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 ...

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

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 ...

Driven by recent advancements in aerospace technology, unmanned aerial vehicles (UAVs) have undergone significant growth across civilian and defense domains. While UAVs serve beneficial purposes in ...

SwRI's AF-369 VHF/UHF Terrestrial Direction-Finding Antenna provides accurate direction finding of radio frequency transmissions from 20 MHz to 3 GHz. It was recognized by R&D Magazine as one of the ...

Direction-finding, or fox hunting, is a popular activity in ham radio circles where a group of people armed with radios attempt to locate a broadcasting source. Besides being a hobby for amateurs, ...

Abstract: The proliferation of unmanned aerial vehicles (UAVs) has raised significant security and surveillance challenges, necessitating high-precision direction-finding (DF) techniques for effective ...

CoreHW Bluetooth® indoor positioning supports angle of arrival (AoA) to determine the tag’s location in real-time with cm-level accuracy. This technology benefits from the vast ecosystem of Bluetooth® ...