I'm in Michigan and after the installer left I had readings of 77, 76 and 80 on the three 110 transponders. Readings were in the 80's and 90's on 101 and 119.
I decided to see what I could do. I knew they could be better because it was my third dish. I ended up with readings of about 85 on all three of the 110 transponders. 101 and 119 are still up in the high 80's, low 90's.
It was suggested I set my tilt as suggested and leave it there, then adjust azimuth and elevation for maximun signal on 101. Then I was told to work with azimuth and elevation for maximum readings on all three.
Your pole must be plumb for proper alignment.