I have a Directv Slimline AU9 dish. However, I have no clue if it is the 3 LNB or 5 LNB. How do I tell? ........I know, I know.....I did say I'm a newb.
I have two receivers hooked up currently and my wife wants a third one put in the basement. So, if I have the 3 LNB type do I need a...