Radar is one of the most important and widely used sensing technologies in the modern world. Whether it’s air traffic control, weather monitoring, or national defense, radar plays a central role. However, in recent years, a lesser-known yet increasingly promising technology has gained attention: passive radar. Unlike conventional (active) radar systems that emit their own…

When You Hear “Tracking” or “Radio tracking transmitter” , many people picture scenes from spy movies when they hear the words “tracking” or “radio transmitter”—agents placing beacons on cars or people. In reality, however, this technology serves a much more peaceful and meaningful purpose: observing and protecting nature. Today, radio tracking of wild animals is…