Dual channel software defined radio. Two antennas. An example of a receiver antenna pair used for FM radio passive radar is shown below. Both antennas are log-periodic antennas that are broad band ...

The days when software defined radio techniques were exotic are ... This is useful for everything from direction finding and passive radar or beam forming. The code is also available on GitHub.

Researchers at the Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR are breaking new ground in avalanche detection. Passive radar—which uses signals from the new Starlink ...