its content partners CBN Asia and Trinity Broadcasting Network. GMA Network: Launched on October 29, 1961, by American journalist Robert Stewart under the name Republic Broadcasting System (RBS), it was the fifth television station launched in the Philippines. The network was shutdown on September 23, 1972, due to martial law but returned in December of the same year after it was allowed by the government. In 1974, RBS changed its name to GMA Radio-Television Arts after the takeover by the new management by the triumvirate composed of Gilberto Duavit Sr., Menardo Jimenez, and Felipe Gozon. It eventually became one of the top stations in the country. The network was rebranded as GMA Rainbow Satellite Network in 1992 before it went adopted its current name as GMA Network in 1995. TV5: Launched on June 19, 1960, by Chino Roces of The Manila Times as ABC, it was the fourth television station launched in the Philippines. On September 23, 1972, ABC was one of the networks forcefully shut down by then-President Ferdinand Marcos due to the implementation of martial law. On February 21, 1992, ABC returned on television and became the fastest-growing network. On August 9, 2008, the network was relaunched as TV5. The network is currently owned by PLDT's media arm, MediaQuest Holdings of Manuel V. Pangilinan. Government-owned television networks Intercontinental Broadcasting Corporation (IBC): is a Philippine-based media company and VHF television network of the Government Communications Group under the Presidential Communications Office (PCO). IBC, along with sister stations Radio Philippines Network and sister media companies People's Television Network and Philippine Broadcasting Service, forms the media arm of the OPS. Its studios, offices and broadcast facilities are located at the IBC Compound, Lot 3-B, Capitol Hills Drive cor. Zuzuarregui Street, Barangay Matandang Balara, Diliman, Quezon City. People's Television Network (PTV): is the flagship state broadcaster owned by the Government of the Philippines. Founded in 1974, PTV is the main brand of People's Television Network, Inc. (PTNI), one of the attached agencies under the Presidential Communications Office (PCO). PTV, along with sister media companies Radio Philippines Network (minority-owned) and Intercontinental Broadcasting Corporation, and radio network Philippine Broadcasting Service, forms the media arm of the OPS. Its head office, studios and transmitter are located at Broadcast Complex, Visayas Avenue, Barangay Vasra, Diliman, Quezon City. Radio Philippines Network (RPN) (20% minority share; currently carries CNN Philippines): is a Filipino-based media company based in Quezon