I currently have a 2 lnb directv dish with the 2 rg6 runs to a 3x4 multiswitch. I am going to install a slimeline 5 lnb dish and add a HR22 receiver. Will I be able to use the 2 rg6 runs and 3x4 multiswitch with my present set-up, then just run 2 new rg6 runs to my HR22 ? I will be using the...