And alot of times it is possible to hook up rg59 and your sign levels seem to be fine. The thing to Look ahead to is the transponders that trip on the upper frequencies (the high even transponders if i remember suitable)... thats in which you will start obtaining loss https://docs.google.com/drawings/d/17T7mHD0uZlSTa5Z4PkzXDq9-azowUMdALIu0bmRMUxs/edit?usp=sharing