Antennas installed at 18 U.S. high schools detected bursts of radio activity that can precede solar disturbances capable of ...

Air Traffic Controllers use Automatic Dependent Surveillance-Broadcast (ADS-B) as an alternative to secondary radar to track aircraft. The ADS-B is transmitted by the aircraft and contains informat… ...

This weekend in Seattle, amateur radio operators are gearing up for a disaster preparedness drill at South Seattle College, ...

Universal mounting kit options include: the trailer side mount antenna kit, trailer nose mount antenna kit, and the truck mount kit. By Kevin Linger Jun 3, 2025. PRT North American Portfolio Expands ...

The batwing antenna is widely used at UHF frequencies, and typically has a 1.1:1 VSWR bandwidth of 30% or more. Particle swarm optimization was used to design HF versions of the antennas, which ...

Engineers test one of two high frequency radar antennas for Europa Clipper’s REASON instrument on a hilltop at NASA’s Jet Propulsion Laboratory. The antenna is the narrow copper tube, held straight by ...