EPSG:26730 NAD27 / Alabama West
Projected system (Transverse Mercator) in use: USA - Alabama - SPCS - W. The full definition below, and conversion in one click.
| Code | EPSG:26730 |
|---|---|
| Name | NAD27 / Alabama West |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Alabama - SPCS - W United States (USA) - Alabama west of approximately 86°37'W - counties Autauga; Baldwin; Bibb; Blount; Butler; Chilton; Choctaw; Clarke; Colbert; Conecuh; Cullman; Dallas; Escambia; Fayette; Franklin; Greene; Hale; Jefferson; Lamar; Lauderdale; Lawrence; Limestone; Lowndes; Marengo; Marion; Mobile; Monroe; Morgan; Perry; Pickens; Shelby; Sumter; Tuscaloosa; Walker; Washington; Wilcox; Winston. |
| Bounds | W -88,48° · S 30,14° · E -86,30° · N 35,02° |
| 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 (4) (EPSG:1173) — accuracy 10 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 30 | degree |
| Longitude of natural origin | -87.5 | degree |
| Scale factor at natural origin | 0.999933333 | unity |
| False easting | 500000 | US survey foot |
| False northing | 0 | US survey foot |
proj4 definition
+proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=152400.30480061 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-8,160,176 +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:26730.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1927_StatePlane_Alabama_West_FIPS_0102",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",-87.5],PARAMETER["Scale_Factor",0.999933333],PARAMETER["Latitude_Of_Origin",30.0],UNIT["US survey foot",0.304800609601219]]Other systems — United States
- EPSG:26719NAD27 / UTM zone 19N
- EPSG:26720NAD27 / UTM zone 20N
- EPSG:26729NAD27 / Alabama East
- EPSG:26731NAD27 / Alaska zone 1
- EPSG:26732NAD27 / Alaska zone 2
- EPSG:26733NAD27 / Alaska zone 3
- EPSG:26734NAD27 / Alaska zone 4
- 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
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.