The journey of Earth’s radio signals began over a century ago, following the first intentional broadcast by Reginald Aubrey ...

A 2019 study conducted by Lisa Kaltenegger and Jackie Faherty for Cornell University examined which nearby stars could detect our Earth by seeing it pass in front of the sun. The study notes: "Even ...

Therefore, investors can turn to the price-to-sales (P/S) ratio. GoPro's shares still trade at a discount compared to Sirius ...

Allen Telescope Array campaign shows slow changes in radio scintillation that can nudge pulsar timing by billionths of a second ...

Abstract: The critical frequency of the ionospheric F2 layer (foF2), one of the essential channel parameters for high-frequency (HF) global communications via sky waves, shows significant variability ...

Abstract: This tutorial presents an overview of RF and mm-wave power-amplifier (PA) designs in silicon, focusing on the design fundamentals. First, the tutorial introduces PA performance metrics and ...

A University of Southampton study has revealed an intriguing new clue in the mystery of what triggers periods of very intense, brightly colored activity during displays of both the southern and ...

WASHINGTON :Hackers are hijacking U.S. radio transmission equipment to broadcast bogus emergency messages and obscene language, the Federal Communications Commission said on Wednesday. In a public ...