Good morning martin, > Any obstacles in the way, like trees or so? There is something that?s called > Fresnel zone, which can be painful. It is possible that some trees are in the way, but I'd say the house is far enough away, and the dish is high enough. And would an obstacle create problems only on some channels and not others? > Any oscillating frequencies in your PC that may interfere the ~1GHz ZF > signal? Well, it is regular PC with most stuff on board, except graphics card and the three DVB-S boards. -- Best regards Peer Oliver Schmidt PGP Key ID: 0x83E1C2EA