GMA Network (Global Media Arts or simply GMA) is a Philippine free-to-air television and radio network. It is the flagship property of publicly traded GMA Network, Inc. Its first broadcast on television was on October 29, 1961. GMA Network (formerly known as Republic Broadcasting System, GMA Radio-Television Arts and GMA Rainbow Satellite Network) is commonly referred to as the Kapuso Network in reference to the outline of the company's logo. It is headquartered in the GMA Network Center in Quezon City and its transmitter, Tower of Power, is located at Tandang Sora Avenue, Barangay Culiat also in Quezon City with regional stations and offices strategically located in over 9 major cities across the country.