EPSG systems

EPSG:4684 Gan 1970

Geographic system in latitude and longitude, in use: Maldives - onshore. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4684
NameGan 1970
TypeGeographic system
Area of use Maldives - onshore
Bounds W 72,81° · S -0,69° · E 73,69° · N 7,08°
Countries Maldives
DatumGan 1970
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Gan 1970 to WGS 84 (1) (EPSG:15713) — accuracy 44 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=intl +towgs84=-133,-321,50 +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:4684.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Gan_1970",DATUM["D_Gan_1970",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Maldives

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.