MDA’s Information Systems group announced today that it has delivered another Direction Finding (DF) Antenna System to Ultra Electronics TCS, a provider of integrated SIGnal INTelligence (SIGINT) ...

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) ...

The Pentagon wants more accurate high-frequency direction-finding antenna for small aircraft. Credit: U.S. Army The Defense Innovation Unit is looking to find a prototype small high-frequency ...

SAN ANTONIO -- Nov. 19, 2019 -- Mitigating ongoing threats to national security requires timely intelligence data, including signals intelligence (SIGINT) obtained through electronic surveillance.

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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 ...