Tilt (S); Fig 14 Earths's Magnetic Field Components - Nokia NPL-4 Series Manual

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with respect to geographic north.
z
h
z (down)
Tilt ( σ)
Tilt angle is angle between horizontal level and equipment level. If a compass is tilt, then
this inclination has to be considered.
Copyright © 2005 Nokia Corporation. All rights reserved.
Issue 2 05/05
Figure 14: Earths's Magnetic Field Components
azimuth α
x
h
x y heading
h h
y
h
System Module and User Interface
x (heading direction)
magnetic north
declination λ
inclination δ
y (right)
heading (xyz) = real earth
magnetic field direction
NPL-4/5/
True geographic north
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