EPSG:4149 CH1903
Geographic system in latitude and longitude, in use: Europe - Liechtenstein and Switzerland. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4149 |
|---|---|
| Name | CH1903 |
| Type | Geographic system |
| Area of use |
Europe - Liechtenstein and Switzerland Liechtenstein; Switzerland. |
| Bounds | W 5,96° · S 45,82° · E 10,49° · N 47,81° |
| Countries | Liechtenstein, Switzerland |
| Datum | CH1903 |
| Ellipsoid | Bessel 1841 a = 6377397.155 m · 1/f = 299.1528128 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | CH1903 to WGS 84 (2) (EPSG:1766) — accuracy 1.5 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=bessel +towgs84=674.374,15.056,405.346 +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:4149.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_CH1903",DATUM["D_CH1903",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — Liechtenstein
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.