A friend who recently passed away once gave me this sketch and now, I pass it on to you. It illustrates the capacitance that a vertical antenna will exhibit at its bottom feed point versus the ...

When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on a high tower.

SAN DIEGO, Aug. 19, 2021 (GLOBE NEWSWIRE) -- GBT Technologies Inc. (OTC PINK: GTCH) ("GBT” or the “Company”), is now testing - Near Vertical Incidence Skywave (NVIS) Antenna Technology for its Infinia ...

When broadcasting was in its infancy, amplitude modulation (AM) was the principal modulation system being researched and developed. Once efficient generation of useful RF signals was discovered and ...

At the heart of the transmission of every radio signal is the antenna, and the simplest construct is the dipole. So basic is the dipole antenna that the half-wave version is in nearly all ...

New York, June 10, 2022 (GLOBE NEWSWIRE) -- Reportlinker.com announces the release of the report "Distributed Antenna System Market Research Report by Offering ...