Abstract: Conventional horizontally polarized omnidirectional (HPO) antennas typically achieve gain enhancement by employing vertically stacked array configurations, which compress the beamwidth at ...

A unique kind of shopping experience in Japan can be found at its “antenna shops.” These are stores run by governments in other prefectures, as a way to show off particularly good products that can be ...

Discovered in the 1980s off the coast of Yonaguni Island, this submerged site features sharp angles, flat walls, and features resembling steps and roadways. Some geologists say it’s all natural.

Abstract: A millimeter-wave (mm-Wave) dual-band antenna based on microstrip dual-loop antennas (MDLAs) and microstrip patch antennas (MPAs) is presented in this letter. MDLAs are linked in series by ...