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Compass lead versus mag heading
D
Compass lead
40
C
20
D
C
D
B
B
0
A
A
A
D C
−20
B
C
D
dip= 55 degrees
Bank=[ 0 10 20 30 ]
−40
D
0
50
100
150
200
250
Magnetic Heading
300
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6
350
Maximum lead/lag
E
G
F
H
I
D
60
C
G
Dip
F
H
I
E
40
D
F
C
E
D
20
C
CDEFGH = 5,10,15,20,25,30 degrees
Shaded is >35 degrees max lead/lag
0
0
5
10
15
Bank angle
20
25
30
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Compass heading versus Magnetic heading
350
A
A
B
Compass Heading
300
B
250
A
A
B
200
A
150
100
A
dip= 55 degrees
Bank=[ 20 45 ]
50
A
0
0
50
100
150
200
250
Magnetic Heading
300
350
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Compass error from acceleration
15
B
10
B
A
5
MH
A
B
0
A
_dip angle = 55 degrees
A: 0.1g acceleration
B: 0.2g acceleration
−5
A
−10
B
B
−15
0
50
100
150
200
CH−MH
250
300
350
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