Tv troubles,info needed?

If you're getting a ghosting effect then that suggests that you're tuned into the ogue transmission - this is caused by the signal reflecting from nearby buildings/hills, etc. You're ariel will probably be pointing the right way for digital reception though when you're getting the best ogue reception, since the transmitters are usually in the same location. Check your manual on how to use the built in Freeview reciever.