Magnetic Compass Errors And Limitations - DVMONA Flashcards
1
Q
D
A
Deviation- internal electronics affect magnetic compass
2
Q
V
A
Variation (earth magnetic field)
3
Q
M
A
Magnetic dip- compass pointer dips when close to north and south poles
4
Q
O
A
Oscillation - combination of all other errors- causes card to swing back and forth
5
Q
N
A
North south turn errors - unos undershoot north overshoot south
6
Q
A
A
Acceleration errors - going east or west heading accelerate turns compass north and decelerate turns compass south