WRSJ (1520 AM) is a radio station broadcasting an Album Oriented Rock format. Licensed to San Juan, Puerto Rico, it serves the Puerto Rico area. The station is currently owned by International Broadcasting Corporation.
On September 20, 2017, the station's transmitter site was heavily damaged by Hurricane Maria. One year later, The station returned to the air on December 11, 2018 as a simulcast of WQBS and the transmitter repairs are completed. On December 30, 2018 WRSJ rebrands as Activa 1520 AM and switched to a Spanish Tropical format. On May 11, 2020, the station switched to an Album Oriented Rock format and the current programming remains unchanged.