Applying Variation & Deviation to a course to steer
1:55
How do I work out today's variation on an older paper chart?
10:37
How to Plot a Course to Steer
25:24
Estimated Position Run through - RYA Theory Demo
9:15
DIY Compass swinging
18:51
Ships Compass how to convert from True to Magnetic using variation and deviation.
7:48
Why Do Ships Have Two Balls?
12:05
Variation and deviation
17:56