On the national front, however, overnight ratings for this year’s Derby broadcast on NBC-TV declined 7 percent compared with the 2010 show, according to NBC, despite aggressive promotional efforts by the network and its family of channels. The overnight rating for the race segment, from 6 p.m. Eastern to 7 p.m. Eastern, was a 9.7, with a 22 share, down from a 10.4 overnight rating last year. The overall rating for the three-hour broadcast was a 7.4, with a 17 share. Final ratings will be released Tuesday, NBC said.
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