On a warm morning in Virginia, a wildlife researcher walks slowly through a patchwork of forest and farmland, eyes scanning the ground for something most people would never notice. Somewhere under ...

Abstract: This article presents a broadband reconfigurable very-high-frequency/ultrahigh-frequency (VHF/UHF) plasma antenna with omnidirectional features for naval ...

Being able to keep a calm head in emergency situations at sea will save lives. Correctly operating your VHF radio and understanding when to make a mayday call or a pan pan call, is fundamental to this ...

Abstract: We present design and simulation of a beam-steering patch antenna array that operates at 30 GHz. The antenna design includes feeding lines needed for connection to a software-defined radio ...