 Initially known as KZAS, the station began its broadcast on June 4, 1948, as the lyrics of the hymn “All Hail the Power of Jesus’ Name” wafted in the air for the first time, signaling the beginning of Gospel broadcasts in the country.KZAS eventually came to be known as 680 kilocycles (read ""Six-Eighty"") DZAS in the year 1948.In November 1978, DZAS moved to the present to frequency of 702 kHz in response to the adoption of the 9 kHz spacing implented by the Geneva Frequency Plan of 1975 on AM radio stations in the Philippines and across the Asia-Pacific region.