F1 Bahrain USA TV rating (Update)

UPDATE Last Sunday's Formula 1 Bahrain Grand Prix 0.48 TV rating equated to 630,000 viewers, making it NBCSN's most-watched F1 race since acquiring exclusive U.S. rights in 2013, according to the network, and the most-watched non-domestic F1 race on cable in eight years, since the 2007 Brazilian Grand Prix attracted 662,000 on SPEED.

04/20/15 F1 pulled a 0.48 rating at 10:30 AM ET on NBCSN for the Bahrain Grand Prix