No locals in HD
Why? That rule has been gone for quite some time.
It all depends on your surroundings and the install. If you're on a heavily wooded lot you're going to have issues. If the installer does a lousy job terminating cables and dialing in the signal you're going to have issues. If you have clean line of sight to the satellites and a good install then you'll probably only have signal issues when it is raining heavily.