DZBB (pronounced DZ-double-B) (594 kHz AM) - broadcasting as GMA Super Radyo DZBB 594 is a 24/7 news/talk radio station based in Diliman, Quezon City, Philippines, aimed at the Mega Manila market. It is the flagship station of the Super Radyo Stations. Apart of GMA News and Public Affairs, the news division owned by the Radio GMA Network Inc. (RGMA, a subsidiary of GMA Network Inc.) The station's studio is located at the GMA Network Center, EDSA corner Timog Avenue, Diliman, Quezon City, while its transmitter is located at Barangay Panghulo, Obando, Bulacan.
At present, Super Radyo DZBB 594 is considered as one of the top stations in the AM band in Metro Manila and is recognized as one of the most awarded radio stations in the Philippines. Source