EPSG systems

EPSG:4237 HD72

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

System record
CodeEPSG:4237
NameHD72
TypeGeographic system
Area of use Hungary
Bounds W 16,11° · S 45,74° · E 22,90° · N 48,58°
Countries Hungary
DatumHungarian Datum 1972
Ellipsoid GRS 1967 a = 6378160 m · 1/f = 298.247167427
Unit degree (Lat north, Lon east)
Transformation to WGS 84 HD72 to WGS 84 (4) (EPSG:1242) — accuracy 1 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9 +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:4237.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Hungarian_1972",DATUM["D_Hungarian_1972",SPHEROID["GRS_1967",6378160.0,298.247167427]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Hungary

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