How to Navigate Today

The sixth edition follows faithfully in the tradition of its honored predecessors, which, for more than forty years, have provided exactly what is needed for beginning navigators to learn the subject on their own. It explains what is being done and why, without getting beyond basic mathematics. The [...]
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The sixth edition follows faithfully in the tradition of its honored predecessors, which, for more than forty years, have provided exactly what is needed for beginning navigators to learn the subject on their own. It explains what is being done and why, without getting beyond basic mathematics. The method taught is H.O. 249 because it is simple, inexpensive, and accurate enough for use even by experts