Rock FM 91.9 is a music radio station serving the north of Johannesburg. Rock FM is operated under a low power commercial FM license from ICASA.
The signal has an average range of 5–10 km, covering the areas: Northriding, Johannesburg North, Sundowner, Boskruin, Randpark Ridge, Fourways and Randburg.
The power output (ERP) of Rock FM's signal is 1 Watt.
Rock FM 91.9 Wikipedia
24/7LSM Groups 8 – 10
Age Group 20 - 38
Middle to upper-middle class