If your receiver is DP.
You'll need 2 dishes
Dish 500 with Twin dpp LNB
dish 300 or dish 500 with single/dual lnb.
Take one line from the single/dual lnb to the port in of the twin lnb. Connect your receiver to port one or port 2 of the twin lnb.
Dish 300 must be pointed to 148 or 61.5.
Dish 500 pointed to 110, 119.