AM array. For purposes of implementing this section, an AM array, consisting of one or more tower units and supporting ground system which functions as one AM broadcasting antenna, shall be considered one tower. Measurements for setbacks and separation distances shall be measured from the outer perimeter of the towers included in the AM array. Additional tower units may be added within the perimeter of the AM array, subject to the review of the Planning Board to ensure that the additional units do not violate any provisions in the Borough of Ramsey's Zoning Code.