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- ...[[terrestrial television]] and [[cable television]]. In many areas of the world satellite television services supplement older terrestrial signals, providi ...]]’s geostationary [[Anik 1]], which was launched in 1972 . [[ATS-6]], the world's first experimental educational and [[Direct Broadcast Satellite]], was la28 kB (4 211 palavras) - 11h35min de 11 de maio de 2007