EPSG:26734 NAD27 / Alaska zone 4
Projected system (Transverse Mercator) in use: USA - Alaska - 152°W to 148°W. The full definition below, and conversion in one click.
| Code | EPSG:26734 |
|---|---|
| Name | NAD27 / Alaska zone 4 |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Alaska - 152°W to 148°W United States (USA) - Alaska - between 152°W and 148°W, onshore. |
| Bounds | W -152,01° · S 59,11° · E -147,99° · N 70,63° |
| Countries | United States |
| Datum | North American Datum 1927 |
| Ellipsoid | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Base geographic system | EPSG:4267 — NAD27 |
| Unit | US survey foot (X east, Y north) |
| Transformation to WGS 84 | NAD27 to WGS 84 (7) (EPSG:1176) — accuracy 12 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 54 | degree |
| Longitude of natural origin | -150 | degree |
| Scale factor at natural origin | 0.9999 | unity |
| False easting | 500000 | US survey foot |
| False northing | 0 | US survey foot |
proj4 definition
+proj=tmerc +lat_0=54 +lon_0=-150 +k=0.9999 +x_0=152400.30480061 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-5,135,172 +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:26734.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1927_StatePlane_Alaska_4_FIPS_5004",GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-150.0],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",54.0],UNIT["US survey foot",0.304800609601219]]
Other systems — United States
- EPSG:26720NAD27 / UTM zone 20N
- EPSG:26729NAD27 / Alabama East
- EPSG:26730NAD27 / Alabama West
- EPSG:26731NAD27 / Alaska zone 1
- EPSG:26732NAD27 / Alaska zone 2
- EPSG:26733NAD27 / Alaska zone 3
- EPSG:26735NAD27 / Alaska zone 5
- EPSG:26736NAD27 / Alaska zone 6
- EPSG:26737NAD27 / Alaska zone 7
- EPSG:26738NAD27 / Alaska zone 8
- EPSG:26739NAD27 / Alaska zone 9
- EPSG:26740NAD27 / Alaska zone 10
- EPSG:26741NAD27 / California zone I
- EPSG:26742NAD27 / California zone II
- EPSG:26743NAD27 / California zone III
- EPSG:26744NAD27 / California zone IV
- EPSG:26745NAD27 / California zone V
- EPSG:26746NAD27 / California zone VI
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.