As Solar Cycle 25 peaks, learn how increased sunspots and ionospheric ionization are boosting shortwave radio propagation.

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There is a particular satisfaction in cutting a stem from a plant you love, tucking it into soil, and watching a new life begin to take hold. Propagation, or the art of creating new plants from ...

The radio 'howl' of a lightning-like discharge has been detected at Mars for the first time. While orbiting the red planet, NASA's MAVEN spacecraft recorded an unusual electromagnetic signal back on ...

The ionosphere, as an essential component of the Earth’s space environment, contains free electrons that influence the amplitude and phase of radio signals. In the equatorial and low-latitude regions, ...

“The Secret Lives of Mormon Wives” and “Chopped” producer Propagate Content has secured a $50 million investment from Ares Management that will allow the media company to expand its stable of digital ...

A possible alternative to the active debris removal (ADR) by laser is the ablative propulsion by a remotely transmitted electron beam (e-beam). The e-beam ablation has been widely used in industries, ...

Nick’s Signal Spot is a new feature in which Nick Langan explores RF signals, propagation, new equipment and related endeavors. For VHF FM radio and TV long-distance signal reception enthusiasts, or ...

Data and software repository to support: Cerwin, Stephen A., Jesse T. McMahan, Alexandros S. Papadopoulos, Gerard N. Piccini, Nathaniel A. Frissell, Kristina V ...