAMETER["azimuth",295],PARAMETER["rectified_grid_angle",295],PARAMETER["scale_factor",1],PARAMETER["false_easting",22965879.2651],PARAMETER["false_northing",-9842519.685],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6809"]]

Read the full GeoServer guide →

How do I add EPSG:6809 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6809, 'EPSG', 6809, '+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +units=ft +no_defs +type=crs', 'PROJCS["NAD83(CORS96) / Oregon Columbia River West zone (ft)",GEOGCS["NAD83(CORS96)",DATUM["NAD83_Continuously_Operating_Reference_Station_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1133"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6783"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.9166666666667],PARAMETER["longitude_of_center",-123],PARAMETER["azimuth",295],PARAMETER["rectified_grid_angle",295],PARAMETER["scale_factor",1],PARAMETER["false_easting",22965879.2651],PARAMETER["false_northing",-9842519.685],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6809"]]');

Read the full PostGIS guide →

How do I add EPSG:6809 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=omerc"
  "+no_uoff"
  "+lat_0=45.9166666666667"
  "+lonc=-123"
  "+alpha=295"
  "+gamma=295"
  "+k=1"
  "+x_0=7000000.00000248"
  "+y_0=-2999999.999988"
  "+ellps=GRS80"
  "+units=ft"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:6809 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:6809", "+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +units=ft +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

foot

Geodetic CRS

NAD83(CORS96)

Datum

NAD83 (Continuously Operating Reference Station 1996)

Ellipsoid

GRS 1980

Prime Meridian

Greenwich

Area of Use

USA - Oregon - Columbia River West

United States (USA) - Oregon - Columbia River area west of approximately 121°30'W.

Coordinate System

Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ft.

Center Coordinates

577642.93 590341.18

Projected Bounds

847484.36 209114.52937080.42 339743.74

WGS84 Bounds

46.56 -124.33-121.47 45.17

Data Source

EPSG

Information Source

Oregon Department of Transportation.

Revision Date

2014-11-19

Scope

Engineering survey.

Remarks

State law defines use of International feet (note: not US survey feet). See NAD83(CORS96) / Oregon Columbia River West (m) (code 6808) for metric equivalent. Replaced by NAD83(2011) / Oregon Columbia River West (ft) (CRS code 6811) from 2013-03-08.

EPSG

6809

ESRI Equivalent

ESRI:102506