1934-1958

1958-1963

1963-1965

1965-1972

1972-1980

1980-1984

1984-1986

1986-1989

1989-1993

1993-1999

1999-2008

2008-2017

2017-present

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Branding history

  • 900: The Score (2000-present)

Format history

  • Contemporary hit radio (1958-2000)
  • Sports (2000-present)

Affiliation history

  • Mutual Broadcasting System (1934-1999)
  • Fox Sports Radio (2000-present)

Ownership history

  • Independent (1934-1959)
  • RKO General (1959-1989)
  • Clear Channel Media and Entertainment (1989-2014)
  • iHeartMedia (2014-present)
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