I get 0% strength and quality from 11428, H, 27500, 2/3 and 11426 V 27500 A. I do not have 11426, H, 27500, 2/3 in my list.
I appreciate that that is my problem but I am still uncertain of the root cause: dish alignment, faulty LNB, faulty tuner, water in the cable....
I am hoping for some...