Air Traffic Controllers use Automatic Dependent Surveillance-Broadcast (ADS-B) as an alternative to secondary radar to track aircraft. The ADS-B is transmitted by the aircraft and contains information ...

[K5ACL], aka [SignalSearch], recently brought his active receive loop antenna in off the roof to give it a checkup and perform any necessary maintenance. While it was in the shack, he took the ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

Bayer's mineralocorticoid receptor antagonist (MRA) Kerendia hit the mark as a treatment for a common form of heart failure in the FINEARTS-HF study, setting up regulatory approvals, but there is some ...

Meet your ticket to free broadcasts. A good one costs less than $20. Photo-Illustration: Vulture; Photos: Courtesy of retailers This article was first published September 12, 2025, and has been ...

Abstract: In this article, a novel active impedance matching circuit with a single transistor is studied for antennas to cover over a hundred-octave bandwidth. In the proposed matching circuit, only ...

Abstract: This article reviews the application and technology advancement of gallium (Ga)-based liquid metal (LM) in high-frequency circuits and antennas. It discusses the material properties of ...

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Larry Allen, MD, MHS, and Kenneth B Margulies, MD, discuss HF management for American Heart Month and Heart Failure Awareness Week. Advances in heart failure research and management have led to ...

Digitoxin in addition to guideline-directed medical therapy, reduced the risk of a composite of all-cause death and hospitalization for worsening heart failure (HF) among patients with advanced HF and ...