Soldiers with the 11th Corps Signal Brigade, competed in the 2025 QRPX, a low power high frequency (HF) radio communications ...

While composed of sub-wavelength structures, Frequency Selective Surfaces are capable of manipulating electromagnetic ...

The current fighting in Ukraine has demonstrated how electronic warfare systems can be employed to enable the protection and ...

Hydrogen – the most abundant element in the universe – naturally emits radio waves at this frequency, leading some astronomers to suggest that it may have been deliberately chosen by extraterrestrial ...

Minneapolis police have long used encrypted channels for sensitive investigations, or specialized units like SWAT. Now the ...

Imagine factories and machines communicating with each other; that's the Industrial Internet of Things. mmWave technology helps make this happen by providing a super-fast internet connection, allowing ...

AT an informal meeting of the Institution of Electrical Engineers held in London on January 24, the industrial applications of radio-frequency methods of heating were discussed, and the opening ...

Amateur radio, also known as ham radio, is a hobby that involves experimenting with radio frequencies, building antennae and participating in radio contests. Amateur radio enthusiasts, also known as ...

OpenDPD is an end-to-end learning framework built in PyTorch for power amplifier (PA) modeling and digital pre-distortion (DPD). You are cordially invited to contribute to this project by providing ...

Abstract: This letter proposes a broadband, high-efficiency radio frequency (RF) rectifier with a frequency selective topology and simple structure for wireless power transmission (WPT). The rectifier ...

As the map below shows, currently 1116 AM serves parts of North Nelson, inland areas of Tasman including Upper Moutere and Dovedale and some parts of Golden Bay. The frequency covers an area of ...