hey guys any help on what size dish i need to get for my pansat 2500a come to find out that my 18 inch dish dont get good singles some one told me that i should get 30 inch dish with lnbf what im looking for is the fta and what is the diffrents when i look at lybsat.com i notice they have a c band and c/ku band and a ku band there is some channels that i want to get on the c/ku band any help here please.