Newie please help 2dishes 1 receiver

[flash4]

I Have directv and want to get local channels i have got one dish at 75 the other at 101 and canget reception using one cable from one dish at a time.
what do i need to get? can i use single lnbs if i get a multiswitch? is there a 2x1 switch?

 

[boba]

I Have directv and want to get local channels i have got one dish at 75 the other at 101 and canget reception using one cable from one dish at a time.
what do i need to get? can i use single lnbs if i get a multiswitch? is there a 2x1 switch?

You need dual LNBs on both dishes and you need a 4X4 switch