In my experience, this is mostly a function of location. With a clear view of the sky, I've found it to be rock solid. It is extremely sensitive to obstruction

In my experience, this is mostly a function of location. With a clear view of the sky, I've found it to be rock solid. It is extremely sensitive to obstructions. A small tree branch with a handful of leaves on it will cause intermittent dropouts if it is between your terminal and a spacecraft.