There are better ways to build a radio telescope in your back yard, but the thought of having a gigantic parabolic dish out back, peering into the heavens, has stuck with me. I’ve even designed ...

And for many applications, the directionality and gain of a dish can really help reach out ... umbrella because the reflector has an actual parabolic shape. The reflective material was stripped ...

This paper looks to investigate methods of obtaining high gain and directivity from a multilayer planar ... easier to install antenna is proposed for satellite communication in replacement of a ...