The multiple dishes would be required if the current setup which is being tested becomes a reality. But the testing is going somewhat slower than a Snail moves.
Currently, you might see some game in the EPG at the channel 9466-9467 area. There can only be one game at a time on this group. They would only be for NHL Center Ice or NBA League Pass or MLB Extra Innings.
Ocassionally, there is a Mavericks game on 9465. This game is being provided to Viewers of HDNET in the Dallas area only. It does timeshare space with the other game(s) on 9466 and 9467. These channel(s) are on 110w.