PM on June 8, there had been 144 combat engagements along the front since the beginning of the day. The heaviest fighting was ...

With few exceptions, amateur radio is a notably sedentary pursuit. Yes, some hams will set up in a national or state park for ...

Indiana Pacers owner Herb Simon, left, holds the trophy near head coach Rick Carlisle after the Pacers won Game 6 of the ...

Abstract: The suitability of compact antenna arrays for the direction-of-arrival (DoA) estimation of radio emissions is investigated. Some applications may set constraints with respect to the antenna ...

Abstract: We derive a general fundamental directivity limitation formula that applies to nonsuperreactive antennas of any size that fit within a minimum sphere of any given radius rmin. The derivation ...

Katy is Managing Editor at IFLScience where she oversees editorial content from News articles to Features, and even occasionally writes some.

Though the ERA system is designed for a single frequency, due to the wideband characteristics of the base antenna and unit cells, the ERA, equipped with the proposed PTM, operates effectively across a ...