If you’re a regular reader of Hackaday, you may have noticed a certain fondness for Meshtastic devices, and the LoRa protocol ...

Abstract: In this article, a novel programmable metasurface (PM) is proposed, characterized by simple structure, high-level integration, multiple polarization modes (including dual-linear and ...

From rural Ohio to the ISS, amateur radio connects people when all else fails, blending community, resilience and global ...

Abstract: Concept of ringed stacked patch antenna with low side lobe level and enhanced bandwidth is introduced for radio altimeter avionics applications. One dimensional electromagnetic band gap is ...