A combination of both roof and wall mounted antennas are allowed on a building. The total area for all wall and roof mounted antennas and supporting structures combined shall not excel forty square feet for each exterior wall of the building or a total of 160 square feet per building per carrier. A maximum of four walls shall be occupied by cellular antennas. The total area is the sum of the area of each individual antenna face and the visible portion of the supporting structure as viewed when looking directly at the face of the building. Up to three carriers may utilize each building side. In no event will wall-mount antennas be allowed on the facade of buildings facing, or parallel to, public streets or highways. (Ord. 01-04 (part), 2001)