EPSG:29220 Sapper Hill 1943 / UTM zone 20S
Projected system (Transverse Mercator) in use: Falkland Islands - onshore west of 60°W. The full definition below, and conversion in one click.
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:29220 |
|---|---|
| Name | Sapper Hill 1943 / UTM zone 20S |
| Type | Projected system — Transverse Mercator |
| Area of use |
Falkland Islands - onshore west of 60°W Falkland Islands (Malvinas) - onshore west of 60°W. |
| Bounds | W -61,55° · S -52,33° · E -59,99° · N -50,96° |
| Countries | Falkland Islands |
| Datum | Sapper Hill 1943 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Base geographic system | EPSG:4292 — Sapper Hill 1943 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -63 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 10000000 | metre |
proj4 definition
+proj=utm +zone=20 +south +ellps=intl +units=m +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:29220.
WKT (ESRI format, the .prj content)
PROJCS["Sapper_Hill_1943_UTM_Zone_20S",GEOGCS["GCS_Sapper_Hill_1943",DATUM["D_Sapper_Hill_1943",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",-63.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]
Other systems — Falkland Islands
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.