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  2. Ordnance Survey - Wikipedia

    en.wikipedia.org/wiki/Ordnance_Survey

    The Ordnance Survey still maintains a set of master geodetic reference points to tie Ordnance Survey geographic datum points to modern measurement systems such as GPS. Ordnance Survey maps of Great Britain use the Ordnance Survey National Grid rather than latitude and longitude to indicate position.

  3. Digimap - Wikipedia

    en.wikipedia.org/wiki/Digimap

    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 ...

  4. National GPS Network - Wikipedia

    en.wikipedia.org/wiki/National_GPS_Network

    It is managed by Ordnance Survey. It provides access to a stable, national coordinate reference system (through downloaded GNSS data) that allows highly accurate location to be determined using suitable equipment, and is used in surveying, construction and precision agriculture industries, among other uses.

  5. OS MasterMap - Wikipedia

    en.wikipedia.org/wiki/OS_MasterMap

    The OS MasterMap is the premier digital product of the Ordnance Survey. It was launched in November 2001. 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 .

  6. Template:Ordnance Survey coordinates - Wikipedia

    en.wikipedia.org/wiki/Template:Ordnance_Survey...

    {{Ordnance Survey coordinates|cc|tt}} Where: cc is the grid reference in one of the formats listed below followed, optionally, by any additional parameters. For example: TQ123456_region:GB_scale:25000; tt is the text to appear in the link. Grid reference formats - letters are not case-sensitive:

  7. Ordnance Survey National Grid - Wikipedia

    en.wikipedia.org/wiki/Ordnance_Survey_National_Grid

    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.

  8. United States National Grid - Wikipedia

    en.wikipedia.org/wiki/United_States_National_Grid

    Ordnance Survey Great Britain 1936: SK-42: Systema Koordinat 1942 goda: ED50: European Datum 1950: SAD69: South American Datum 1969: GRS 80: Geodetic Reference System 1980: ISO 6709: Geographic point coord. 1983: NAD 83: North American Datum 1983: WGS 84: World Geodetic System 1984: NAVD 88: N. American Vertical Datum 1988: ETRS89: European ...

  9. Unique Property Reference Number - Wikipedia

    en.wikipedia.org/wiki/Unique_Property_Reference...

    The Unique Property Reference Number (UPRN) is a unique number (a geocode) for every addressable location—e.g., a building, a bus stop, a post box, a feature in the landscape, or a defibrillator—in Great Britain. [1] Over 42 million locations have UPRNs, which can be found in Ordnance Survey's AddressBase databases. [1]