Cable information community (CNN) is a U. S. cable information channel based in 1980 by Ted Turner. Upon its launch, CNN was the primary channel to offer 24-hour tv information coverage, and the primary all- information tv channel within america. whereas the information channel has quite a few affiliates, CNN primarily broadcasts from its headquarters on the CNN heart in Atlanta, the Time Warner heart in the big apple City, and studios in Washington, D. C. , and l. a.. CNN is owned by father or mother firm Time Warner, and the U. S. information channel is a division of the Turner Broadcasting System. CNN is usually known as CNN/U. S. to differentiate the American channel from its worldwide counterpart, CNN worldwide. As of August 2010, CNN is accessible in over one hundred million U. S. households. Broadcast protection extends to over 890,000 American resort rooms, and the U. S broadcast can additionally be proven in Canada. Globally, CNN programming airs by means of CNN International, which might be seen by viewers in over 212 international locations and territories. beginning late 2010, the home model CNN/U. S. , is on the market in excessive definition to viewers in Japan beneath the identify CNN HD.