Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind the question is pretty obvious — as guardians of the spectrum, ...

Abstract: An electrically small (ES) dual-band, dual-polarized omnidirectional dipole antenna is presented. This design combines two dual-band ES antenna (ESA) cells arranged in a cross-perpendicular ...

Abstract: In this paper, a broadband circularly polarized (CP) magneto-electric (ME)-dipole antenna fed by a forked microstrip feeding line is presented for millimeter-wave (mmW) communication.

Scientists at Tel Aviv University have proposed an intriguing way to peer into one of the most mysterious chapters in cosmic history — the “dark ages” of the Universe, a time before the first stars ...