EPSG systems

EPSG:7601 NAD83(2011) / WISCRS Door (ftUS)

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

System record
CodeEPSG:7601
NameNAD83(2011) / WISCRS Door (ftUS)
TypeProjected system — Transverse Mercator
Area of use USA - Wisconsin - Door
United States (USA) - Wisconsin - Door county.
Bounds W -87,74° · S 44,67° · E -86,80° · N 45,43°
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 origin44.4degree
Longitude of natural origin-87.27222222222223degree
Scale factor at natural origin1.0000187521unity
False easting521000US survey foot
False northing0.008US survey foot

proj4 definition

+proj=tmerc +lat_0=44.4 +lon_0=-87.2722222222222 +k=1.0000187521 +x_0=158801.117602235 +y_0=0.00243840487680975 +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:7601.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_2011_WISCRS_Door_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",521000.0],PARAMETER["False_Northing",0.008],PARAMETER["Central_Meridian",-87.2722222222222],PARAMETER["Scale_Factor",1.0000187521],PARAMETER["Latitude_Of_Origin",44.4],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.