Purchased new pansat 4500... new 90 cm dish and lnbf.. cant pick up any signal strength using new dish/lnbf to pick up fta ... Hooked up old dish networkdish and circular lnb and can pick up several satelites with good reception and of course scanned tons of scrambled channels .. help give me a starting point why my new dish and linear lnbf cant pick up signals.. set both satelites galaxy 19....help thanks