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| Broadcast area | Mega Manila and surrounding areas |
| Frequency | 594kHz |
| Branding | GMA Super Radyo DZBB 594 |
| Programming | |
| Language | Filipino |
| Format | News,Current Affairs,Talk,Drama |
| Network | Super Radyo |
| Ownership | |
| Owner | GMA Network Inc. |
| History | |
First air date | March 1, 1950; 75 years ago (1950-03-01) |
Former frequencies | 580 kHz (1950–1978) |
Call sign meaning | BisigBayan (former branding) BoB Stewart (founder) |
| Technical information | |
Licensing authority | NTC |
| Class | A (clear frequency) |
| Power | 50,000watts |
| Repeaters | SeeList of GMA Network radio stations |
| Links | |
| Webcast | Listen Live |
| Website | gmanetwork.com/radio/dzbb |
DZBB (pronounced DZ-double-B; 594AM)Super Radyo (transl. super radio) is a radio station owned and operated byGMA Network Inc. It serves as the flagship station of the Super Radyo network and one of the assets ofGMA Radio andGMA Integrated News. The station's studio is located at the 3rd floor ofGMA Network Studio Annex, GMA Network Drive corner Samar Street, Diliman,Quezon City, while its transmitter is located along Camia St., Brgy. Panghulo,Obando, Bulacan.[1][2][3]
Cable companySpectrum broadcasts the audio of DZBB along with that of DWLS to theUnited States as part of its "Filipino Channels" package[4]
Super Radyo DZBB is the #1 AM radio station inMetro Manila, according to the Nielsen Radio Audience Measurement survey conducted in July 2025.[5]
DZBB marked its inaugural broadcast, as the station's static-marred signal was wafted on the air for the first time on March 1, 1950, byRobert "Uncle Bob" Stewart, in a small office space inCalvo Building,Escolta,Binondo,Manila, with mostly second-hand equipment and an old, surplus radio transmitter. The station was then broadcasting on the frequency of 580 kHz, with the power of 10,000 watts.
Despite the scarcity of new broadcasting facilities, the station has scored many milestones with itsnews, Congressional coverage, breaking news, exclusives, and blow-by-blow accounts of major national events. It was also a pioneer with trendsetting shows such asCamay Theater of the Air,Cathay Broadcasting,Lovingly Yours, Helen,Kahapon Lamang,Tawag ng Tanghalan,Newscoop, andKwentong Kutsero. Some of these shows eventually became television shows. DZBB was also the first to air live coverage of not only news and public affairs, but also entertainment and educational programmes.
In 1957, DZBB moved to its new and current home at EDSA,Quezon City.
Due to the success of DZBB, Stewart ventured into television on October 29, 1961, as DZBB-TV Channel 7 with the branding of RBS-7 (now known asGMA-7 Manila). The station was seized and closed in September 1972 due toMartial Law pursuant toProclamation No. 1081. Two years later, due to changes in media ownership laws, Channel 7, DZBB and their other sister provincial radio and television stations were eventually sold to the triumvirate of Gilberto Duavit Sr., Menardo Jimenez andFelipe Gozon. At the same time, DZBB returned to the airwaves — through the efforts of the station's new management — under its new branding "Dobol B", which would later be rebranded to simply DZBB 594 kHz; it became a music-personality radio station and it also covered major news stories in the 1970s and 1980s. 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 theGeneva Frequency Plan of 1975.
The station was rebranded as "Bisig Bayan" from February 1, 1989, to January 3, 1999; and completely changed its format to news and public service. Their new identity made the station more popular to radio listeners in Metro Manila. Rafael "Paeng" Yabut,Bobby Guanzon, Lito Villarosa, Rene Jose, Rey Pacheco, Raul Virtudazo,Jimmy Gil, Arman Roque, Rose "Manang Rose" Clores,German Moreno,Inday Badiday,Helen Vela, Augusto Victa, Manolo Favis, Henry Jones Ragas and Pol Caguiat were the personalities of the Bisig Bayan years.
On January 1, 1990, DZBB reformatted into a 24-hour round-the-clock broadcasting service, in order to keep up with the pace of delivering news to its listeners, subsequently releasingKape at Balita, a morning news/commentary/talk show hosted by Bobby Guanzon and thenGMA News reporterJessica Soho in 1991, which expanded to television the same year. In 1992, its transmitter in Obando, Bulacan was upgraded from 10 kW to 20 kW.
