Variation and deviation
18:51
Ships Compass how to convert from True to Magnetic using variation and deviation.
7:37
Magnetic Compass Deviation vs Variation – AeroGuard Flight Training Center
8:36
Radar Plotting: Complete The Plot
12:01
Ep 30: Navigation: The Nautical Chart
9:18
How To Correct Magnetic Compass Bearings
12:08
Calculate Gyro Error and Compass Deviation: Step-by-Step Guide with the ABC Method
18:31
THIS is how to use a compass: (very) simplified
23:12