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2. OpenSeaMap - Wikipedia

   en.wikipedia.org/wiki/OpenSeaMap

   OpenSeaMap is a software project collecting freely usable nautical information and geospatial data to create a worldwide nautical chart. This chart is available on the OpenSeaMap website, and can also be downloaded for use as an electronic chart for offline applications. [1] The project is part of OpenStreetMap. OpenSeaMap is part of the ...

3. OpenCPN - Wikipedia

   en.wikipedia.org/wiki/OpenCPN

   OpenCPN (Open Chart Plotter Navigator) is a free software maritime chart plotter and navigation software for use underway or as a planning tool. Developed by a team of active sailors and tested in real world conditions, it has multiple supported chart formats and a variety of data inputs.

4. Nautical chart - Wikipedia

   en.wikipedia.org/wiki/Nautical_chart

   Online version of Chart No.1 with "Symbols, Abbreviations and Terms" used in nautical charts; Portolan Chart of Gabriel de Vallseca, 1439; The short film "Reading Charts (April 6, 1999)" is available for free viewing and download at the Internet Archive. Nautical charts available online (Nautical Free) Online Nautical Charts Viewer

5. Electronic navigational chart - Wikipedia

   en.wikipedia.org/wiki/Electronic_navigational_chart

   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 ...

6. Notice to mariners - Wikipedia

   en.wikipedia.org/wiki/Notice_to_Mariners

   The information in the Notice to Mariners is formatted to simplify the correction of paper charts and navigational publications. The NOTMAR.gc.ca site is a free 24/7 service providing mariners with up-to-date safety advisories. It provides mariners with a quick and easy to use interface to access Notices to Mariners information.

7. Category:Nautical charts - Wikipedia

   en.wikipedia.org/wiki/Category:Nautical_charts

   Print/export Download as PDF; Printable version; In other projects ... Pages in category "Nautical charts" The following 12 pages are in this category, out of 12 ...

8. Office of Coast Survey - Wikipedia

   en.wikipedia.org/wiki/Office_of_Coast_Survey

   Responsible for updating nautical charts, surveying the seafloor, responding to maritime emergencies, and searching for underwater obstructions that pose a danger to navigation, the Office of Coast Survey provides the United States with navigation products and information for improving commerce and security and for protecting coastal environments. [1]

9. Raster Navigational Charts (NOAA) - Wikipedia

   en.wikipedia.org/wiki/Raster_Navigational_Charts...

   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.