Long-Distance AM Radio Reception At Risk?
Since 1920November 2, with the first broadcast of the world's first commercialradio station, KDKA-AM in Pittsburgh (although, the very firstbroadcast came from atop the Westinghouse plant in the suburb of EastPittsburgh), many AM radio stations have been heard hundreds of milesfrom their transmitters at night. However, the U.S.Federal Communications Commission (FCC) has proposed new rules whichcould cause great interference to the many powerful radio stationsthat broadcast for hundreds of miles between sunset and sunrise.
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http://spacewatchtower.blogspot.com/2016/04/long-distance-am-radio-reception-at-risk.html
  
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SpaceWatchtower: Long-Distance AM Radio Reception At Risk?
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2016: 75th Year of Pittsburgh's Buhl Planetarium Observatory

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Glenn A. Walsh, Project Director,
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