1157.13 RADIO ANTENNAS.
   The main supporting structure of antennas for the transmission and/or reception of radio, television or other electromagnetic radiation in any residential district shall be located behind the line described by the front of the primary dwelling structure, or the front setback line, whichever is greater, and shall have a minimum setback of 10 feet from any property line, provided that structures more than 40 feet in height above grade shall have a minimum setback of 10 feet plus one additional foot for every two feet in height above 40 feet. Supporting structures directly attached to the primary dwelling may have a side or rear setback of five feet, provided they do not exceed 40 feet in height above grade. The height of such structures, including antennas and appurtenances, shall not exceed 60 feet above grade; unless approved by the Planning Commission. All antenna elements, supporting structures, guy wires, and all other physical portions of the antenna system shall remain within the property boundary lines. 
(1969 Code 150.213)