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GMA Network Inc. is a Filipino media company based in Diliman, Quezon City, Philippines. It is primary involved in radio and television broadcasting, with subsidiaries dealing in various media related businesses. The majority of its profits are derived from publicity and marketing incomes associated to television distribution. The company has 47 VHF and 13 UHF television stations, including its flagship station in Metropolitan Manila and originating stations in the provinces that owns and operates two national the programs of its flagship television networks (GMA Network and GMA News TV), two national radio stations (Super Radyo DZBB 594 kHz and Barangay LS 97.1), two regional radio networks (Super Radyo and Barangay FM), It also operates three international channels (GMA Pinoy TV, GMA Life TV and GMA News TV International), film and television production and distribution (GMA Films), music production and publishing (GMA Records), talent development and management (GMA Artist Center) and a number of internet and digital converging technology (GMA New Media) in the Philippines. The company is a publicly traded company on the Philippine Stock Exchange. ==History== The company's roots can be traced back to then Loreto F. de Hemedes Inc.,〔(GMA Network Corporate Information ), GMANetwork.com〕 owned by Robert "Uncle Bob" Stewart, an American war correspondent. The company started with the launching of its first AM radio station in Manila through Radio Broadcasting Station, DZBB. It went on air on March 1, 1950 using the 594 kHz of the AM band, broadcasting from the Calvo Building in Escolta, Manila. Its early radio coverage highlights were the crash of President Ramon Magsaysay's plane in Mount Manunggal; the eruption of Mount Hibok-Hibok and various local elections in the Philippines.〔''GMA Gold: Fifty Years of Broadcast History'', Chelo Banal Formoso (ed.), GMA Network.〕 DZBB became the first radio station in the Philippines to use telephones for live interviews. Within years since its first broadcasts, the huge triumph of the station and its growing number of listeners made clear the move to modern facilities in EDSA, Quezon City, with the work done in 1959. On October 29, 1961, the company launched its first television station, DZBB Television using local VHF channel 7. In 1963, DYSS Television was launched in Cebu. On May 28, 1974, the company changed its name to Republic Broadcasting System, Inc. as Gilberto Duavit, Menardo Jimenez and Felipe Gozon took over the management. In 1996, the company changed its corporate identity to GMA Network Inc.〔http://www.gmanetwork.com/about GMA Network Inc., About〕〔http://www.gmanetwork.com/management GMA Network Inc., Management〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「GMA Network Inc.」の詳細全文を読む スポンサード リンク
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