sentences:  Rather than introduce a new digital service, Ten decided to relaunch Ten HD as a sports-only channel, to be named One HD (now 10 Bold), and use its standard definition simulcast on channel 11 to broadcast a standard definition simulcast called One SD.Before One HD's official launch, most breakaway programming shown on Ten HD ceased from 1 January 2009, and only showed a high-definition broadcast of the existing Ten digital service, along with a few sports-based breakaway programs.Ten HD officially shut down on 25 March 2009, with One HD (now 10 Bold) launching the following day.