the restriction approves the application, no further approval of the antenna may be required, unless there is a material change in the dimensions or structural integrity of the antenna. (e) Antennas that do not require prior approval A requirement in a private land use restriction for an amateur operator to obtain prior approval for the installation of an amateur station antenna may not be adopted or enforced with respect to any of the following types of amateur station antennas: (1) 1 meter or less in diameter or diagonal measurement An antenna for use by an amateur operator that is less than 1 meter in diameter or diagonal measurement, or having other measurements prescribed by the Commission. (2) Flagpole antennas A flagpole, capable of dual use as a flagpole and an amateur station antenna, not greater than 43 feet in height above ground. (3) Wire antennas Minimally obtrusive wire antennas, of a length necessary for the frequency of use intended. (4) Vertical antennas Vertical antennas, not to exceed 43 feet in height above ground, including collapsible whip and tilt-over antennas. (f) Rules of construction (1) Control of property For purposes of this section, property is subject to the control of an amateur operator if the amateur operator is an owner, lessee, or legal resident of the property. (2) Impairment of installation, maintenance, or operation For purposes of this section, a private land use restriction prohibits, restricts, or impairs the installation, maintenance, or operation of an amateur station antenna if the restriction— (A) unreasonably delays or prevents installation, maintenance, or operation of the antenna