What does PRB-1 require of state and local regulations affecting amateur radio antenna size and structures?
No limitations may be placed on antenna size or placement
Reasonable accommodations of amateur radio must be made✓Correct answer
Such structures must be permitted when use for emergency communications can be demonstrated
Such structures must be permitted if certified by a registered professional engineer
Explanation
PRB-1 requires state and local regulation to reasonably accommodate amateur service communications and to be the minimum practicable regulation for the authority's legitimate purpose. It does not forbid all limits on size or placement, and it does not condition antennas on demonstrating emergency use or on an engineer's certification.