EPSG:3470 NAD83(NSRS2007) / Alaska zone 3
Projected system (Transverse Mercator) in use: USA - Alaska - 148°W to 144°W. The full definition below, and conversion in one click.
| Code | EPSG:3470 |
|---|---|
| Name | NAD83(NSRS2007) / Alaska zone 3 |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Alaska - 148°W to 144°W United States (USA) - Alaska - between 148°W and 144°W. |
| Bounds | W -148,00° · S 59,72° · E -144,00° · N 70,38° |
| Countries | United States |
| Datum | NAD83 (National Spatial Reference System 2007) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4759 — NAD83(NSRS2007) |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — accuracy 2 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 54 | degree |
| Longitude of natural origin | -146 | degree |
| Scale factor at natural origin | 0.9999 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=tmerc +lat_0=54 +lon_0=-146 +k=0.9999 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:3470.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_NSRS2007_StatePlane_Alaska_3_FIPS_5003",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-146.0],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",54.0],UNIT["Meter",1.0]]Other systems — United States
- EPSG:3459NAD83(HARN) / South Dakota South (ftUS)
- EPSG:3463NAD83 / Maine CS2000 Central
- EPSG:3464NAD83(HARN) / Maine CS2000 Central
- EPSG:3465NAD83(NSRS2007) / Alabama East
- EPSG:3466NAD83(NSRS2007) / Alabama West
- EPSG:3467NAD83(NSRS2007) / Alaska Albers
- EPSG:3468NAD83(NSRS2007) / Alaska zone 1
- EPSG:3469NAD83(NSRS2007) / Alaska zone 2
- EPSG:3471NAD83(NSRS2007) / Alaska zone 4
- EPSG:3472NAD83(NSRS2007) / Alaska zone 5
- EPSG:3473NAD83(NSRS2007) / Alaska zone 6
- EPSG:3474NAD83(NSRS2007) / Alaska zone 7
- EPSG:3475NAD83(NSRS2007) / Alaska zone 8
- EPSG:3476NAD83(NSRS2007) / Alaska zone 9
- EPSG:3477NAD83(NSRS2007) / Alaska zone 10
- EPSG:3478NAD83(NSRS2007) / Arizona Central
- EPSG:3479NAD83(NSRS2007) / Arizona Central (ft)
- EPSG:3480NAD83(NSRS2007) / Arizona East
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.