15:00

Great Circle ( GC) Track. Calculation of GC dist, initial and final course Part 1

14:05

Great Circle Sailing

8:59

Trying to understand the Haversine Formula

4:14

Why don't ships go straight? | Great Circles

20:41

Angles in Polygons - GCSE Maths

12:25

GREAT CIRCLE SAILING BASICS | NAPIERS RULE | SPHERICAL TRIANGLE | CHART WORK CONCEPT |AHOY! NAVIGOS.

9:05

Great Circles and Rhumb Lines - Types of Routes

13:15

Navigation _ To obtain GC distance, initial and final course