The Ordnance Survey National Grid reference system (OSGB), also known as British National Grid (BNG), is a system of geographic grid references, distinct...
19 KB (2,177 words) - 07:38, 19 August 2024
The Ordnance Survey (OS) is the national mapping agency for Great Britain. The agency's name indicates its original military purpose (see ordnance and...
84 KB (8,586 words) - 14:35, 5 September 2024
Ordnance Survey Ireland (OSI; Irish: Suirbhéireacht Ordanáis Éireann) was the national mapping agency of the Republic of Ireland. It was established on...
13 KB (1,455 words) - 19:56, 21 May 2024
−200 m is used; thus a depth of −60 m is 140 m ATD Ordnance Survey National Grid – System of geographic grid references used in Great Britain Principal Triangulation...
7 KB (777 words) - 06:44, 24 August 2024
Retriangulation of Great Britain (category Surveying of the United Kingdom)
datum and Ordnance Survey National Grid in use today. The retriangulation was begun in 1935 by the Director General of the Ordnance Survey, Major-General...
25 KB (3,015 words) - 09:19, 16 March 2024
mapping Ordnance Survey National Grid, used in Great Britain Irish national grid reference system United States National Grid National Grid for Learning...
1 KB (166 words) - 20:15, 22 April 2020
Projected coordinate system (redirect from National grid reference system)
of the British National Grid was released in 1938, based on earlier experiments during World War I by the Army and the Ordnance Survey. During World War...
21 KB (2,803 words) - 22:28, 19 June 2024
and no smaller than 5x5 minutes of latitude and longitude. Ordnance Survey National Grid is another Transverse Mercator system designed for locations...
15 KB (2,133 words) - 06:55, 13 February 2024
Grid reference Ordnance Survey National Grid (British National Grid) Irish national grid reference system Spatial Reference System List of National Coordinate...
54 KB (6,255 words) - 06:23, 28 September 2023
1 km (100 ha) grid square in the Ordnance Survey National Grid and the Irish national grid reference system. There are 332,216 such grid squares containing...
21 KB (2,234 words) - 09:59, 10 July 2024