EPSG:27705 WGS 84 / Equi7 North America
Projected system (Azimuthal Equidistant) in use: North America - Equi7. The full definition below, and conversion in one click.
| Code | EPSG:27705 |
|---|---|
| Name | WGS 84 / Equi7 North America |
| Type | Projected system — Azimuthal Equidistant |
| Area of use |
North America - Equi7 North America including Greenland, the Caribbean and Central America, together with circum-polar area north of 83°40'N. Excluding the circum-polar area, the longitude extent is from 167.65° in west across the 180° meridian to 15.72° in east. |
| Bounds | W -180,00° · S 7,98° · E 180,00° · N 90,00° |
| Countries | Greenland |
| Datum | World Geodetic System 1984 |
| Ellipsoid | WGS 84 a = 6378137 m · 1/f = 298.257223563 |
| Base geographic system | EPSG:4326 — WGS 84 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | None: this is WGS 84 |
| Scope | Continental mapping of raster data. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 52 | degree |
| Longitude of natural origin | -97.5 | degree |
| False easting | 8264722.177 | metre |
| False northing | 4867518.353 | metre |
proj4 definition
+proj=aeqd +lat_0=52 +lon_0=-97.5 +x_0=8264722.177 +y_0=4867518.353 +datum=WGS84 +units=m +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:27705.
WKT (ESRI format, the .prj content)
PROJCS["WGS_1984_Equi7_North_America",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Azimuthal_Equidistant"],PARAMETER["False_Easting",8264722.177],PARAMETER["False_Northing",4867518.353],PARAMETER["Central_Meridian",-97.5],PARAMETER["Latitude_Of_Origin",52.0],UNIT["Meter",1.0]]Other systems — Greenland
- EPSG:3183GR96 / UTM zone 23N
- EPSG:3184GR96 / UTM zone 24N
- EPSG:3185GR96 / UTM zone 25N
- EPSG:3186GR96 / UTM zone 26N
- EPSG:3187GR96 / UTM zone 27N
- EPSG:3188GR96 / UTM zone 28N
- EPSG:3189GR96 / UTM zone 29N
- EPSG:4194Qornoq 1927
- EPSG:4195Scoresbysund 1952
- EPSG:4196Ammassalik 1958
- EPSG:4747GR96
- EPSG:6053GR96 / EPSG Arctic zone 3-29
- EPSG:10598WGS 84 / GLANCE North America
- EPSG:32623WGS 84 / UTM zone 23N
- EPSG:32624WGS 84 / UTM zone 24N
- EPSG:32625WGS 84 / UTM zone 25N
- EPSG:32626WGS 84 / UTM zone 26N
- EPSG:32627WGS 84 / UTM zone 27N
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.