In January 1995,Mike Enriquez, then-Vice President for FM Radio Operations ofRadio Mindanao Network transferred to GMA Network as an anchor and station manager of DZBB (later promoted as consultant for radio operations of GMA and president of RGMA Network, Inc.) and he became one of the prominent anchors who served the station for 27 years until his medical leave in 2022. Enriquez died on August 29, 2023.[6][7]
On January 4, 1999, the station was once again rebranded as "Super Radyo DZBB 594". Much of their programming focuses on news and current events, and it still simulcasts GMA programs such as24 Oras andSaksi. At this time, the station's transmitter was upgraded with 50 kW state of the art to strengthen the signal.
In 2010, for the first time in Philippine radio history, DZBB and its rival stationDZMM ofABS-CBN made history as they joined forces in the name of public service. Two children named James and Jesus asked for help to find their missing parents named Pascual and Norma Bantillan from Bohol on a rival program on DZMMAksyon Ngayon Global Patrol and were eventually reunited through DZBB's programAksyon Oro Mismo.
On February 28, 2011, DZBB began its simulcast on television with the launch ofDobol B sa News TV block, coinciding with the launch ofGMA News TV.[8] The block originally included the radio station's top-rated programs such asSaksi sa Dobol B andSuper Balita sa Umaga Nationwide. It ended its simulcast on September 7, 2012.
In 2014, DZBB kept its winning streak in Mega Manila as it continued to lead rival stations in ratings, according to data from Nielsen Media Research. DZBB grabbed the lead in Mega Manila in June 2014 and has since sustained leadership in the area, which it repeated in 2017, 2019, and again from 2020 up to this day.[9]
On April 24, 2017, DZBB officially launched its new logo, its first ever jingle for the station and its newly renovated radio booth, as well as the relaunch ofDobol B TV, after almost five years of hiatus on television.
In 2020, DZBB temporarily suspended its regular programming, especially during overnight hours, in line with theenhanced community quarantine imposed by former PresidentRodrigo Duterte due to theCOVID-19 pandemic, which replaced them with news updates and hookup to sister stationDWLS. The simulcasts ofBarangay Love Stories provided to be quite a hit that later in the year DZBB responded with the launch ofSuper Radyo Nobela, which proved to be a stunning success, not just as the return of scripted radio dramas to the station, but also as the first radio drama program to be aired live on Facebook.
On February 8, 2021, the studios of DZBB, as well as the programs simulcast overDobol B sa News TV (later renamed toDobol B TV with the launch ofGTV), and its sister station DWLS, have permanently moved to its new radio booth at the GMA Network Annex Building.
DZBB's programs are mostly news, current issues, and news analysis produced byGMA Integrated News. Their morning radio shows are anchored mostly by news anchors and personalities from television.
The station also has two kinds of newscasts: a main news bulletin entitledSuper Balita with editions of the news bulletin aired at 7:00 a.m. PST, 11:30 a.m. PST (the weekday editions of its morning and lunchtime newscasts are simulcast to all Super Radyo stations nationwide), 3:30 p.m. PST and 10:00 p.m. PST every Monday to Friday andBigtime Balita, the flagship evening newscast of the station, anchored by Rene Sta. Cruz aired before the simulcast of24 Oras fromGMA Network.
On some occasions, DZBB would also air live and exclusive blow-by-blow boxing coverage, especially duringManny Pacquiao's fights (alongside Super Radyo stations nationwide). As such, DZBB became the first radio station to do so (from 2007 until 2019, and again in 2021).
As of 2020, DZBB also live streams select programs on its official Facebook page.
On January 23, 2023, DZBB added a delay simulcast of the showbiz-oriented talk showFast Talk with Boy Abunda, also fromGMA Network.
On May 7, 2023, DZBB added a simulcast of the investigative public-service showResibo: Walang Lusot ang May Atraso, also fromGMA Network.
On February 5, 2025, DZBB added a delayed simulcast of the public-service talk showCayetano in Action with Boy Abunda, also fromGMA Network.
On February 15, 2025, DZBB added a simulcast of the science-travel showScience Pinas, also fromGTV (alongside Super Radyo stations nationwide). As such, DZBB became as the first radio station to do so, hosted byRiana Pangindian andMark Wei.
On January 24, 2022, DZBB would also air live and 2022 national presidential elections, during Ikaw Na Ba?: The Presidential Interview onDobol B TV (alongsideBarangay LS 97.1 and Radio GMA AM and FM stations nationwide) As such, DZBB became the first radio station to do so, hosted by Melo Del Prado and Kathy San Gabriel.
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