Summary Of: British national grid reference system

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National Grid (UK) | | citations | verification | reliable references | challenged | removed | Great Britain | latitude | longitude | Ordnance Survey | grid reference | government | British Isles | Great Britain | Isle of Man | Ireland | Northern Ireland | Irish grid reference system | Ordnance Survey of Ireland | Ordnance Survey of Northern Ireland | datum | Airy | ellipsoid | retriangulation of 1936–1962 | GPS | Transverse Mercator projection | 49° N | 2° W | English Channel | Jersey | St. Malo | WGS 84 | Admiralty | nautical charts | citation needed | WGS 84 | geodetic | ITRF2000 | ETRS89 | WGS 84 | Helmert | longitude | latitude | WGS 84 | Cornwall | East Anglia | Cornwall | Scottish Borders | Scotland | Kent | English Channel | Dover | Calais | ED50 | | North Yorkshire | Ireland | Atlantic Ocean | Western Europe | Rockall | Ben Nevis | Orkney | Sullom Voe oil terminal | OS Landranger sheet | Datum | Map projection | Transverse Mercator | 49°N | 2°W | EPSG | Ellipsoid | Semi-major axis | Semi-minor axis | Flattening | World Geodetic System | Maps of the UK and Ireland | Irish grid reference system | United States National Grid | Tetrad | Hectad | Myriad | Categories | Geography of the United Kingdom | Maps from Ordnance Survey | Geographic coordinate systems | Land surveying systems | Articles needing additional references from November 2008 | All articles needing additional references | All articles with unsourced statements | Articles with unsourced statements from March 2007 |