Explaining the interpolation for Secondary Port Tide Calculation

This video is in addition to the video on:    • Secondary Port Tide Calculation - Tid...  .

Since one of my subscribers pointed out that the interpolation process was not very clear on my previous video, this video explains the interpolation involved in the calculation of secondary port tide calculation.
Students may watch both videos to enhance their understanding.
Other videos on this topic includes:
Information on paper charts:    • Information on Paper Charts used on s...  
DR and fix position, effects of wind and current, set and drift:    • Chartwork on ships - DR and fix posit...  
Running Fix (Transferring position lines):    • Chartwork on ships - Running Fix (Tra...  
Tidal diamonds:    • Chartwork for deck officers - What ar...  
Finding the course to steer to counteract tidal currents:    • Chartwork for seafarers - Finding the...  
Basic terms, terminology, and symbols:    • Chartwork - Basic terms, terminology ...  
Allowing for the effect of wind and current on ship’s course and speed:    • Chartwork - Allowing for the leeway (...  
Counteracting for the effect of current and leeway to determine the course to steer:    • Chartwork - Determining the courses t...  
The use of position lines -    • Coastal Navigation - The use of posit...  
Rising and dipping of lights:    • Rising and dipping of lights at sea -...  
Tides General Theory:    • Tides - General theory (Coastal Navig...  
Secondary port tide calculation:    • Secondary Port Tide Calculation - Tid...  
Tidal window calculations:    • Tidal window calculations - Tides (Co...