AMband.org

Representatives of most major radio broadcasting groups and the most active AM directional engineering consultants have been working on a proposal to the FCC to finalize a broad revision of the rules that specify how AM stations verify that their directional antennas are working properly.

A recent Radio World Online report details the group’s effort to come to a consensus on the new procedures. The general thrust of the process focuses on how Method of Moments modeling provides a better picture of the actual performance of an antenna system than the conventional field proof measurements, especially in areas of urban clutter. The vision includes a recognition that detuning structures that are a substantial distance from a directional antenna may be counterproductive in providing real interference protection for other stations.

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There are many towers that are 200 ft tall or less that have lights. If your tower is less than 200 feet above ground, check the program on the FCC website called Towair to see if the tower requires notification to the FAA under today’s standards. If not, you can ask to delete the lighting and marking requirements (more…)