Seven Sydney

1956–1957


ATN-7 began transmission on 2 December 1956.

1968–1969


The Circle 7 logo was first used by Seven's Sydney station ATN-7 from 1968 to 1969. This design is still used by many ABC owned and operated affiliates in the U.S.

1974–1989


ATN-7 adopted this logo at the start of the colour test transmissions on 19 October 1974.