Radio Broadcasting at 500 kilowatts

Sixty years ago this month, the PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS (IRE) included a paper on station WLW in Cincinnati, OH, USA, which recently had begun broadcasting at the unprecedented output power of 500 kW. The WLW superpower transmitter was interesting technologically but it was also the center of a public policy debate which pitted an interest group favoring a few clear-channel, high-power stations against a rival group favoring a much greater number of lower power stations. Continue reading