 The station also covered important news coverages during the 70s and the 80s.In November 1978, DZBB moved to the present frequency of 594 kHz, in response to the adoption of the 9 kHz spacing on AM radio stations in the Philippines under the Geneva Frequency Plan of 1975.The station was rebranded as "Bisig Bayan" from July 17, 1989 to January 3, 1999; and completely changed its format to news and public service.