I have three Dish Network dishes (a Dish 500 looking at 110 & 119; a single dish looking at 61.5; and another single dish looking at 148) that I'd like to feed to my 501. What switch or combination of switches will work? I was thinking of using two SW21 switches: one to combine the single dishes into one feed that is then fed into the second SW21 along with the DISH 500. Thanks in advance for any advice.:shrug: