http://www.tvfool.com/?option=com_wr...dfafdc4d8bdba2
With HD stacker we were receiving 6,8,1O, 13,and 23. Recently 10 and 23 won't come in. We have antenna on roof facing approx 180 degrees. Have moved it in many angles. Raising antenna another couple feet. Thoughts on improvement and gaining back channels. Is rotator needed?
Have wine grad LNA200 boost xt digi hdtv preamp