I had first tried 3D to improve the satellite reception with a Hama Lypsi on my cheap bowl, which hardly had success as a deciduous tree was too little signal for the LNB left. Then I decided after a recommendation from Dr. Dish (Christian Maas) for DAA 850, and my expectations were far exceeded. Alignment was a test of patience, since the mirror is well worked so precise that only spot-on got a signal to my STB. But then ... consistently a green signal ... even only fell when hitherto empfangsheiklen channel Super RTL and the following storm of the signal, when the supercell hung exactly between the Astra and my bowl. Bad weather reserve was previously NULL exists ... now bothers me even a thunderstorm only briefly ...