National Geographic Channel topped the list of the Harris Interactive 2009 EquiTrend Brand Tracking Study. The consumer-based study ranked Nat Geo as the highest in quality, as well as the most trusted cable network. The latest survey polled a sample of 24,446 American consumers ages 15 and older, and rated more than 1,200 consumer brands, which included 89 TV networks. See the press release for more information.