WLRN-FM and WKWM are non-commercial, listener-supported, public radio stations for South Florida and the Florida Keys. WLRN-FM is licensed to Miami and WKWM is licensed to Marathon. They are owned by Miami-Dade County Public Schools. The offices and studios are on NE 15th Street in Miami.
WLRN-FM is a Class C1 station and WKWM is Class C3. WLRN-FM's transmitter is off SW 52nd Avenue in Pembroke Park. WKWM's transmitter is off Route A1A in Ramrod Key. Programming is also heard on four FM translators in South Florida. From Wikipedia