Central Nacional de Televisão

Rede CNT
Type	Free-to-air television network
Country	Brazil
Stations	List CNT Curitiba ; CNT Tropical ; CNT Rio de Janeiro ; CNT São Paulo ; CNT Bahia ; CNT RS ;
Headquarters	Curitiba, Paraná, Brazil
Programming
Language(s)	Portuguese
Picture format	1080i (HDTV 16:9)
Ownership
Owner	Organizações Martinez
Key people	Flávio Martinez
History
Launched	March 15, 1979
Former names	TV Tropical (1979-1992); Rede OM (1992-1993); CNT/Gazeta (1999-2000); TV JB (2007);
Links
Website	www.cnt.com.br
Availability
Terrestrial
Digital UHF	List 17 UHF (Salvador) ; 18 UHF (Belém, Brasília and Teresina) ; 19 UHF (Campo Grande) ; 20 UHF (Imperatriz) ; 21 UHF (Manaus) ; 24 UHF (Americana) ; 25 UHF (Aracaju and João Pessoa) ; 26 UHF (Florianópolis and São Paulo) ; 27 UHF (Rio de Janeiro) ; 28 UHF (Rio Branco) ; 31 UHF (Caxias do Sul) ; 32 UHF (Recife) ; 33 UHF (Cuiabá and Vitória) ; 38 UHF (Belo Horizonte) ; 43 UHF (Curitiba) ; 44 UHF (Natal) ; 47 UHF (Londrina and Porto Alegre) ; 46 UHF (Macapá) ;

Central Nacional de Televisão (English: National Television Center) also known as CNT and Rede CNT, is a Brazilian television network based in Curitiba, state of Paraná. Part of the Organizações Martinez Group, it aired for the first time in 1979 initially as TV Tropical.