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The Office of Coast Survey is responsible for preparing and maintaining over a thousand nautical charts covering the exclusive economic zone off the coast of the United States and its territories, extending 200 nautical miles (370 km; 230 mi) offshore and covering a total area of 3,400,000 square nautical miles (12,000,000 km 2; 4,500,000 sq mi ...
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 ...
The data for method 1 was retrieved from a CRS Report for Congress [1] using data from U.S. Department of Commerce, National Oceanic and Atmospheric Administration, The Coastline of the United States, 1975. [2] This is based on measurements made using large-scale nautical charts. The figure for Connecticut was arrived at separately and may not ...
An alternative use for the parcel purchased by the NCSPA for the megaport has been proposed by "Save the Cape". Their proposal is that the property be purchased from the NCSPA by the State of North Carolina for designation as a state park, preserving "the biodiversity of the limited remaining coastal wetlands for future generations." [25] [26]
The Medieval and Early Modern Nautical Chart: Birth, Evolution and Use, Lisbon-based ERC-funded academic project. They develop and maintain the MEDEA-CHART Database, a sophisticated search engine and aggregator of early nautical charts data. Online version of Chart No.1 with "Symbols, Abbreviations and Terms" used in nautical charts
An 11-member of Board of Directors governs the North Carolina State Ports Authority. Of the Board, six members are appointed by the Governor, the North Carolina General Assembly appoints four, and the North Carolina Secretary of Transportation fills the last position. North Carolina Ports is a corporate body receiving no direct taxpayer subsidy ...
Various charts and pilot books for North American waters were published in England beginning in 1671, but the first book of sailing directions, charts, and other information for mariners in North American waters published in North America was the American Coast Pilot, first produced by Edmund M. Blunt in Newburyport, Massachusetts, in 1796.
The charts are stored in BSB format. "[The BSB file format] is a proprietary format of BSB Electronic Charts, LLP (bought by MapTech, Inc.)." [1] Image manipulation tools such as GDAL can read the image information, but there also is georeferenced data in the navigational charts.