The following are excerpts from the Eunice Police Department radio dispatch logs. The Police Department changed the format from chronological to one based on officers who responded to calls. Thursday, ...

Abstract: The measurement of the scattering parameter $S_{11}$ is fundamental for the characterization of radio-frequency (RF) devices and antennas. This paper ...

Abstract: During the last few years, Unmanned Aerial Vehicles (UAVs) have increasingly become primary components of various critical civilian and military applications. As technology rapidly evolves, ...

I was amazed when social media became a big thing. If I wanted to, I could communicate with people from around the world. However, social media was not a big deal for ham radio operators. They had ...