I have an H21-200 receiver and need to add a new dish. In order to get HD I belive I need a SWM unit. Someone told me that all the SWM dishs require to be powered. Is this true? Where I need to put the dish is on a chimney near the peak of the house so power is not convenient. I only need one line to one tv. Any advice for those in the know?
Thank you in advance,
Philip
Thank you in advance,
Philip