WRDA (105.7 FM) – branded Radio 105.7 – is a commercial radio station licensed to Canton, Georgia, broadcasting an alternative rock format. Owned by iHeartMedia, Inc., WRDA serves the Atlanta metropolitan area. The WRDA studios are located in Atlanta, while the station transmitter resides in the nearby suburb of Marietta. Besides a standard analog transmission, WRDA broadcasts over three HD Radio channels, and is available online via iHeartRadio. WRDA also simulcasts over sister station WRDG (96.7 FM), and repeats over the 32.25 digital subchannel of Atlanta television station WANN-CD (29 UHF, 32 PSIP).