Baltimore fans watching Ravens win

Baltimore Ravens fans cheer the screen in a Federal Hill bar as the Ravens beat the Patriots 28-13 (Algerina Perna/Baltimore Sun / January 21, 2013)

Sunday's AFC championship game between the Baltimore Ravens and New England Patriots was the most watched TV program since last year's Super Bowl.

A national audience of 47.7 million watched the Ravens beat the Patriots 28-13 to advance to the Super Bowl on Feb. 3, according to Nielsen's Fast National ratings.

The San Francisco 49ers victory over the Atlanta Falcons was seen by 42 million viewers Sunday on Fox.

The Ravens game was carried on CBS, which will also telecast the Super Bowl.