TN1 is the main television channel of Rádio e Televisora Nacional, the South Matamanian public broadcasting corporation. TN1 was launched on March 7th, 1957, being the country's first television network, besides being one the largest Portuguese-speaking public broadcasters worldwide and one of the largest public broadcasters in Eurdecia. The channel usually broadcasts in a 24/7 basis, with its programming being also available worldwide through TN Internacional.

TN1 has a variety of programs, composed mainly of news, talk-shows, sports, current affairs and national and international fiction (mainly sourced from other public broadcasters such as the GRT, Télévision de Roterlânie, Rait, ARR/ZRF and RTVL, Warner Bros. Entertainment and United Eurcasic Motion Pictures Group), such as films and TV series. Unlike its sister channel TN2, TN1 broadcasts commercial advertising, which, along with government grants, finances the channel.

Televisora Nacional

1957-1959

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1959-1968

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TN1/I Programa

1968-1976

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1976-1978

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TN1 (first era)

1978-1980

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1980-1981

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1981-1983

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1983

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1983

1983-1984

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1984-1985

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1985-1986

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1986-1988

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1987 (30th anniversary)

1988-1989

TN Canal 1

1989-1990

Canal 1

1990-1996

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1992 (35th anniversary)

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1995 (38th anniversary)

TN1 (second era)

1996-2002

1996-1998

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1997 (40th anniversary)
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1998-2002

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1999 (42nd anniversary)

2002-2004

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2004-2015

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2007 (50th anniversary)

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2013 (56th anniversary)

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2015-present

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2017 (60th anniversary)

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Rádio e Televisora Nacional, SGPS, S.A.
Television:
Broadcast networks: TN1 | TN2 | TN Regiões | TN Madésia
Digital channels: TN3 | TN Desporto | TN Crianças | TN Extra | TN Memória | TN Cultura | TN Música | Eurdenews
International channels: TN Meridécia | TN Internacional
Defunct: TN Mobile | TN Neicau

Radio:
FM stations: RN Antena 1 | RN Antena 2 | RN Antena 3 | RN Madésia
Digital stations: RN Antena 1 Asulmânia | RN Antena 1 Memória | RN Antena 1 Vida | RN Antena 1 Fado | RN Antena 2 Ópera | RN Antena 2 JazzIn | RN Antena 3 Rock | RN Antena 3 Dance | Rádio Zig Zag
International stations: RN Meridécia | RN Internacional


Others:
Academia RTN | Edições RTN | RTN Arena | RTN Arquivos | RTN Ensina | RTN Palco | RTN Play | RTN+ | Vídeos RTN | TN Texto

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