Macquarie Regional Radio

In 2007, Southern Cross Broadcasting merged with Macquarie Media Group. Southern Cross own the Network Ten affiliate television channels in Queensland requiring them to sell four stations - 4LM Mount Isa, 4HI Emerald, 4ZR Roma, 4SB Kingaroy. They were bought by Smart Radio Group, the owner of Charleville's Triple C FM and 4VL.

In 2011, Macquarie Radio Network bought Smart Radio Group. The six stations are the and operated as a subsidiary network from the metropolitan networks.

to be sold following Macquarie Radio Network and Fairfax Media merger