EPSG:23700 HD72 / EOV
Projected system (Hotine Oblique Mercator (variant B)) in use: Hungary. The full definition below, and conversion in one click.
| Code | EPSG:23700 |
|---|---|
| Name | HD72 / EOV |
| Type | Projected system — Hotine Oblique Mercator (variant B) |
| Area of use | Hungary |
| Bounds | W 16,11° · S 45,74° · E 22,90° · N 48,58° |
| Countries | Hungary |
| Datum | Hungarian Datum 1972 |
| Ellipsoid | GRS 1967 a = 6378160 m · 1/f = 298.247167427 |
| Base geographic system | EPSG:4237 — HD72 |
| Unit | metre (Y east, X north) |
| Transformation to WGS 84 | HD72 to WGS 84 (4) (EPSG:1242) — accuracy 1 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of projection centre | 47.14439372222222 | degree |
| Longitude of projection centre | 19.04857177777778 | degree |
| Azimuth at projection centre | 90 | degree |
| Angle from Rectified to Skew Grid | 90 | degree |
| Scale factor at projection centre | 0.99993 | unity |
| Easting at projection centre | 650000 | metre |
| Northing at projection centre | 200000 | metre |
proj4 definition
+proj=somerc +lat_0=47.1443937222222 +lon_0=19.0485717777778 +k_0=0.99993 +x_0=650000 +y_0=200000 +ellps=GRS67 +units=m +towgs84=52.17,-71.82,-14.9 +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:23700.
WKT (ESRI format, the .prj content)
PROJCS["Hungarian_1972_Egyseges_Orszagos_Vetuleti",GEOGCS["GCS_Hungarian_1972",DATUM["D_Hungarian_1972",SPHEROID["GRS_1967",6378160.0,298.247167427]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["False_Easting",650000.0],PARAMETER["False_Northing",200000.0],PARAMETER["Scale_Factor",0.99993],PARAMETER["Azimuth",90.0],PARAMETER["Longitude_Of_Center",19.0485717777778],PARAMETER["Latitude_Of_Center",47.1443937222222],UNIT["Meter",1.0]]Other systems — Hungary
- EPSG:2399Pulkovo 1942(83) / 3-degree Gauss-Kruger zone 5
- EPSG:3819HD1909
- EPSG:3836Pulkovo 1942(83) / Gauss-Kruger zone 4
- EPSG:3841Pulkovo 1942(83) / 3-degree Gauss-Kruger zone 6
- EPSG:4237HD72
- EPSG:4417Pulkovo 1942(83) / 3-degree Gauss-Kruger zone 7
- EPSG:4434Pulkovo 1942(83) / 3-degree Gauss-Kruger zone 8
- EPSG:5675Pulkovo 1942(83) / 3-degree Gauss-Kruger zone 5 (E-N)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.