View Post ShopTalk | TVBiz Lockwood Broadcast Group Announces Plans for Knoxville Duopoly By Merrill Knox on Nov. 13, 2012 - 5:02 PM Lockwood Broadcast Group announced Tuesday that it will acquire WMAK in Knoxville from Daystar Television. When the deal closes, the station will form a duopoly with WBXX, Lockwood’s CW affiliate in Eastern Tennessee. Lockwo ...