Scouts from Troops 133, 1651 and 175 recently got a taste of high-tech communication during the annual Jamboree on the Air, ...

A team from the Faculty of Physics and the Center for Quantum Optical Technologies at the University of Warsaw has developed a new type of all-optical radio receiver based on the fundamental ...

Abstract: A compact ultrawideband (UWB)-reconfigurable antenna for cognitive radio platforms is reported in this paper. The UWB antenna is a semicircular radiator with elliptical ground plane and is ...

From our “Now Shipping” page: Dielectric is now shipping its new ring-style antennas. At the Radiovana event, Dielectric Vice President of Engineering John Schadler stands inside the DCR-U RingMaster ...

6 Best HF Antennas for 2025 to Boost Your Ham Radio Signal Anywhere Links to the best HF Antennas are listed down below: 6. Moonraker Ltd GPA-80 5. DX Engineering XB-5 Hexx Beam HF Antenna 4. Foul ...

How to evaluate critical antenna performance metrics. Navigating design tradeoffs between performance, size, and cost. Effective techniques for antenna miniaturization. The rapid evolution of wireless ...

Above is my first build of a helix antenna described in W6NBC's paper in QST. Roughly speaking it would fit in a 170cm sided cube, and it definitely fits inside the non-functional decorative GRP ...

ROCKFORD, Ill. (WTVO) — Amateur radio operators from around the country will participate in a nationwide test on Saturday. In the event of a power and cell tower outage, ham radio becomes an efficient ...