1. Amateur Radio Station Operators/Receive Only Antennas. This ordinance shall not govern any tower, or the installation of any antenna, that is under the maximum building height of the zoning district in which such structure is located and which is owned and operated by a federally-licensed amateur radio station operator or is used exclusively for receive only operations.

2. Preexisting Towers or Antennas. Legally established preexisting towers and preexisting antennas shall not be required to meet the requirements of this ordinance, other than the requirements of Sections 17.04(F) & (G).

3. AM Array. For purposes of implementing this ordinance, 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 by right.