When you search "HDTV antenna" on Amazon, you're going to see about 20 to 30 cheap flat-panel antennas made for city homes. Though they all look the same, I found the Channel Master Flatenna ...

This paper aims to comprehensively review the literature on Gaseous Plasma Antennas (GPAs). These innovative devices transmit electromagnetic (EM) signals through ionized gas, known as plasma, instead ...

The dual-frequency properties of a dual annular-ring slot antenna fed by coplanar waveguide (CPW) and microstrip feedline are presented and experimentally studied. The proposed antenna is constructed ...