EPSG:27703 WGS 84 / Equi7 Asia
Projected system (Azimuthal Equidistant) in use: Asia - Equi7. The full definition below, and conversion in one click.
| Code | EPSG:27703 |
|---|---|
| Name | WGS 84 / Equi7 Asia |
| Type | Projected system — Azimuthal Equidistant |
| Area of use |
Asia - Equi7 Asia including Maldives and British Indian Ocean Territory. |
| Bounds | W 31,45° · S -10,80° · E -168,43° · N 83,67° |
| Countries | British Indian Ocean Territory, Maldives |
| 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 | 47 | degree |
| Longitude of natural origin | 94 | degree |
| False easting | 4340913.848 | metre |
| False northing | 4812712.923 | metre |
proj4 definition
+proj=aeqd +lat_0=47 +lon_0=94 +x_0=4340913.848 +y_0=4812712.923 +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:27703.
WKT (ESRI format, the .prj content)
PROJCS["WGS_1984_Equi7_Asia",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",4340913.848],PARAMETER["False_Northing",4812712.923],PARAMETER["Central_Meridian",94.0],PARAMETER["Latitude_Of_Origin",47.0],UNIT["Meter",1.0]]Other systems — British Indian Ocean Territory
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.