Amateur radio operators from throughout San Diego County demonstrated their emergency communication skills during an ARRL Field Day event at Lake Poway. The Poway Amateur Radio Society joined ...

The proliferation of RFID applications motivates an integrated solution to reduce the cost and physical size of readers. This paper describes the architecture and design of a world-wide ...

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) ...

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 ...