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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 ...
Download as PDF; Printable version; In other projects ... This map of shipping routes illustrates the relative density of commercial shipping in the world's oceans ...
Some of the free software mentioned here does not have detailed maps (or maps at all) or the ability to follow streets or type in street names (no geocoding). However, in many cases, it is also that which makes the program free (and sometimes open source [ 1 ] ), avoid the need of an Internet connection, [ 2 ] [ 3 ] [ 4 ] and make it very ...
George Nares in HMS Newport traversed the canal in both directions taking soundings and making measurements, and also surveyed the approaches. This led to the canal becoming an established route for the Royal Navy. [5]: 317–319 [4]: 82 Part of Admiralty Chart of the southern Red Sea, showing Avocet Rock, to the north of Jebel Zukur
The oldest sailing directions, dating back to the middle ages, descended directly from the Greek and Roman periplii: in classical times, in the absence of real nautical charts, navigation was carried out using books that described the coast, not necessarily intended for navigation, but more often consisting of reports of previous voyages, or celebrations of the deeds of leaders or rulers.
A rutter is a mariner's handbook of written sailing directions. Before the advent of nautical charts , rutters were the primary store of geographic information for maritime navigation . It was known as a periplus ("sailing-around" book) in classical antiquity and a portolano ("port book") to medieval Italian sailors in the Mediterranean Sea .
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Arctic shipping routes are the maritime paths used by vessels to navigate through parts or the entirety of the Arctic. There are three main routes that connect the Atlantic and the Pacific oceans: the Northeast Passage , the Northwest Passage , and the mostly unused Transpolar Sea Route . [ 2 ]