EPSG:CODE

EPSG:3819 — HD1909

Geographic 2D · Hungary

Export Formats

OGC WKT
GEOGCS[
    "HD1909",
    DATUM[
        "Hungarian_Datum_1909",
        SPHEROID["Bessel 1841",6377397.155,299.1528128],
        TOWGS84[595.48,121.69,515.35,-4.115,2.9383,-0.853,-3.408]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","3819"]
]

Related Coordinate Systems

Available Transformations (1)

Transformation Source → Target Accuracy (m)
HD1909 to WGS 84 (1)
3819 → 4326 3

Other CRS for HU

Frequently Asked Questions

How do I add EPSG:3819 to GeoServer?

Add the following definition to your GeoServer configuration: 

3819=GEOGCS["HD1909",DATUM["Hungarian_Datum_1909",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[595.48,121.69,515.35,-4.115,2.9383,-0.853,-3.408]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","3819"]]
Read the full GeoServer guide →

How do I add EPSG:3819 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3819, 'EPSG', 3819, '+proj=longlat +ellps=bessel +towgs84=595.48,121.69,515.35,-4.115,2.9383,-0.853,-3.408 +no_defs +type=crs', 'GEOGCS["HD1909",DATUM["Hungarian_Datum_1909",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[595.48,121.69,515.35,-4.115,2.9383,-0.853,-3.408]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","3819"]]');
Read the full PostGIS guide →

How do I add EPSG:3819 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+ellps=bessel"
  "+towgs84=595.48,121.69,515.35,-4.115,2.9383,-0.853,-3.408"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:3819 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:3819", "+proj=longlat +ellps=bessel +towgs84=595.48,121.69,515.35,-4.115,2.9383,-0.853,-3.408 +no_defs +type=crs");
Read the full Proj4js guide →