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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 ...
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 ...
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.
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CHS is a world leader in the adoption of hydrographic survey technology, as well as in research and development. With responsibility for charting the world's longest coastline (243,792 kilometres) as well as 6.55 million square kilometres of continental shelf and territorial waters (second largest in the world), including extensive inland waterways such as the St. Lawrence Seaway, CHS ...
Information provided by AIS equipment, such as unique identification, position, course, and speed, is then transferred to the main Marine Traffic servers for display via the website in real time. The site uses data from OpenStreetMap on its base map, and the paid version lets users display ship locations on Nautical Charts.
Teledyne CARIS Inc. provides Geographic Information Systems (GIS) and related software for terrestrial applications such as land management, municipal planning and geology, as well as marine and hydrographic applications. The marine and hydrographic software is designed to handle the hydrographic workflow from the time sensor data is recorded ...
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.