What is an azimuth plane?
Azimuth is defined as the horizontal pointing of the antenna. The azimuth angle is usually measured in degrees clockwise from a reference point, commonly taken as true north. A plane is created from rotating the azimuth angle a complete 360~ revolution about its reference point. The azimuth angle can be seen in Figure 1 as the angle 4. The azimuth plane in this case coincides with the x-y plane.
