Hughes Aircraft Company

Ronald S Miller

John T Branigan

A low-profile full aperture traveling wave monopulse antenna assembly including a circular faceplate having a plurality of parallel rows of radiating apertures formed therethrough, a circular backplate having a pair of feed openings each extending across the backplate on opposite sides of and parallel to a centrally located chord perpendicular in orientation to the rows of radiating apertures, a circular backplate mounted between and spaced apart from the faceplate and the backplate by a plurality of walls forming a plurality of parallel waveguide channels therein, a pair of feed waveguides each mounted adjacent the backplate above a different feed opening and each electromagnetically coupled to opposite ends of the waveguide channels, and a monopulse comparator network mounted adjacent the backplate and coupled to the pair of feed waveguides.

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LaVerne, CA, United States of America

Ronald S Miller