Reflex feed system for dual frequency antenna with frequency cut
Resistive taper for dense packed feeds for cellular spot...
RF and IR bispectral window and reflector antenna...
Ridged waveguide antenna submerged in dielectric liquid
Ridged waveguide antenna with concave-shaped sidewalls
Ridged waveguide antenna with plural feed inputs
Ridged waveguide to rectangular waveguide adaptor useful for fee
Rotary scan antenna
Rotatable and scannable reconfigurable shaped reflector with...
Rotationally configurable offset reflector antenna
Rugged multimode antenna