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

Yakima police are investigating "pirate" transmissions that are disrupting law enforcement communications. A plan to replace the radio system is underway as part of a voter-approved overhaul for first ...

Abstract: An electrically small electric-based metamaterial-in- spired antenna that is designed for narrow bandwidth operations in the VHF and UHF bands is presented. It is demonstrated that the ...

Build decentralized, long-range mesh networks with Haven - a complete open-source solution for creating self-healing IP networks that share internet access across kilometers without any central ...

OTTAWA — After 50 years, the airwaves are going silent. On Monday, Environment Canada announced its Weatherradio Canada service, which broadcasts continuous weather forecasts across Canada over VHF ...