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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 ...
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.
The CHS is administratively part of Fisheries and Oceans Canada's Oceans and Ecosystems Science Sector. According to mandated obligations of the Oceans Act and the Canada Shipping Act, the CHS is led by the Hydrographer General of Canada who is responsible for gathering, managing, transforming and disseminating bathymetric, hydrographic and nautical data and information into paper and ...
[1] The original author, Charles Frederic Chapman (1881–1976), was an avid boater, and the editor of Hearst's Motor Boating Magazine from 1912 to 1968. During World War I , the U.S. Government needed to train men in the Navy , Coast Guard and Merchant Marine to become operators of small boats, including landing craft, utility craft, gigs ...
Acorn TV is a British-American subscription video streaming service offering television programming from Australia, Canada, other Commonwealth countries, Spain, New Zealand, and the United Kingdom. In other countries, it is available on a variety of devices including Amazon Fire TV, Apple TV, Android TV, Chromecast, and Roku.
Navionics was founded in 1984, when Giuseppe Carnevali and Fosco Bianchetti introduced the world's first marine electronic chart plotter, the Geonav. In 2007, Navionics sold the Geonav product line, to focus solely on the production of electronic charts. On October 27, 2017, Navionics was acquired by Garmin Ltd.
The film, which stars Dennis Quaid as the 40th president, was released on Blu-ray on November 19 and immediately rose to the top of Amazon's Best Sellers in Blu-ray charts over the weekend.
A chart datum is the water level surface serving as origin of depths displayed on a nautical chart and for reporting and predicting tide heights. A chart datum is generally derived from some tidal phase, in which case it is also known as a tidal datum. [1] Common chart datums are lowest astronomical tide (LAT) [1] and mean lower low water (MLLW).
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