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    EPSG reference

    EPSG:3344 — Mauritania 1999 / UTM zone 29N

    Mauritania 1999 / UTM zone 29N (EPSG:3344) — a Projected (metres) system on the GRS80 datum, used in Mauritania. Parameters, proj4, WKT, accuracy ±0.1 m, plus a free con…

    At a glance

    EPSG
    3344
    Name
    Mauritania 1999 / UTM zone 29N
    Kind
    Projected (metres)
    Family
    Universal Transverse Mercator (UTM)
    Ellipsoid
    GRS80
    Accuracy
    ±0.1 m (vs PROJ)
    Countries
    Mauritania
    Convert from this system now

    Area of use

    West-12.00°
    South14.75°
    East-6.00°
    North27.30°

    Projection parameters

    Projectionutm
    UTM zone29
    EllipsoidGRS80
    Unitsm
    proj4
    +proj=utm +zone=29 +ellps=GRS80 +units=m +no_defs
    WKT (ESRI)
    PROJCS["Mauritania 1999 / UTM zone 29N",GEOGCS["GCS_Mauritania 1999 / UTM zone 29N",DATUM["D_GRS_1980",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",-9],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0],UNIT["Meter",1],AUTHORITY["EPSG","3344"]]

    Sample conversion

    Centre of the area of use: WGS84 -9.00000, 21.02500 → EPSG:3344 500000.000, 2324914.461

    Values are within ±0.1 m at the test point.

    About the Universal Transverse Mercator (UTM) family

    Mauritania 1999 / UTM zone 29N 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 Mauritania.

    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

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    FAQ

    It is the coordinate system “Mauritania 1999 / UTM zone 29N”, a Projected (metres) system in the Universal Transverse Mercator (UTM) family, identified worldwide by the code EPSG:3344.

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