Wat is that in Phoenix.
The same thing we answered your question in your topic “Radar Clutter” in SFO.
Time for your geography lesson: The circles are not located in or near Phoenix but rather in the Tucson/Davis-Monthan AFB area.
My bad.
Also meant Arizona but my fingers thought otherwise.
Thats smog!
The resemblance between this picture and the initial posting is amazing!