If you have 90s on 101 and you're getting those 40s on 99 and 103 I highly doubt that it's a tree since obviously 99 and 103 are right next to 101. So unless you're pointing at a hole in the trees and it's a small hole you aren't going to have tree problems.
Dish simply just needs to be properly aligned for the new sats.
Dish simply just needs to be properly aligned for the new sats.
