This paper discusses the narrowbandlwideband mix of potential interferences to GPlS and describes the results of a recent successful technology demonstration n hich established the efficacy of a precorrelalion temporal filter solution to narrowband interference. In (addition to describing the theory of operation of the temporal filter solution and its interference suppression performance in laboratory tests, this paper discusses potential dual use applications of the Air ForcelMayflower prccorrelalion temporal filter.It is anticipated that the unintentional interference problem in commercial GPS applications is characteristic of narronband interference, and therefore if can be fully mitigated by the temparal filter solution discus*,ed in this paper.
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