High Quality Content by WIKIPEDIA articles! WNNX (100.5 FM, "Rock 100.5") is an Atlanta radio station that is owned and operated by Cumulus Media. The station broadcasts from the same building as its other Cumulus Atlanta sister stations WWWQ ("Q100"), W250BC ("Q100 20 @ 97-9"), WKHX ("Kicks 101-5"), and 99X in Sandy Springs near the Georgia Highway 400 and Interstate 285 interchange. WNNX`s main transmitter is located in downtown Atlanta atop the Westin Peachtree Plaza Hotel, the skyscraper well known for its reflective glass cylinder shape. The station airs a classic rock format.