In the South (apologies for any repeats from previous posts):
WLKY--Louisville, KentuckY
WLEX--LEXington, Kentucky
WKYT--Lexington, KentuckY (Television)
WPSD--Paducah, Kentucky (Sun-Democrat, co-owned newspaper)
WMC--Memphis, Tennessee (Commercial, later Commercial Appeal, co-owned newspaper)
WKRN--(Knight-Ridder) Nashville, Tennessee (former owner)
WNPT---Nashville Public Television
WTVC--(TV) Chattanooga, Tennessee
WKPT--KingsPorT, Tennessee
KFSM--Fort SMith, Arkansas
KARK--Little Rock, ARKansas
KATV--(Little Rock) Arkansas TV
KTAL--(Shreveport, Louisiana) Texas-Arkansas-Louisiana
KSLA--Shreveport, LouisianA
KPLC--(Port of) Lake Charles, Louisiana
KLFY--LaFaYette, Louisiana
WBRZ--Baton Rouge, Louisiana (the "Z" stands for nothing in particular)
WJTV--Jackson, Mississippi TV
WTVA--Tupelo, Mississippi (Tennessee Valley Authority)
WLOX--BiLOXi, Mississippi
WHNT--HuNTsville, Alabama
WJSU--Anniston, Alabama (former owner Jacksonville State University)
WSFA--Montgomery, Alabama (stood for "South's Finest Airport" at inception)
WDHN--DotHaN, Alabama
WALA--Mobile, ALAbama
WMBB--Panama City, Florida (stands for "World's Most Beautiful Beaches")
WALB--ALBany, Georgia
WAGA--Atlanta, GeorgiA
WATL--ATLanta, Georgia
WAGT--AuGusta, Georgia Television
WMGT--Macon (or Middle), Georgia Television
WSWG--Valdosta, Georgia (SouthWest Georgia)
WSAV--SAVannah, Georgia
WSPA--SPArtanburg, South Carolina
WIS--Columbia, South Carolina (South Carolina was once known as the "Iodine State")
WCSC--Charleston, South Carolina
WCIV--Charleston IV (channel 4)
WPDE--Florence, South Carolina (stands for the Pee DeE region)
WCNC--Charlotte, North Carolina
WGHP--Greensboro-High Point, North Carolina (also Winston-Salem)
WRAL--RALeigh, North Carolina
WTVD--(TV) Durham, North Carolina
WITN--WashIngToN, North Carolina
WTVR--(TV) Richmond, Virginia
WRIC--RIChmond, Virginia (although strangely enough, licensed to Petersburg)
WAVY--Norfolk, Virginia (named for the large NAVY presence in the area)
WHRO--Hampton/Norfolk, Virginia (the Hampton ROads area)
I left out states and parts of states that are often considered marginal parts of the South, such as Texas, Oklahoma, peninsular Florida, West Virginia, and the Chesapeake region north of the James River in Virginia. I trust some of you can fill those in, if you like.