OK, I did some tweaking without a meter and I think I made some good improvements. First I remeasured my signals inside the house:
110 = 53, 61, 53, 61
119 = 49, 64, 62, 68
129 = 40, 37, 40, 40
I then took a tv and my dish receiver to the roof and re-measured to see if I had any huge signal...