Kipp & Zonen CM 11 Instruction Manual page 21

Relative directional error
(Max zenith error in any azimuth direction)
8.00
4.00
6.00
4.00
2.00
2.00
0.00
0.00
-2.00
0 20
-2.00 -4.00
-6.00
-4.00
-8.00
Figure 9 Relative directional error
20
TECHNICAL DATA
40 60
Zenith angle [Degrees]
70 80