Campbell Scientific 03001-L R.M. Young Wind Sentry Set - Manual (Page 20)

Appendix A. Wind Direction Sensor Orientation
Subtract declination from 360
°
Add declination to 0
°
22 E
18 E
16 E
14 E
12 E
10 E
8 E 6 E
4 E
2 E
0
2 W
4 W
6 W
8 W
10 W
14 W
12 W
16 W
18 W
20 W
20 E
FIGURE A-1. Magnetic Declination for the Contiguous United States
FIGURE A-2. Declination Angles East of True North Are Subtracted
From 0 to Get True North
A-2