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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.
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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When corrections are received all charts are corrected in the ship's folio and recorded in NP133A (Admiralty Chart Correction Log and Folio Index). This system ensures that all charts are corrected and up to date. In a deep-sea vessel with a folio of over three thousand charts this can be a laborious and time-consuming task for the navigator.
(Reuters) -Broadcom forecast quarterly revenue above Wall Street estimates on Thursday and predicted booming demand for its custom artificial intelligence chips in the next few years. Shares of ...
Republican presidential nominee and former U.S. President Donald Trump is joined by Massad Boulos during a campaign stop at the Great Commoner restaurant in Dearborn, Michigan, U.S., on November 1 ...
English: Nautical chart of the Bay of Islands, Newfoundland, at a scale of 1:74,400. Surveyed by Staff Commander W.F. Maxwell assisted by the officers of the Newfoundland Survey 1880-1. Not current - not to be used for navigation!