E-mails have gone out to an undetermined number of US radio amateurs from the Utilities Technology Council (UTC), approving the stations’ intention to use 630 meters (472-479 kHz) and/or 2,200 meters (135.7-137.8 kHz).

“UTC has determined that your proposed Amateur Radio station would not operate within a horizontal distance of one kilometer from a transmission line that conducts a power line ca...

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