OSGB36
E1003013
OSGB36 is the geodetic datum used as the reference framework for mapping Great Britain, underpinning the Ordnance Survey National Grid coordinate system.
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
geodetic datum
ⓘ
terrestrial reference system ⓘ |
| alsoKnownAs | Ordnance Survey Great Britain 1936 NERFINISHED ⓘ |
| axisUnits | degrees ⓘ |
| basedOn | triangulation of Great Britain ⓘ |
| category | British geodetic datum ⓘ |
| coordinateReferenceSystemCode | EPSG:4277 NERFINISHED ⓘ |
| coordinateSystemType | ellipsoidal ⓘ |
| countryUsedIn | Great Britain NERFINISHED ⓘ |
| datumOrigin | near Newlyn, Cornwall (mean sea level) ⓘ |
| datumShiftRelativeTo | WGS84 NERFINISHED ⓘ |
| datumType | horizontal datum ⓘ |
| ellipsoidInverseFlattening | 299.3249646 ⓘ |
| ellipsoidSemiMajorAxis | 6377563.396 metres ⓘ |
| epoch | 1936 ⓘ |
| globalAccuracyRelativeToWGS84 | lower than modern global datums ⓘ |
| gridSystem | Ordnance Survey National Grid NERFINISHED ⓘ |
| hasTransformationParametersDefinedBy | EPSG registry NERFINISHED ⓘ |
| introducedBy | Ordnance Survey NERFINISHED ⓘ |
| latitudeRange | 49.9 to 61.1 degrees ⓘ |
| localFit | optimized for Great Britain landmass ⓘ |
| longitudeRange | -7.56 to 1.84 degrees ⓘ |
| maintainedBy | Ordnance Survey NERFINISHED ⓘ |
| notUsedIn | Northern Ireland NERFINISHED ⓘ |
| primeMeridian | Greenwich NERFINISHED ⓘ |
| realizationOf | Airy 1830 ellipsoid fitted to Great Britain ⓘ |
| referenceEllipsoid | Airy 1830 NERFINISHED ⓘ |
| regionCovered |
England
NERFINISHED
ⓘ
Isle of Man NERFINISHED ⓘ Scotland NERFINISHED ⓘ Wales NERFINISHED ⓘ |
| requiresTransformationTo | ETRS89 NERFINISHED ⓘ |
| supersededInPracticeBy | ETRS89 for some applications ⓘ |
| underpins | Ordnance Survey National Grid NERFINISHED ⓘ |
| usedBy | Ordnance Survey NERFINISHED ⓘ |
| usedFor |
engineering applications in Great Britain
ⓘ
land surveying ⓘ large-scale mapping ⓘ topographic mapping of Great Britain ⓘ |
| usedIn | British National Grid NERFINISHED ⓘ |
| usedWithProjection | Transverse Mercator NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.