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Imray Norie's Nautical Tables 2022 (Hardcover, New edition)
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Imray Norie's Nautical Tables 2022 (Hardcover, New edition)
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Since J W Norie published the first edition of his Complete Set of
Nautical Tables and Epitome of Practical Navigation in 1803, many
changes to the tables have been necessary in both content and
presentation. New tables have been included, obsolete ones deleted
to conform with changing techniques of navigation, with the aim of
improving the accuracy of the calculated position and reducing the
tedium of the calculation. Since the commissioning of the Global
Navigation Satellite System (GNSS), its proven accuracy and
reliability in all weather conditions have resulted in confidence
and almost unquestioning dependence on its ability to provide a
vessel’s position, course and speed. Its use is widespread but
the marine environment is a hostile one and failure of electronic
equipment or of the system itself is a possibility. No prudent
seafarer would proceed on an ocean passage without a reliable
navigational back-up. The Explanation is in the form of a detailed
step-by-step description, by means of worked examples, of the
different methods of performing navigational calculations using a
scientific calculator and/or the tables. A number of esteemed
editors have worked on Nories’ Nautical Tables over the years and
this edition includes new contributions from François Hugo. This
edition now presents formulae in an appropriate format for direct
entry to a scientific calculator. Because the possibility of
navigation without even an appropriate calculator exists, the
logarithms have been retained. • All the tables required for
coastal and deep sea navigation are included • A simple uniform
method of interpolation for all the trigonometrical tables is used
• Certain tables and data are also included which are not readily
available on board ship or are only used in the examination room.
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