Virgin Australia Supercars Championships are held in 14 locations around the land plus one meet in NZ, I believe. Pehaps the tv coverage is a money spinner.
It was impossible to find a channel among the satellite services overseas in Asia that aired programs with any real content, there were only two minute snatches in between advertorial and nothing substantial was found and that was from the major Western style programmers. It is difficult to imagine who would be happy if interested in what's going on and in entertainment. Sport is another matter. Nor were all the sat services trialed.