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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.
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 U.S. Army Corps of Engineers developed Inland Electronic Navigation Charts (IENCs) on much of the 8,200 miles of rivers in the U.S. Inland River System. This initiative began in 2001 in response to demand from the inland navigation industry and new capability of technology with small computers and availability of accurate GPS/DGPS positioning.
Charts are maps of the areas to be navigated with details specific to the marine environment. Computing aids: used in the necessary mathematical calculations. Today electronic computers or calculators are used. Other traditional aids used included tables (trigonometric, logarithms, etc.) and slide rules.
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S-63 is an International Hydrographic Organization (IHO) standard for encrypting, securing and compressing electronic navigational chart (ENC) data.. The Data Protection Scheme was prepared by the IHO Data Protection Scheme Advisory Group, and was based on the protection scheme developed and operated by Primar as part of providing their protected ENC service.
Before the advent of nautical charts in the 14th century, navigation at sea relied on the accumulated knowledge of navigators and pilots.Plotting a course at sea required knowing the direction and distance between point A and point B. Knowledge of where places lay relative to each other was acquired by mariners during their long experience at sea.
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