The HackRF One/PortaPack H2 combo in a portable case helps bridge the gap between old-school discrete radios and modern software-defined radio.

However, characterizing the factors contributing to low frequencies (the seismic source, response of the receiver, and spectral signal-to-noise) and their effects may be complicated. The Hussar, ...

Depending on the brand, the mile range varies, and the broadcast channels as some may have UHF, VHF ... give you a strong signal for the ultra high-frequency programming broadcast.

such as a 150-200 mile range, not to compromise the signal. TV signals are broadcast on two bands, VHF(very high frequency) and UHF(ultra-high frequency). Many manufacturers claim to produce ...

This Report includes the sharing and compatibility studies of HAPS systems in the 27.9-28.2 GHz and 31.0-31.3 GHz frequency ranges with services to which the bands are allocated on a primary basis, to ...

Giroux explains that long-range communications are often satellite-based around ... important as some customers expect HF to work like a normal telephone system or simple UHF/VHF PTT comms. Also, ...

The purpose of the research was to evaluate the role of high frequency ultrasound in monitoring and efficacy assessment of anti-cellulite treatments. A group of 66 women used 3 different types of anti ...