A sigh of relief from the Bundeswehr: the antennas of two reconnaissance satellites could now be extended after all. They were jammed in the satellites. Those responsible at the German Armed ...

On Monday this masthead reported that a $20m government audit of mobile coverage “contradicted” Telstra’s claim that an expensive external antenna wasn’t needed to access the entirety of ...

A temporary control tower error caused an Army helicopter to lose contact, prompting two commercial planes to perform ...

Abstract: A low-profile, high-gain, and low cross-polarization omnidirectional antenna is proposed. The antenna structure is pretty concise with convenient probe feeding and sandwich-structure design.

Abstract: A hybrid global-local optimization technique for the design of antennas is presented. It consists of the subsequent application of a genetic algorithm (GA) that employs coarse models in the ...