I would like to peak the dish. I have never touched the sat dish before so I am a total newb at this. I have a Sl3 dish. I am getting 90s - 100 on 101. However, on 99 and 103 and am getting anywhere from 75 - 85 (more towards the lower number than higher.) . Do these number merit my attempt at peaking the dish? If so, is it difficult to do myself and How's it done or should i call D*. Thanks.