In late 2006 and early 2007, an ad hoc technical group of radio broadcasters, equipment manufacturers, and broadcast consulting engineers, acting collectively as the AM Directional Antenna Performance Verification Coalition (“Coalition”), convened to assess previous comments and to refresh the record in the Commission’s directional antenna proceeding. On May 4, 2007, the Coalition submitted recommendations to the Commission. The Coalition requests rule changes to permit applicants to use moment method computer modeling to demonstrate that AM directional antennas perform as authorized. The proposed rules also would permit use of moment method modeling to assess the effects of tower construction in proximity to AM antennas.
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