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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.

  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

    A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks. Depending on the scale of the chart, it may show depths of water ( bathymetry) and heights of land ( topography ), natural features of the seabed, details of the coastline, navigational hazards, locations of natural and ...

  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 ...

  6. History of navigation - Wikipedia

    en.wikipedia.org/wiki/History_of_navigation

    The history of navigation, or the history of seafaring, is the art of directing vessels upon the open sea through the establishment of its position and course by means of traditional practice, geometry, astronomy, or special instruments. Many peoples have excelled as seafarers, prominent among them the Austronesians ( Islander Southeast Asians ...

  7. Hydrographic survey - Wikipedia

    en.wikipedia.org/wiki/Hydrographic_survey

    Hydrographic survey is the science of measurement and description of features which affect maritime navigation, marine construction, dredging, offshore wind farms, offshore oil exploration and drilling and related activities. Surveys may also be conducted to determine the route of subsea cables such as telecommunications cables, cables ...

  8. Marshall Islands stick chart - Wikipedia

    en.wikipedia.org/wiki/Marshall_Islands_stick_chart

    A Micronesian navigational chart from the Marshall Islands, made of wood, sennit fiber and cowrie shells. Stick chart in Überseemuseum Bremen. Stick charts were made and used by the Marshallese to navigate the Pacific Ocean by canoe off the coast of the Marshall Islands. The charts represented major ocean swell patterns and the ways the ...

  9. Tidal and Nautical Charts - Great Exuma Forum - Tripadvisor

    www.tripadvisor.com/ShowTopic-g147429-i786-k...

    9 reviews. 6 helpful votes. Tidal and Nautical Charts. 3 years ago. We'll be in Exuma in two weeks and have rented a boat to get around Elizabeth Harbor. I'll have my phone and a data plan but no computers/wifi/etc. Has anyone purchased nautical charts around the harbor that are reliable enough to keep me out of trouble (especially down south ...

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