Question: On the coast of what ocean is Rádio Nacional de Angola based?

Context paragraphs:
2008 Angola Cup: The 2008 Taça de Angola was the 27th edition of the Taça de Angola, the second most important and the top knock-out football club competition in Angola, following the Girabola.  Santos Futebol Clube de Angola beat Recreativo do Libolo 1–0 in the final, to secure its 1st title.

Museu Nacional de História Natural de Angola: The Museu Nacional de História Natural de Angola (National Museum of Natural History of Angola) is located in Largo do Kinaxixe, in the city of Luanda, Angola.  It was established in 1938 as the Museu de Angola, and was originally housed in the Fortress of São Miguel, initially with departments of Ethnography, History, Zoology, Botany, Geology, Economics and Art.  A library and colonial history archive was added.  In 1956 it moved to its current 3-storey building, and it today features a large collection related to the country's natural history and rich and varied fauna.  The museum features spacious lounges, which contains stuffed specimens of mammals, fish, whales, insects, reptiles and birds.

Movement for the National Independence of Angola: The Movement for the National Independence of Angola (in Portuguese: "Movimento para a Independência Nacional de Angola") was a political party in Angola, formed in 1958.  MINA later merged with other parties to form the Popular Movement for the Liberation of Angola (MPLA).

Luanda: Luanda, formerly named São Paulo da Assunção de Loanda, is the capital and largest city in Angola, and the country's most populous and important city, primary port and major industrial, cultural and urban centre.  Located on Angola's coast with the Atlantic Ocean, Luanda is both Angola's chief seaport and its administrative centre.  It has a metropolitan population of over 6 million.  It is also the capital city of Luanda Province, and the world's fourth most populous Portuguese-speaking city, behind only São Paulo, Rio de Janeiro, and Salvador, Bahia all in Brazil, and the most populous Portuguese-speaking capital city in the world, ahead of Brasília, Maputo and Lisbon.

1970s in Angola: The 1970s in Angola, a time of political and military turbulence, saw the end of Angola's War of Independence (1961–1975) and the outbreak of civil war (1975–2002).  Agostinho Neto, the leader of the People's Movement for the Liberation of Angola (MPLA), declared the independence of the People's Republic of Angola on November 11, 1975, in accordance with the Alvor Accords.  UNITA and the FNLA also declared Angolan independence as the Social Democratic Republic of Angola based in Huambo and the Democratic Republic of Angola based in Ambriz.  FLEC, armed and backed by the French government, declared the independence of the Republic of Cabinda from Paris.  The National Liberation Front of Angola (FNLA) and the National Union for the Total Independence of Angola (UNITA) forged an alliance on November 23, proclaiming their own coalition government based in Huambo with Holden Roberto and Jonas Savimbi as co-presidents and José Ndelé and Johnny Pinnock Eduardo as co-Prime Ministers.

Rádio Nacional de Angola: Rádio Nacional de Angola is a national radio station in Angola.  It is based in the capital of Luanda.  The station broadcasts in Portuguese, English, French, Spanish, and major local languages and is operated by the government of Angola.

Correios de Angola: Empresa Nacional de Correios e Telégrafos de Angola, operating as Correios de Angola (CA), is the state-owned company responsible for postal service in Angola, founded in 1980.

João Lusevikueno: João Lusevikueno (born in Luanda January 6, 1973) is the Vice-President of the Angolan Football Association for Communication, Marketing and External Relations.  A former prominent African football analyst for the Angolan state-owned radio station – Rádio Nacional de Angola (RNA), João is a reference in the Angolan football scene.

Clube Nacional de Benguela: Clube Nacional de Benguela, founded on June 24, 1920, as Sports Clube Portugal de Benguela or simply Portugal de Benguela, is a sports club from Benguela, Angola.  The Elephants won five titles during the then overseas province of Angola.  Even before Angola's independence in 1975, the club's name was changed to Sports Club Nacional de Benguela.  In 1979, the club, then Clube Nacional de Benguela, was one of the founder's of Angola's premier football league (Girabola), in which season it finished as the runner-up by losing to Primeiro de Agosto 2–1 in the final.

National Bank of Angola: The National Bank of Angola (Portuguese: Banco Nacional de Angola ) is the central bank of Angola.  It is state-owned and the Government of Angola is the sole shareholder.  The bank is based in Luanda, was created in 1926, but traces its ancestry back to 1865.  The National Bank of Angola is active in developing financial inclusion policy and is a member of the Alliance for Financial Inclusion.

Supporting paragraphs: Rádio Nacional de Angola Luanda
Answer: Atlantic Ocean