West Ham are still waiting for their new manager bounce under Nuno Espirito Santo. The Portuguese coach has not won any of his three Premier League matches since taking over. The last Hammers manager ...

A constellation of classified defense satellites built by the commercial company SpaceX is emitting a mysterious signal that may violate international standards, NPR has learned. Satellites associated ...

Abstract: In this contribution, novel designs of circular planar antennas capable of generating conical beam (CB) radiation patterns for millimeter-wave (mmWave) drone and vehicle communications are ...

Abstract: In this letter, a novel broadband quad-beam frequency-scanning patched leaky-wave antenna (LWA) based on substrate-integrated coaxial line (SICL) is proposed, analyzed and demonstrated.