ABC Affiliates | CBS Affiliates | ShopTalk WBBJ Adds CBS Programming, Newscasts On Digital Subchannel By Merrill Knox on Dec. 30, 2011 - 10:26 AM Starting on Sunday, Jackson, TN ABC-affiliate WBBJ will broadcast CBS programming on a digital subchannel. The subchannel, which currently is a live weather radar, will expand to broadcast CBS and MeTV programming, as well as new ...