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Great Circle Sailing and Gnomonic Charts

This video explains the concept of great circle sailing and gnomonic charts. Most importantly, it also distinguishes the sailing and chart from mercator sailing (rhumb line) and charts. If you liked this video, you have the opportunity to become an exclusive member of our channel "Steering Mariners". For AUD 9.99, the membership will provide you with multiple benefits such as extra videos, live streams, and live interaction with me:) Link to exclusive membership:    / @steeringmariners   Contents of this video will benefit mariners preparing for exams (written and oral examinations). Mariners will also benefit by watching the following videos: Great circle sailing:    • Great Circle Sailing Calculation - with in...   Determining the final (and Initial) course angle:    • How to determine the Final (and Initial) c...   Composite great circle sailing:    • Composite Great Circle Sailing - Ocean Nav...   Calculate departure along a parallel of latitude:    • How to calculate departure (along a parall...   Calculate d’lat and d’long (Plane sailing):    • How to Calculate D'lat and D'long - Part 1...   D’lat and m’lat calculation:    • Clear your confusion about d'lat and m'lat...   Plane sailing (example 1):    • How to calculate course and distance betwe...   Mercator sailing (Example 1):    • How to solve Mercator sailing calculations...   Calculate mean latitude:    • How to calculate mean latitude or m'lat   A trick to remembering formulas in sailings:    • A simple trick to remember the formulas in...   Compare plane sailing to mercator sailing:    • How to compare Plane Sailing to Mercator S...   Day’s work (wind and leeway):    • Day's Work  - with effect of wind and leew...   Horizontal sextant angles:    • Using horizontal sextant angles to plot th...   The use of position lines:    • Coastal Navigation - The use of position l...   Rising and dipping of lights:    • Rising and dipping of lights at sea - Char...   Horizontal angles:    • Horizontal angles - Plotting ship's positi...   Compass error:    • Compass Error Calculation - Coastal Naviga...   Tidal window calculations:    • Tidal window calculations - Tides (Coastal...   Secondary port tide calculations:    • Secondary Port Tide Calculation - Tides (C...   Explaining interpolation of second port tide calculation:    • Explaining the interpolation for Secondary...   Simplified harmonic method of tide calculation:    • Simplified Harmonic Method Of Tide Calcula...   Simplified harmonic method (Theory):    • Simple harmonic method - Tide Calculation ...   PZX triangle:    • PZX triangle Rational Horizon diagram - Ce...   Venus as morning or evening star:    • Why Venus is known as the morning and even...   Circumpolar bodies (Theory):    • Circumpolar Bodies Celestial Navigation - ...   Circumpolar bodies (worked example):    • Circumpolar Bodies - Worked Example 1   Back angle of sextant:    • Back Angles of a Sextant - what is it and ...   Using back angle (Meridian Passage):    • Using the back angle of  Sun's altitude to...   Information on paper charts:    • Information on Paper Charts used on ships ...   DR and fix position, effects of wind and current, set and drift:    • Chartwork on ships - DR and fix position, ...   Running Fix (Transferring position lines):    • Chartwork on ships - Running Fix (Transfer...   Tidal diamonds:    • Chartwork for deck officers - What are Tid...   Finding the course to steer to counteract tidal currents:    • Chartwork for seafarers - Finding the cour...   Basic terms, terminology, and symbols:    • Chartwork - Basic terms, terminology and s...   Allowing for the effect of wind and current on ship’s course and speed:    • Chartwork - Allowing for the leeway (wind)...   Counteracting for the effect of current and leeway to determine the course to steer:    • Chartwork - Determining the courses to ste...   The use of position lines -    • Coastal Navigation - The use of position l...   Rising and dipping of lights:    • Rising and dipping of lights at sea - Char...   Tides General Theory:    • Tides - General theory (Coastal Navigation)   Secondary port tide calculation:    • Secondary Port Tide Calculation - Tides (C...   Tidal window calculations:    • Tidal window calculations - Tides (Coastal...   Explaining the interpolation in secondary port tide calculation:    • Explaining the interpolation for Secondary...   Mercator charts and sailings:    • Mercator Charts and Sailings - Coastal and...