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This paper presents a project proposal aimed at developing a set of components in the form of methods and tools supporting the process of detecting unauthorized satellite transmissions, realized with the VSAT (Very Small Aperture Terminal). With its help it will be possible to draw radio (spectral) maps of the existing satellite system, both for the design of new satellite system as well as for identifying unauthorized changes to the radio spectrum showing the appearance of unauthorized emissions. The results of the project may be interesting for governmental offices or security services, that deal with detection of illegal emissions, as well as manufacturers and global integrators. [ABSTRACT FROM PUBLISHER]