Complex sentence: CFFB is a Canadian radio station, broadcasting at 1230 AM and operates a nested FM rebroadcasting transmitter at 91.1 MHz in Iqaluit, Nunavut.
Split into simpler sentences: CFFB is a Canadian radio station, broadcasting at 1230 AM. It operates a nested FM rebroadcasting transmitter at 91.1 MHz in Iqaluit, Nunavut.