NBC and TNT will televise their entire portion of the 2005 NASCAR racing schedule in 1080i HDTV, beginning with the NASCAR Busch Series and NASCAR Nextel Cup during the weekend of July 1 at Daytona Beach.
NBC debuted its NASCAR HD coverage at last February's Daytona 500 and TNT began its HD coverage of NASCAR in September. All the main cameras used for NBC and TNT's coverage, as well as the production truck, will be native HD. The feed will be transmitted in HD and formatted for 4:3 HD and standard definition. Audio will be in Dolby Digital 5.1.
