Datum: Accra

Geodetic Datum used in Ghana

Accra is a geodetic datum first defined in and is suitable for use in Ghana - onshore and offshore.. Accra references the War Office ellipsoid and the Greenwich prime meridian. Accra origin is Fundamental point: GCS Station 547. Latitude: 5°23'43.3"N, longitude: 0°11'52.3"W (of Greenwich). Accra is a geodetic datum for Topographic mapping. It was defined by information from Ordnance Survey International Replaced in 1978 by Leigon datum (code 6250).

Datum Details
Datum Name:	Accra
Code:	6168
Area Of Use:	Ghana Area Details Area Name: Ghana Area Code: 1104 Description: Ghana - onshore and offshore. Extents: 11.16 ° -3.79 ° 2.1 ° 1.4 ° Meta Data Information Source: ISO 3166 Maintenance Agency. ftp://ftp.fu-berlin.de/pub/doc/iso Data Source: OGP Revision Date: January 21, 2021 Change Id: [2002.341] [2005.890] [2012.049]
Scope:	Topographic mapping.
Type:	geodetic
Realization Epoch:
Origin:	Fundamental point: GCS Station 547. Latitude: 5°23'43.3"N, longitude: 0°11'52.3"W (of Greenwich).
Ellipsoid:	War Office Ellipsoid Details Name: War Office Code: 7029 Shape: Ellipsoid Semi-Major Axis: 6378300 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: January 21, 2021 Change Id: [2015.062] Inverse Flattening: 296. Meta Data Remarks: In non-metric form, a=20926201 Gold Coast feet. DMA Technical Manual 8358.1 and data derived from this quotes value for semi-major axis as 6378300.58m: OGP recommends use of defined value 6378300m exactly. Information Source: Tables for the use of the Gold Coast Survey Department, 1935. Data Source: OGP Revision Date: January 21, 2021 Change Id: [2009.075]
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: January 21, 2021 Change Id: [2015.062] Meta Data Remarks: = pi/180 radians Information Source: Data Source: IOGP Revision Date: January 21, 2021 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: January 21, 2021 Change Id: [1996.290] [2016.045]
Applicable CRS-s:	The following CRS are based on this datum: [Accra]
Meta Data
Remarks:	Replaced in 1978 by Leigon datum (code 6250).
Information Source:	Ordnance Survey International
Data Source:	OGP
Revision Date:	January 21, 2021
Change Id:	[2008.045]
Alias:	Alias Naming System Remarks D_Accra ESRI