WCGB (AM-1060) was founded in 1967 by Grace Broadcasters, Inc. The station was built in Juana Díaz. WCGB was an all-Spanish station with a Christian emphasis, but slightly secular in programming. For example, the station covered local sports, news, and politics, and it aired secular music. Yet the management also made sure that every hour of programming contained something with a religious context. For many years, the management of The Rock had desired to reach the Western side of Puerto Rico and Ponce. In 2004, Grace Broadcasters sold WCGB to Calvary Evangelistic Mission. When WCGB joined The Rock, its programming changed to a bilingual teaching format almost identical to what was already airing on WIVV and WBMJ. Most of the programming today on WCGB originates from The Rock's main studios in San Juan. However, WCGB retains a four-hour block of its own programming every weekday morning between the hours of 9 AM to 1 PM. This programming can be listened to live on a separate live stream through the Network's website.