EPSG:2789 NAD83(HARN) / Idaho West
Projected system (Transverse Mercator) in use: USA - Idaho - SPCS - W. The full definition below, and conversion in one click.
| Code | EPSG:2789 |
|---|---|
| Name | NAD83(HARN) / Idaho West |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Idaho - SPCS - W United States (USA) - Idaho - counties of Ada; Adams; Benewah; Boise; Bonner; Boundary; Canyon; Clearwater; Elmore; Gem; Idaho; Kootenai; Latah; Lewis; Nez Perce; Owyhee; Payette; Shoshone; Valley; Washington. |
| Bounds | W -117,24° · S 41,99° · E -114,32° · N 49,01° |
| Countries | United States |
| Datum | NAD83 (High Accuracy Reference Network) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4152 — NAD83(HARN) |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83(HARN) to WGS 84 (3) (EPSG:1901) — accuracy 1 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 41.666666666666664 | degree |
| Longitude of natural origin | -115.75 | degree |
| Scale factor at natural origin | 0.999933333 | unity |
| False easting | 800000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=tmerc +lat_0=41.6666666666667 +lon_0=-115.75 +k=0.999933333 +x_0=800000 +y_0=0 +ellps=GRS80 +units=m +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +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:2789.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_HARN_StatePlane_Idaho_West_FIPS_1103",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",800000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-115.75],PARAMETER["Scale_Factor",0.999933333],PARAMETER["Latitude_Of_Origin",41.6666666666667],UNIT["Meter",1.0]]
Other systems — United States
- EPSG:2780NAD83(HARN) / Georgia East
- EPSG:2781NAD83(HARN) / Georgia West
- EPSG:2782NAD83(HARN) / Hawaii zone 1
- EPSG:2783NAD83(HARN) / Hawaii zone 2
- EPSG:2784NAD83(HARN) / Hawaii zone 3
- EPSG:2785NAD83(HARN) / Hawaii zone 4
- EPSG:2786NAD83(HARN) / Hawaii zone 5
- EPSG:2787NAD83(HARN) / Idaho East
- EPSG:2788NAD83(HARN) / Idaho Central
- EPSG:2790NAD83(HARN) / Illinois East
- EPSG:2791NAD83(HARN) / Illinois West
- EPSG:2792NAD83(HARN) / Indiana East
- EPSG:2793NAD83(HARN) / Indiana West
- EPSG:2794NAD83(HARN) / Iowa North
- EPSG:2795NAD83(HARN) / Iowa South
- EPSG:2796NAD83(HARN) / Kansas North
- EPSG:2797NAD83(HARN) / Kansas South
- EPSG:2798NAD83(HARN) / Kentucky North
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.