Feedhorn for parabolic antennae

Description

FIG. 1 is a top perspective view of a feed horn for parabolic antennae showing our new design;

FIG. 2 is a side elevational view;

FIG. 3 is a bottom plan view;

FIG. 4 is a top plan view; and

FIG. 5 is another side elevational view.

The characteristic features of our design are the extension of the circular waveguide portion of the feed horn beyond the concentric rings and the base, which is comprised of a rectangular waveguide and a bottom rectangular flange.