EPSG:20538 — Afgooye / UTM zone 38N
Afgooye / UTM zone 38N (EPSG:20538) — a Projected (metres) system on the krass datum, used in Somalia. Parameters, proj4, WKT, accuracy ±0.1 m, plus a free converter to…
At a glance
- EPSG
- 20538
- Name
- Afgooye / UTM zone 38N
- Kind
- Projected (metres)
- Family
- Universal Transverse Mercator (UTM)
- Ellipsoid
- krass
- Accuracy
- ±0.1 m (vs PROJ)
- Countries
- Somalia
Area of use
| West | 42.00° |
| South | 0.00° |
| East | 48.00° |
| North | 11.52° |
Projection parameters
| Projection | utm |
| UTM zone | 38 |
| Ellipsoid | krass |
| Units | m |
| Helmert shift to WGS84 | -43,-163,45,0,0,0,0 |
+proj=utm +zone=38 +ellps=krass +units=m +no_defs +towgs84=-43,-163,45,0,0,0,0
PROJCS["Afgooye / UTM zone 38N",GEOGCS["GCS_Afgooye / UTM zone 38N",DATUM["D_Krassowsky_1940",SPHEROID["Krassowsky_1940",6378245,298.3],TOWGS84[-43,-163,45,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",45],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0],UNIT["Meter",1],AUTHORITY["EPSG","20538"]]
Sample conversion
Somalia capital: WGS84 45.31820, 2.04690 → EPSG:20538 535470.053, 226202.130
Values are within ±0.1 m at the test point.
About the Universal Transverse Mercator (UTM) family
Afgooye / UTM zone 38N is a Universal Transverse Mercator zone — a 6°-wide belt of the worldwide UTM system, in metres, centred on a meridian carefully chosen so distortion stays low across the zone. It is the everyday working grid for GPS-derived surveying in Somalia.
The classic field mistake with UTM is using the wrong zone: a point one zone away is easily hundreds of kilometres off. Always confirm the zone number (and the hemisphere) before importing coordinates, and remember that UTM eastings are offset by a 500 km false easting so they never go negative.
Related systems
- EPSG:4205 — Afgooye
- EPSG:4713 — Ayabelle Lighthouse
- EPSG:20539 — Afgooye / UTM zone 39N
- EPSG:32638 — WGS 84 / UTM zone 38N
- EPSG:32639 — WGS 84 / UTM zone 39N
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