Celestial Navigation in the GPS Age

John Karl

ene 2007 · Paradise Cay Publications

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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.

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John Karl is a physicist, artist, pilot, writer, and a sailor. He learned celestial navigation 50 years ago and has been sailing for 60 years. He s taught celestial navigation workshops at the University of Wisconsin and aboard the 3-masted S/V Denis Sullivan. He s conducted marine research in the Great Lakes on the R/V Salmo and in the Gulf of California aboard the R/V Melville. Karl has sailed the Pacific Ocean, East Coast, Great Lakes, Florida Keys, and the Bahamas.