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Navigation charts at a scale of 1:50,000 or smaller (1:100,000 is a smaller scale than 1:50,000) use the Mercator projection, and have since at least the 1930s. [ 29 ] [ 30 ] The Mercator projection has the property of maintaining angles correctly, so that a line on the earth's surface that crosses all the meridians at the same angle (a rhumb ...
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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The Admiralty appointed Alexander Dalrymple as hydrographer on 12 August 1795, with a remit to gather and distribute charts to HM Ships. Within a year existing charts had been collated, and the first catalogue published. It was five years before the first chart—of Quiberon Bay in Brittany—was produced by the Hydrographer. [1]
The English Channel connects the Atlantic Ocean with the Southern part of the North Sea and is one of the busiest shipping areas in the world with ships going in numerous direction: some are passing through in transit from the Southwest to Northeast (or vice versa) and others serving the many ports around the English Channel, including ferries crossing the Channel.
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Yui Mok - WPA Pool/Getty Images. Princess Anne secured the top spot, yet again, with 217 royal engagements and a 2.4% increase from 2023, according to the report.November was her busiest month ...
Two sample pages of the 2002 Nautical Almanac published by the U.S. Naval Observatory. A nautical almanac is a publication describing the positions of a selection of celestial bodies for the purpose of enabling navigators to use celestial navigation to determine the position of their ship while at sea.