This paper reports on experimental results of radio propagation in two underground coal mines. Measurements were performed at 900 MHz on horizontal and vertical polarization in typical coal mine ...

The Poway Amateur Radio Society is inviting the community to experience ham radio at a June 28-29 ARRL National Field Day event at Lake Poway. (Courtesy Terri Sorensen) ...

AST wants to use the 430 to 440MHz band for a satellite-to-phone service. Ham radio enthusiasts say the company's plan is vague and could interfere with their slim slice of spectrum.

This article deals with the experimental characterization of the on-body propagation channel for applications in wireless body area networks (WBANs). The on-body propagation was studied between two ...

Lyca Mobile are offering fans the chance to watch the match in style and come pitch side at the Crystal Palace game on Saturday 18 January to battle it out to win an iPhone 16, along with 12 month ...

A misaligned antenna could be the difference between mobile signal or not, that’s why Vodafone is using satellites to guarantee positioning. Vodafone will begin rolling out satellite-guided sensors ...

Cellular antennas help get a better signal and can improve data performance. They can be used directly with cellular hotspots and routers, or with boosters. They come in many form factors: MIMO, ...

Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK. Find out how to listen to other BBC stations ...

Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK. Find out how to listen to other BBC stations RADIO 5 SPORTS EXTRA This Is Sports Extra 21/07 ...