AusNav #10 Vertical Sextant Angles

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AusNav #11 Horizontal Sextant Angles - Tutorial

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Calibrating and Using A Sextant

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5 Position Fixing Techniques

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AusNav #8 How to use Position Lines in Navigation - Tutorial

18:25
AusNav #1 - True North, Grid North, Magnetic North and Magnetic Variation

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Sextant Tutorial: The Principle of the Sextant

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Horizontal Sextant Angles - Chartwork and Tides

12:29