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GPS Backup with a Mark 3 Sextant: All Instructions and Tables Included; For Any Ocean, on Any Date; No Background in Celestial Navigation Required.: Burch, David, Burch, Tobias: 9780914025603: Books - Amazon.ca
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GPS Backup with a Mark 3 Sextant: All Instructions and Tables Included; For Any Ocean, on Any Date; No Background in Celestial Navigation Required.: Burch, David, Burch, Tobias: 9780914025603: Books - Amazon.ca
The Demystified Astro Navigation Course – Unit 3 Part 3 | Astro Navigation Demystified
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Celestial Navigation Episode 7: The Sextant - History and Principle - YouTube
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Reeds Astro Navigation Tables 2024: : Kendall Carter: Reeds
Memory Lane: Using A Sextant for Nautical Navigation - PassageMaker