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).
Accra
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: | April 14, 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: | April 14, 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: | April 14, 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: | April 14, 2021 |
Change Id: |
[2015.062] |
|
Meta Data |
Remarks: | = pi/180 radians |
Information Source: | |
Data Source: | IOGP |
Revision Date: | April 14, 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: | April 14, 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: | April 14, 2021 |
Change Id: |
[2008.045] |
Alias: |
Alias |
Naming System |
Remarks |
D_Accra |
ESRI |
|
|