Dual-feed antenna

Electrically thin multi-layer bandpass radome

Electrically-thin bandpass radome with isolated inductive grids

Electromagnetic polarization selector

Electromagnetic wave spatial filter with circular polarization a

Electromagnetic window

Electronic variable polarization antenna feed apparatus

Electronically-scanned two-beam antenna

Elliptic to circular polarization converter and test...

Feed apertures with crosspolarization compensation for linear po

Feed waveguide with ferrite rod polarizer and stepped dielectric

Fixed aperture, rotating feed, beam scanning antenna system

Flatplate array antenna with polarizer lens

Frequency selective reflector

Horn antenna with rotating waveguide and polarization lens means

Identical surface shaped reflectors in semi-tandem arrangement

Integrated circularly polarized horn antenna

Inverse cassegrain antenna for multiple function radar

Inverted Cassegrain antenna for multiple function radars

Linear-circular polarizer having tapered polarization structures