Aden 1925

Geographic 2D CRS used in Yemen - South Yemen - mainland

Aden 1925 is a geographic 2D CRS last revised on December 2, 2020 and is suitable for use in Yemen - South Yemen onshore mainland. Aden 1925 uses the Aden 1925 as its datum. Aden 1925 is a CRS for Engineering and harbour surveying. It was defined by information from US NGA GeoTrans software v3.4 and other industry sources..

Geographic 2D CRS Details
Name:	Aden 1925
Code:	6881
CRS Type:	geographic 2D
Area Of Use:	Yemen - South Yemen - mainland Area Details Area Name: Yemen - South Yemen - mainland Area Code: 1340 Description: Yemen - South Yemen onshore mainland. Extents: 19 ° 43.37 ° 53.14 ° 12.54 ° Meta Data Information Source: OGP Data Source: OGP Revision Date: December 2, 2020 Change Id: [2012.022] [2012.051] [2014.024]
Datum:	Aden 1925 Datum Details Datum Name: Aden 1925 Code: 1135 Area Of Use: Yemen - South Yemen - mainland Area Details Area Name: Yemen - South Yemen - mainland Area Code: 1340 Description: Yemen - South Yemen onshore mainland. Extents: 19 ° 43.37 ° 53.14 ° 12.54 ° Meta Data Information Source: OGP Data Source: OGP Revision Date: December 2, 2020 Change Id: [2012.022] [2012.051] [2014.024] Scope: Engineering and harbour surveys. Type: geodetic Realization Epoch: Origin: Ellipsoid: Clarke 1880 (RGS) Ellipsoid Details Name: Clarke 1880 (RGS) Code: 7012 Shape: Ellipsoid Semi-Major Axis: 6378249.145 metre Unit Details Unit Name: metre Unit Code: 9001 Type: length Target Unit: metre Meta Data Remarks: Also known as International metre. SI standard unit. Information Source: ISO 1000. Data Source: IOGP Revision Date: December 2, 2020 Change Id: [2015.062] Inverse Flattening: 293.465 Meta Data Remarks: Adopts Clarke's values for a and 1/f. Adopts his 1865 ratio of 39.370432 inches per metre to convert semi-major axis to metres. Also known as Clarke Modified 1880. Information Source: Empire Survey Review #32; 1939. Data Source: OGP Revision Date: December 2, 2020 Prime Meridian: Greenwich Prime Meridian Details Name: Greenwich Code: 8901 Greenwich Longitude: 0 degree Unit Details Unit Name: degree Unit Code: 9102 Type: angle Target Unit: radian Unit Details Unit Name: radian Unit Code: 9101 Type: angle Target Unit: radian Meta Data Remarks: SI standard unit. Information Source: ISO 1000:1992 Data Source: IOGP Revision Date: December 2, 2020 Change Id: [2015.062] Meta Data Remarks: = pi/180 radians Information Source: Data Source: IOGP Revision Date: December 2, 2020 Change Id: [1996.220] [2002.860] [2015.062] Meta Data Remarks: The international reference meridian as defined first by the 1884 International Meridian Conference and later by the Bureau International de l'Heure (BIH) and then the International Earth Rotation Service (IERS). Information Source: OGP Data Source: IOGP Revision Date: December 2, 2020 Change Id: [1996.290] [2016.045] Applicable CRS-s: The following CRS are based on this datum: [Aden 1925] Meta Data Information Source: US NGA GeoTrans software v3.4 and other industry sources. Data Source: OGP Revision Date: December 2, 2020 Change Id: [2014.037]
Coordinate System:	Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree Coordinate System Details Name: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree Code: 6422 Axes: Order Name Abreviation Direction Unit 1 Lat Geodetic latitude north degree (supplier to define representation) Unit Details Unit Name: degree (supplier to define representation) Unit Code: 9122 Type: angle Target Unit: radian Unit Details Unit Name: radian Unit Code: 9101 Type: angle Target Unit: radian Meta Data Remarks: SI standard unit. Information Source: ISO 1000:1992 Data Source: IOGP Revision Date: December 2, 2020 Change Id: [2015.062] Meta Data Remarks: = pi/180 radians. The degree representation (e.g. decimal, DMSH, etc.) must be clarified by suppliers of data associated with this code. Information Source: OGP Data Source: IOGP Revision Date: December 2, 2020 Change Id: [2015.062] 2 Lon Geodetic longitude east degree (supplier to define representation) Unit Details Unit Name: degree (supplier to define representation) Unit Code: 9122 Type: angle Target Unit: radian Unit Details Unit Name: radian Unit Code: 9101 Type: angle Target Unit: radian Meta Data Remarks: SI standard unit. Information Source: ISO 1000:1992 Data Source: IOGP Revision Date: December 2, 2020 Change Id: [2015.062] Meta Data Remarks: = pi/180 radians. The degree representation (e.g. decimal, DMSH, etc.) must be clarified by suppliers of data associated with this code. Information Source: OGP Data Source: IOGP Revision Date: December 2, 2020 Change Id: [2015.062] Meta Data Remarks: Coordinates referenced to this CS are in degrees. Any degree representation (e.g. DMSH, decimal, etc.) may be used but that used must be declared for the user by the supplier of data. Used in geographic 2D coordinate reference systems. Information Source: OGP Data Source: IOGP Revision Date: December 2, 2020 Change Id: [2008.045] [2015.018]
Meta Data
Information Source:	US NGA GeoTrans software v3.4 and other industry sources.
Data Source:	OGP
Revision Date:	December 2, 2020
Change Id:	[2014.037]