Passive Multifrequency Forward-Scatter Radar Measurements of Airborne Targets Using Broadcasting Signals. - Micaela Contu; Alessandro De Luca 003; Stanislav Hristov; Liam Daniel; Andy Stove; Marina Gashinova; Mikhail Cherniakov; Debora Pastina; Pierfrancesco Lombardo; Aurora Baruzzi; Diego Cristallini (IEEE Trans. Aerosp. Electron. Syst., 2017)