EPSG:4803 Lisbon (Lisbon)
Geographic system in latitude and longitude, in use: Portugal - mainland - onshore. Datum, ellipsoid and transformation to WGS 84 below.
EPSG publishes no simple transformation to WGS 84 for this datum: conversion works on the ellipsoid alone and can be off by tens of metres.
| Code | EPSG:4803 |
|---|---|
| Name | Lisbon (Lisbon) |
| Type | Geographic system |
| Area of use | Portugal - mainland - onshore |
| Bounds | W -9,56° · S 36,95° · E -6,19° · N 42,16° |
| Countries | Portugal |
| Datum | Lisbon 1937 (Lisbon) |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Prime meridian | Lisbon -9.131906111111112 degree |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=intl +pm=lisbon +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:4803.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Lisbon_Lisbon",DATUM["Lisbon_1937_(Lisbon)",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Lisbon",-9.13190611111111],UNIT["Degree",0.0174532925199433]]
Other systems — Portugal
- EPSG:4182Azores Occidental 1939
- EPSG:4183Azores Central 1948
- EPSG:4184Azores Oriental 1940
- EPSG:4207Lisbon
- EPSG:4274Datum 73
- EPSG:4615Porto Santo
- EPSG:4616Selvagem Grande
- EPSG:4663Porto Santo 1995
- EPSG:4664Azores Oriental 1995
- EPSG:4665Azores Central 1995
- EPSG:4666Lisbon 1890
- EPSG:4904Lisbon 1890 (Lisbon)
- EPSG:5013PTRA08
- EPSG:5014PTRA08 / UTM zone 25N
- EPSG:5015PTRA08 / UTM zone 26N
- EPSG:5016PTRA08 / UTM zone 28N
- EPSG:5017Lisbon 1890 / Portugal Bonne New
- EPSG:5018Lisbon / Portuguese Grid New
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.