Abstract: A compact cylindrical-shaped flat dielectric lens (FDL) antenna, partially sandwiched within a parallel-plate waveguide (PPW), is presented. The design elegantly combines uniform FDL ...

Abstract: This letter proposes a wideband two-dimensional (2-D) switched beam antenna array with single/dual/quad-lobed switched beams for direction of arrival (DOA ...

Or in the case of [MM0OPX] trying to find fly fishing reels that are suitable for his Adjustiwave multi-band VHF-HF ham radio antenna ... out the walk around and build discussion videos ...

We’d love to have one on the workbench when busting out some quick prototypes. For another take on the home-built PCB mill, why not check out this snap-together version?