As emissoras regionais e a formação das redes nacionais de televisão no Brasil

This article analizes the process of television national networks development that presents two charateristics. The history of networks has been focused on the southeast'ern located broadcasting stations. Then theses analizes don't consider benefits of the regional station to incerase popularization of the television programmes. Moreover, they they follw two tendencies: some times appears as a political determinism, somentimes appears as an economical determinism. To demonstrate that influences, were selected two studies: Um País No ar e Mercado Brasileiro de Televisão. This text intend to verify the contributions and limits of the arguments presented in both, as well to reveal the decisive role of the regional bradcasting statios in building a national model of television networks