Deviation is the angle between the(). A: true meridian and the axis of the compass card B: true meridian and the magnetic meridian C: magnetic meridian and the axis of the compass card D: axis of the compass card and the degaussing meridia
Deviation is the angle between the(). A: true meridian and the axis of the compass card B: true meridian and the magnetic meridian C: magnetic meridian and the axis of the compass card D: axis of the compass card and the degaussing meridia
1