Quote - Try with the"Enable Ground" in Atmosphere Unticked!

OK, so in experimenting with realistic sky, I find that the default inserts a sizable haze between the sky and ground. The two controls for it, Haze Altitude and Haze Density don't seem to work as I expected: A setting of 100% turns the whole sky to haze, which makes sense, but a setting of 0% still leaves a sizable haze between the sky and ground. What am I mising here? Jim