American Practical Navigator PDF Download

Author: Nathaniel Bowditch
Publisher:
ISBN:
Category : Nautical astronomy
Languages : en
Pages : 886

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Author: Hewitt Schlereth
Publisher: International Marine Publishing Company
ISBN:
Category : Science
Languages : en
Pages : 324

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Author: Hewitt Schlereth
Publisher: Seven Seas Press
ISBN: 9780671531812
Category : Technology & Engineering
Languages : en
Pages : 304

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Author: Dominique F. Prinet
Publisher: FriesenPress
ISBN: 1525521233
Category : Transportation
Languages : en
Pages : 143

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Book Description
Coastal Navigation for Class and Home Study is based on the notes prepared for students by the author during some 20 years of teaching navigation, initially to private or commercial pilots, and then to sailors and professional mariners. The book is copiously illustrated with graphics which explain chart projections, scales and symbols, and describe lights and other navigation aids. It demystifies the True, Magnetic and Compass Norths as well as problems of time, speed and distances, and explains how to plot courses and take bearings, or draw regular and advanced Lines of Position using the international system of labeling. The book further clarifies the use of vectors to easily determine the impact of a current on the boat speed and direction, and goes on to show how to evaluate tides and currents. The final sections describe the use of GPS and electronic charts, highlighting their limitations. Additional notes and explanations are given in the areas where students traditionally experience difficulties, as well as supplementary examples and exercises. The companion book, Coastal Navigation Exercises, offers all the exercises needed for practice.

Author: Dava Sobel
Publisher: Bloomsbury Publishing USA
ISBN: 0802779433
Category : Biography & Autobiography
Languages : en
Pages : 209

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Book Description
The dramatic human story of an epic scientific quest and of one man's forty-year obsession to find a solution to the thorniest scientific dilemma of the day--"the longitude problem." Anyone alive in the eighteenth century would have known that "the longitude problem" was the thorniest scientific dilemma of the day-and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration had been literally lost at sea as soon as they lost sight of land. Thousands of lives and the increasing fortunes of nations hung on a resolution. One man, John Harrison, in complete opposition to the scientific community, dared to imagine a mechanical solution-a clock that would keep precise time at sea, something no clock had ever been able to do on land. Longitude is the dramatic human story of an epic scientific quest and of Harrison's forty-year obsession with building his perfect timekeeper, known today as the chronometer. Full of heroism and chicanery, it is also a fascinating brief history of astronomy, navigation, and clockmaking, and opens a new window on our world.

Author: Mary Blewitt
Publisher: A&C Black
ISBN: 1472906764
Category : Transportation
Languages : en
Pages : 104

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Book Description
The 12th edition of this bestselling book is proof of the success of Mary Blewitt's concise and clear style in explaining a particularly difficult skill, and it has been the bible for many generations of ocean navigators. Since this book was first published, the huge advances in electronic navigation have transported most offshore navigators to a world of press-button convenience. However, there is still a vital need for traditional skills when things go wrong: batteries can fail, aerials go overboard, and electronics have been known to get wet. A bestseller for over 50 years, Celestial Navigation for Yachtsmen is a model of simplicity and clarity. The worked examples require only straightforward addition and subtraction, which explains why this book has truly earned its reputation for admirable conciseness and for making a tricky subject easy to understand. 'The "bible" of navigation for generations of yachtsmen... worth its weight in gold' Sailing

Author: John Karl
Publisher: Paradise Cay Publications
ISBN: 9780939837755
Category : Technology & Engineering
Languages : en
Pages : 292

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Book Description
Many books on celestial navigation take shortcuts in explaining concepts; incorrect diagrams and discussion are often used for the sake of moving the student along quickly. This book tells the true story-and the whole story. It conveys celestial navigation concepts clearly and in the shortest possible time.It's tailored for navigation in the GPS age-a time of computers, calculators, and web resources. Although it covers all of the traditional methods of 'working a sight, ' the primary thrust is using the (under $10) scientific calculator. By using equations that you key into your calculator, this book guides you toward a better understanding of the concepts of celestial navigation.You will learn novel ways to plot lines of position, ways to check your sextant accurately by star sights, and how to tell what time it is from a moon sight. The many appendices are a treasure of references and explanations of abstract ideas. Celestial Navigation is a crucial skill for the offshore navigator to know, this book provides the shortest path to that knowledge.

Author: Hewitt Schlereth
Publisher: Sheridan House, Inc.
ISBN: 9781574090581
Category : Reference
Languages : en
Pages : 148

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Book Description
Hewitt Schlereth is a writer and sailing enthusiast.

Author: Jack Case
Publisher:
ISBN: 9780954133122
Category : Nautical astronomy
Languages : en
Pages : 316

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Book Description
Written in plain language, 'Astro Navigation Demystified' aims to make the art of astro navigation easy and enjoyable to learn.

Author: Panos Photinos
Publisher: Morgan & Claypool Publishers
ISBN: 1627056815
Category : Science
Languages : en
Pages : 126

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Book Description
Visual Astronomy introduces the basics of observational astronomy, a fundamentally limitless opportunity to learn about the universe with your unaided eyes or with tools such as binoculars, telescopes, or cameras. The book explains the essentials of time a