ANTENNA BEAM PATTERN definition
ANTENNA BEAM PATTERN. An antenna beam cluster is defined as the pattern an individual antenna beam projects on the earth's surface. ANTENNA BEAM CLUSTER An antenna beam cluster is defined as the number of antenna beams that can be created by a single SV antenna panel. AZIMUTH Arc of the horizon around an axis on a line from the center of the earth through the observer, measured clockwise from 0 to 360 degrees with 0 degrees referenced to true north.