This has made small antennas more popular, despite some limitations. [Tech Minds] reviews the GA-450 indoor active HF loop antenna and finds it better than expected. You can see the video review ...

[K5ACL], aka [SignalSearch], recently brought his active receive loop antenna in off the roof to ... with noise sources that interfere badly with HF. So after spending a minute or so listening ...

Two airliners abandoned landing attempts at Washington’s Reagan National Airport on Thursday afternoon when an Army Black Hawk helicopter took a “scenic route” near the flight path and ...

Researchers from the Photonics Research Center and the Army Research Lab have been collaborating on a project titled “Rydberg Atom-Based Quantum Antenna.” In support of this effort ...

Abstract: Far field patterns of large circular loop antennas of circumferences up to two and one-half wavelengths were calculated using Storer's theory for the current distribution on the antenna. To ...

The technology could provide a “5G-on-the-move” solution with improved efficiency, safety, and versatility after being implemented.

Persistent Link: https://ieeexplore.ieee.org/servlet/opac?punumber=8 ...