Digital audio/video broadcasting (DAB/DVB-T) is already available in a large area of Europe. The advantage of using these signals for passive air surveillance is the disposability of a large range of illuminators sending an easily decodeable digital broadcast signal. In the considered multi-static scenario, one observer provides bistatic time difference of arrival (TDoA) and Doppler measurements. The main task for target tracking is to handle ghosts that arise due to problems of association between illuminators, targets and measurements. As a solution, we present a multi hypothesis tracking (MHT) filter working on different stages. The first stage includes a primary tracking directly on the measurements; the second stage works on 2D-estimates and addresses the association problem; the final stage yields 3D information. Numerical results will include performance analysis via Monte-Carlo simulations and comparison of the estimation error with the trace of the covariance matrix. Estimation errors in the x/y-plane and height will be considered separately.
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