Made by KiwiSDR NZ in New Zealand, the KiwiSDR 2 is a software-defined radio with its own computer, packed into a small metal box.

The humble radio antenna has become more of a design feature in recent years, but sometimes the shape is dictated by function ...

Don't miss a moment of the Winter Olympics. Here's how to watch live, for free and stream the action without cable.

CT on Sunday, Feb. 8. The Patriots and the Seahawks will face off at the big game for the second time in NFL history. NBC ...

Super Bowl LX starts Sunday, Feb. 8, 2026. Here’s the kickoff time in ET/CT/MT/PT, plus TV channel and streaming options. The post Super Bowl Kickoff Time Is Set — Here’s Exactly When It Starts in ...

Operating at millimetRE-wave frequencies introduces a set of engineering challenges that extend far beyond traditional radio frequency testing ...

Pencils and saws, nice.

A geomagnetic storm on Jan. 20 triggered unexpected F2 propagation, allowing VHF DXers in North America to receive TV signals from as far away as Colombia.

Modern satellites rely on electromagnetic waveguides—hollow structures that carry high-power signals between components such ...

Abstract: This paper proposes a novel antenna design method based on three-stage fine-tuning transfer learning and Bayesian hyperparameters optimization. The proposed method uses transfer learning to ...