Kuschel, HeinerHeinerKuschelHoffmann, FabienneFabienneHoffmannSchroeder, AlexanderAlexanderSchroeder2022-03-052022-03-052017https://publica.fraunhofer.de/handle/publica/250465Passive radar (PR) is always dependent on illuminators of opportunity and the waveform they provide. Using multiple different illumination sources as well as the distribution of multiple sensors in multistatic networks can provide some diversity. As examples some multistatic configurations and multi-band passive coherent location (PCL)-systems are sketched indicating the wide range of applications. Furthermore, the properties of illuminators, which can be used for medium range PR processing, like frequency modulated radio, digital audio broadcast and digital video broadcast terrestrial are described. Special signal processing approaches are highlighted and a hybrid PR system and processing concept is explained. The chapter is completed with some measurement results from multistatic experiments and a civilian PCL-network application of a multistatic PCL system.en621book article