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: A low-profile pillbox antenna with mechanical beam steering is introduced for millimeter-wave applications. The antenna has two layers of long slots, one fixed and one movable. By sliding ...

One of the first things that an amateur radio operator is likely to do once receiving their license is grab a dual-band handheld and try to make contacts with a local repeater. After the initial ...