(a) In this section, 'amateur radio' means the use of a radio frequency spectrum for purposes of noncommercial exchange of messages, wireless experimentation, self–training, private recreation, radiosport, contesting, or emergency communication by a duly authorized person interested in radioelectric practice with a purely personal aim and without pecuniary interest. (b) This section applies to all counties and municipalities. (c) It is the intent of the General Assembly to codify the provisions of 47 C.F.R. § 97.15 concerning the Federal Communications Commission’s preemption of local ordinances regulating amateur radio station antenna structures. (d) A county or municipal ordinance regulating amateur radio station antenna structures: (1) may not preclude amateur radio communications; (2) shall reasonably accommodate amateur radio communications; and (3) shall constitute the minimum practicable regulation to accomplish the legitimate purpose of the ordinance.
Maryland Legal Code