{ "item_title" : "How to Use a Sextant for Beginners", "item_author" : [" Judith F. Layne "], "item_description" : "Master the Sea with Confidence-No Electronics Required Have you ever wondered what would happen if your GPS failed in the middle of open water? Do you want the confidence to determine your position using nothing but the sun, the stars, and your own skill? Are you ready to develop a navigation method that has guided mariners safely across oceans for centuries? If you've ever felt uneasy relying entirely on electronic systems, or curious about how real navigators determined their position long before satellites existed, How to Use a Sextant for Beginners: A Practical Guide to Confident Celestial Navigation and Reliable Ocean Positioning was written for you. This book is designed for aspiring sailors, offshore cruisers, maritime students, and serious boating enthusiasts who want more than button-pushing convenience. It delivers a clear, structured, and practical pathway into the timeless art of celestial navigation. Step by step, you'll learn how a sextant works, how to take accurate sights, how to apply corrections properly, and how to perform the calculations that transform angles into reliable ocean positions. Inside, you'll discover:A clear explanation of what a sextant is and how it functionsStep-by-step guidance on measuring the altitude of the sun, stars, and planetsDetailed correction procedures for index error, dip, refraction, and semi-diameterFully worked sight reduction examples with precise calculationsPractical plotting methods to obtain accurate lines of positionReal-world navigation scenarios that build confidence and disciplineProfessional logging techniques used by experienced marinersNo vague theory. No unnecessary jargon. Every formula is explained in plain language. Every calculation is shown step by step. Every concept is connected to practical seamanship. This guide emphasizes that true navigation is a skill-not a device. When you understand celestial mechanics and can reduce a sight confidently, you are no longer dependent on fragile electronics. You become self-reliant, prepared, and capable of making informed decisions at sea. Whether you are preparing for offshore passages, building foundational maritime knowledge, or seeking the satisfaction of mastering a centuries-old discipline, this book equips you with both technical accuracy and practical confidence. Because here is the truth: electronics can fail. Batteries die. Signals disappear. But a well-trained navigator, equipped with knowledge and a sextant, remains capable under any sky. Don't wait until you need this skill in an emergency. Start building it now. Secure your copy today and take the first step toward mastering celestial navigation with confidence, precision, and independence.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/9/79/824/970/9798249709006_b.jpg", "price_data" : { "retail_price" : "13.99", "online_price" : "13.99", "our_price" : "13.99", "club_price" : "13.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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