(PhysOrg.com) -- The ability to identify and locate enemy forces from a single moving vehicle is a challenging yet potentially life-saving capability for today's warfighters. Southwest Research ...

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

The primary source of DF accuracy is the antenna. We will therefore study the various types of antennas used for microwave passive direction finding. There is almost an infinite variety of designs; ...

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 ...

Although the basic principle of radio direction finding is easy to understand (measure the phase difference between different antennas, then calculate the angle of arrival from this difference), the ...

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) ...

Direction finding is a method to determine the direction of a transmitted signal by using two antennas and by measuring the phase difference between the antennas, as shown in Figure 10-1. This process ...

PFULLINGEN, GERMANY. With the ADFA 2, Narda Safety Test Solutions announced it is presenting its second automatic direction-finding antenna. The RF measurement specialist has increased the frequency ...

Radio direction finding and fox hunting can be great fun and is a popular activity with amateur radio (ham radio) enthusiasts. These antennas are great and are not only good for finding transmitters ...