Emergency alert system experts called for an AM...
Emergency alert system experts called for an AM band “resurrection” as part of the FCC’s AM revitalization effort. The commission should enforce Part 15 of FCC rules for the AM band, which governs unlicensed communication transmissions, the Broadcast Warning Working…
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Group said in comments in docket 13-249 (http://bit.ly/1grK80S). Stations that previously had “listenable” signals “have seen their audiences gradually stolen by all types of electronic noise that are the result of the commission not treating the intentional and unintentional radiators of that noise as Part 15 devices and applying strong enforcement to the offenders,” it said. Continued allowance of technologies like broadband Internet over power lines contributes to the problem, it said. Part 15 should be amended to make it clear that unintentional radiators, like long-wire antennas used to broadcast harmonic noise based on high tension power distribution, are held accountable for the harmful interference caused to the AM band, BWWG said. The group also urged the FCC to take action to end overmodulation of AM transmitter carriers, which “creates harmful interference to adjacent channels."