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The Ordnance Survey National Grid reference system (OSGB), also known as British National Grid (BNG), [1] [2] is a system of geographic grid references, distinct from latitude and longitude, whereby any location in Great Britain can be described in terms of its distance from the origin (0, 0), which lies to the west of the Isles of Scilly.
The United States National Grid (USNG) is a multi-purpose location system of grid references used in the United States. It provides a nationally consistent "language of location", optimized for local applications, in a compact, user friendly format. It is similar in design to the national grid reference systems used in other
The Ordnance Survey maps of Great Britain use the Ordnance Survey National Grid The Ordnance Survey's original maps were made by triangulation . For the second survey, in 1934, this process was used again and resulted in the building of many triangulation pillars ( trig points ): short (c. 4 feet/1.2 m high), usually square, concrete or stone ...
Digimap is a web mapping and online data delivery service developed by the EDINA national data centre for UK academia. It offers a range of on-line mapping and data download facilities which provide maps and spatial data from Ordnance Survey, British Geological Survey, Landmark Information Group and OceanWise Ltd Ltd., (marine mapping data and charts from the UK Hydrographic Office ...
The OS MasterMap is the premier digital product of the Ordnance Survey. It was launched in November 2001. It is a database that records every fixed feature of Great Britain larger than a few meters in one continuous digital map. Every feature is given a unique TOID (TOpographical IDentifier), a simple identifier that includes no semantic ...
The event was hosted by Geograph's sponsor, Ordnance Survey. [35] It took place at the Ordnance Survey head office at Romsey near Southampton and was reported by geography-related media. [36] [37] On 4 April 2012 a second conference took place at The Circle in Sheffield. It took stock of where the project was at that time, as it neared 3 ...
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A typical map with grid lines. The Ordnance Survey National Grid (United Kingdom) and other national grid systems use similar approaches. In Ordnance Survey maps, each Easting and Northing grid line is given a two-digit code, based on the British national grid reference system with an origin point just off the southwest coast of the United ...