EPSG systems

EPSG:7603 NAD83(2011) / WISCRS Dunn (ftUS)

Projected system (Transverse Mercator) in use: USA - Wisconsin - Dunn. The full definition below, and conversion in one click.

System record
CodeEPSG:7603
NameNAD83(2011) / WISCRS Dunn (ftUS)
TypeProjected system — Transverse Mercator
Area of use USA - Wisconsin - Dunn
United States (USA) - Wisconsin - Dunn county.
Bounds W -92,16° · S 44,68° · E -91,64° · N 45,21°
Countries United States
DatumNAD83 (National Spatial Reference System 2011)
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:6318 — NAD83(2011)
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m
ScopeEngineering survey.

Projection parameters

ParameterValueUnit
Latitude of natural origin44.40833333333333degree
Longitude of natural origin-91.89444444444445degree
Scale factor at natural origin1.0000410324unity
False easting170000.001US survey foot
False northing0.01US survey foot

proj4 definition

+proj=tmerc +lat_0=44.4083333333333 +lon_0=-91.8944444444444 +k=1.0000410324 +x_0=51816.1039370079 +y_0=0.00304800609601219 +ellps=GRS80 +units=us-ft +towgs84=0,0,0 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:7603.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_2011_WISCRS_Dunn_Feet",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",170000.001],PARAMETER["False_Northing",0.01],PARAMETER["Central_Meridian",-91.8944444444444],PARAMETER["Scale_Factor",1.0000410324],PARAMETER["Latitude_Of_Origin",44.4083333333333],UNIT["US survey foot",0.304800609601219]]

All systems — United States

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.