Page 667 - UAE National Geospatial Feature Catalogue

V Annex 5 - Coordinate System and Datum يسيدويجلا عجرملاو تايثادحلاا ماظن

Coordinate System. GCS_WGS_1984

Well-Known ID (WKID) unique number assigned to
coordinate system. 4326 Authority: EPSG

Angular Unit. Degree (0.0174532925199433)

Prime Meridian. Greenwich (0.0)

Datum. D_WGS_1984

Spheroid. WGS_1984

Semimajor Axis. 6378137.0

Semiminor Axis. 6356752.314245179

Inverse Flattening. 298.257223563

National Vertical Datum.

The vertical datum as defined by the National Geodetic Reference Frame (NGRF) project by the FGIC has
recommended below three vertical datums:

• Mean sea level (MSL);

• Highest astronomical tide (HAT);

• Lowest astronomical tide, (LAT).

National Geospatial Features Catalogue | V 1.0 . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 634