40m Vertical Parasitic Array Antenna Part III M0MCX

Waveguide-Slot Array Antenna Designs for Low-Average-Sidelobe slot array antenna The slotted waveguide antenna array is valued for its relatively low profile, high gain, and rugged structure, which has been employed for many decades in a slot le bandit A compact three-dimensional metal-printed ridged waveguide slot array antenna with wideband, dual linear polarization and low cross-polarization is

slot roma joker TL;DR: In this paper, a dual-layer partially reflective surface was placed above a slot antenna operating at 60 GHz and fed by a printed ridge-gap