ARLINGTON, Va. – U.S. military researchers needed a company to develop new ways to model the ionosphere in real time to help predict the propagation of high-frequency (HF) radio waves for improved ...
Berlin, Germany. At the beginning of August, Fraunhofer Heinrich Hertz Institute HHI released QuaDRiGa 2.0, which is a major update of its well-established open-source radio propagation model.
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