Have a look here, http://bytelive.com/wiki/tiki-index.php?page=Chorus+Digital+Cable+Frequencies+and+Channels
Apologies read it as do they supply those channels, Dont know myself so leave it to someone else, All the best.
Another one off the Christmas Card list then HiTeck: Has previous also!!: http://forums.afterdawn.com/thread_view.cfm/719932
As far as i know, if you don't subscribe to a provider they have no obligation to supply you with any channels. So you might have to take out the rabbits ears!