Shortwave radio enthusiasts are sure to know the problem: You're trying to tune in to your favorite global broadcast only to find that the signal is fuzzy. Is it you? Your equipment? It might just be ...

The ionosphere is of great importance to shortwave radio transmissions, since it allows radio waves to be refracted and reflected over the horizon, and it’s therefore unfortunate that the height and ...

Have you ever wondered what the invisible world of radio waves might look like if you could actually see it? Rootkid explains how his project, the Spectrum Slit, transforms the unseen chaos of ...

Abstract: The RF transmitter and receiver units are the two main components of the system. In this configuration, RF signals including information on the speed limit are broadcast by the transmitter ...

Free-space optical (FSO) communication is transforming wireless networks by enabling high-speed, secure data transmission across both terrestrial and non-terrestrial systems. Unlike traditional ...

Abstract: In urban areas, traffic congestion often causes significant delays in emergency response times, potentially jeopardizing lives. This project proposes an Automatic Lane Clearance System ...

73, all hams and radio fans! Once again, Elektor presents a pronounced combination of embedded and radio technology in the form of the ATS25 max-Decoder — a powerful, ultra-compact multimode ...

RADIANT Technology developed a new radio technology, SCARP, which allows the monitoring of up to eight VHF aviation radio frequencies simultaneously. The Software Controlled Aviation Receiver Platform ...