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The British admiralty charts are compiled, drawn and issued by the Hydrographic Office. This department of the Admiralty was established under Earl Spencer by an order in council in 1795, consisting of the Hydrographer, Alexander Dalrymple, one assistant and a draughtsman.
Date/Time Thumbnail Dimensions User Comment; current: 16:42, 27 September 2021: 5,448 × 4,440 (3.85 MB): Kognos: Uploaded a work by Hydrographic Office of the Admiralty from Original chart: {{PD-UKGov}} Any derivative rights in the digital version have been released by the National Library of Scotland under the following license: {{CC-BY 4.0}} with UploadWizard
English: Nautical chart of the coast of Turkey from the Samos Strait to the Mandelyah Gulf. Surveyed by Commander T. Graves and the officers of H.M. Surveying Ship Beacon, 1835-7. Not current - not to be used for navigation!
On nautical charts, the top of the chart is always true north, rather than magnetic north, towards which a compass points. Most charts include a compass rose depicting the variation between magnetic and true north. However, the use of the Mercator projection has drawbacks. This projection shows the lines of longitude as parallel.
English: Routeing Chart for the South Atlantic in October, showing ocean currents, winds, and major shipping routes. Admiralty chart No 5125(10). Not Current - Not to be used for navigation!
A TSS is typically created in locations with large numbers of ship movements and vessels travelling in different directions and where there might otherwise be a high risk of collisions. Details of traffic separation schemes and similar routing-systems can be found on Admiralty charts. [1]
An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...
Example of colours used in British Admiralty w:nautical charts. Date: 18 August 2007: Source: Self-made in Inkscape, based on en:Image:Nautical chart colour.PNG. Author: Mysid (original PNG by en:User:Mark.murphy)