Yes the dish has to be ABSOLUTLY straight and level can not stress that enough. We have bubbles on our tripod stand,,You are trying to hit a satellite about the size of a Volkswagen 22,300 miles up.The slightest bit off on this end means miles and miles on the other end. Dave is right, if you are straight and level and the dish is set at the proper elevation, set your azimuth and most of the time you are right on the signal.
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