With a specialized three-dimensional Yagi-Uda antenna on loan, [saveitforparts] listens in on some of these signals. Some of it is presumably encrypted military activity, but there’s also some ...

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 ...

BILLINGS — A major project to upgrade KTVQ television transmission technology is nearing completion, and it will directly ...

High-gain, wide-band antennas are crucial in these applications to ensure efficient signal transmission and reception. In this work, a wide-band, high-gain mm-wave printed Yagi-Uda antenna has been ...

Abstract: This paper presents a multi-band feed design for a parabolic reflector antenna, which allows to combine simultaneous meter and decimeter wavelength bands operation in one feed design. The ...