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    EPSG reference

    EPSG:30339 — TC(1948) / UTM zone 39N

    TC(1948) / UTM zone 39N (EPSG:30339) — a Projected (metres) system on the helmert datum, used in United Arab Emirates. Parameters, proj4, WKT, accuracy ±0.1 m, plus a fr…

    At a glance

    EPSG
    30339
    Name
    TC(1948) / UTM zone 39N
    Kind
    Projected (metres)
    Family
    Universal Transverse Mercator (UTM)
    Ellipsoid
    helmert
    Accuracy
    ±0.1 m (vs PROJ)
    Countries
    United Arab Emirates

    Area of use

    West51.56°
    South22.76°
    East54.01°
    North24.32°

    Projection parameters

    Projectionutm
    UTM zone39
    Ellipsoidhelmert
    Unitsm
    proj4
    +proj=utm +zone=39 +ellps=helmert +units=m +no_defs
    WKT (ESRI)
    PROJCS["TC(1948) / UTM zone 39N",GEOGCS["GCS_TC(1948) / UTM zone 39N",DATUM["D_Helmert_1906",SPHEROID["Helmert_1906",6378200,298.3]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",51],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0],UNIT["Meter",1],AUTHORITY["EPSG","30339"]]

    Sample conversion

    Centre of the area of use: WGS84 52.78500, 23.54000 → EPSG:30339 682215.761, 2604461.549

    Values are within ±0.1 m at the test point.

    About the Universal Transverse Mercator (UTM) family

    TC(1948) / UTM zone 39N 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 United Arab Emirates.

    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.

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    FAQ

    It is the coordinate system “TC(1948) / UTM zone 39N”, a Projected (metres) system in the Universal Transverse Mercator (UTM) family, identified worldwide by the code EPSG:30339.

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