The Model 643 dual-polarized single-band antenna system is presented as the first broadcast monitoring solution that receives and allows for high-speed accurate wideband direction finding (DF) ...
SAN ANTONIO -- Nov. 19, 2019 -- Mitigating ongoing threats to national security requires timely intelligence data, including signals intelligence (SIGINT) obtained through electronic surveillance.
We think of radio navigation and direction finding as something fairly modern. However, it might surprise you that direction finding is nearly as old as radio itself. In 1888, Heinrich Hertz noted ...
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