WSB signed on September 29, 1948 as NBC
primary/ABC secondary (until 1951, when WLTV,
now WXIA, signed on and became Atlanta's ABC
affiliate). WAGA signed on March 8, 1949 as
CBS primary/DuMont secondary, which it remained
until DuMont folded in 1955.
WSB switched to ABC September 1, 1980; WAGA
to Fox December 12, 1994.