Description:

The Orthogonal Swivel Adapter AA 9205 was designed for the convenient positioning of lightweight antennas in three perpendicular directions. A typical application is a determination of the E-field magnitude |E|, which requires the measurement of the x-, y- and z components of the field strength. The respective squares must be added and the square root of this is the magnitude of the field strength. 

Application:

Initially, the AM 9144 Antenna mast should be adjusted perpendicularly using the bubble and the three adjuster-screws at its foot. The center of the antenna elements should be positioned exactly above the rotation point of the mast. The fixing bolt A is used to lock the rotation in the horizontal plane at 90° increments; both directions are possible. It is advisable to lift the fixing bolt until the rotation is possible, then rotate and slightly before reaching the desired position slowing down rotation, and giving light pressure on the fixing bolt will simplify locking. The fixing screw B is responsible to lock the antenna at vertical or horizontal polarisation.