However, creating directional antennas allowed more stations to share ... except with relatively large cells. A lot of innovation occurs when someone is angry about something as was the case ...

When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on a high tower.

the directional line-of-sight outdoor antenna will receive high-definition and digital signals from one direction, and it is optimized for high UHF and VHF signals. At almost 8-feet long, a large ...

A planar reflector is at once the simplest and yet most practical UWB reflector design [168]. Few commercial applications can tolerate an antenna protruding from an enclosure. If instead the antenna ...