EPSG:3468 NAD83(NSRS2007) / Alaska zone 1
Projected system (Hotine Oblique Mercator (variant A)) in use: USA - Alaska - Panhandle. The full definition below, and conversion in one click.
| Code | EPSG:3468 |
|---|---|
| Name | NAD83(NSRS2007) / Alaska zone 1 |
| Type | Projected system — Hotine Oblique Mercator (variant A) |
| Area of use |
USA - Alaska - Panhandle United States (USA) - Alaska - east of 141°W; i.e. Panhandle. |
| Bounds | W -141,00° · S 54,61° · E -129,99° · N 60,35° |
| 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 projection centre | 57 | degree |
| Longitude of projection centre | -133.66666666666666 | degree |
| Azimuth at projection centre | 323.13010236111114 | degree |
| Angle from Rectified to Skew Grid | 323.13010236111114 | degree |
| Scale factor at projection centre | 0.9999 | unity |
| False easting | 5000000 | metre |
| False northing | -5000000 | metre |
proj4 definition
+proj=omerc +no_uoff +lat_0=57 +lonc=-133.666666666667 +alpha=323.130102361111 +gamma=323.130102361111 +k=0.9999 +x_0=5000000 +y_0=-5000000 +ellps=GRS80 +units=m +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:3468.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_NSRS2007_StatePlane_Alaska_1_FIPS_5001",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["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"],PARAMETER["False_Easting",5000000.0],PARAMETER["False_Northing",-5000000.0],PARAMETER["Scale_Factor",0.9999],PARAMETER["Azimuth",-36.8698976388889],PARAMETER["Longitude_Of_Center",-133.666666666667],PARAMETER["Latitude_Of_Center",57.0],UNIT["Meter",1.0]]
Other systems — United States
- EPSG:3457NAD83(HARN) / Louisiana South (ftUS)
- EPSG:3458NAD83(HARN) / South Dakota North (ftUS)
- 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:3469NAD83(NSRS2007) / Alaska zone 2
- EPSG:3470NAD83(NSRS2007) / Alaska zone 3
- 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
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.