The North American Broadcasters Association worries that the incr...
The North American Broadcasters Association worries that the increasing number of devices, including for broadband over power line, with radio frequency emissions in broadcasting frequency bands “might seriously jeopardize … the broadcasting service below 80 MHz, “often resulting in…
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a complete service disruption,” it said in a submission to an ITU-R meeting this week on spectrum engineering. The disruption “would prejudicially damage … small private broadcasters operating” a single affected medium frequency transmitter “as well as emergency and distress communications” for everyone in a country on long, medium, high and very high frequencies, the association said. Contrary to contentions that national governments not the ITU should deal with the matter, countries may introduce broadband over power line devices with no effective controls, it said. So the problem directly involves the ITU according to its constitution, the association said. It proposed adding that “electrical infrastructure wiring is not designed or installed for transmission of signals at radio frequencies” to the proposed draft text of an ITU-R recommendation. The association also proposed a list of limits on interference field-strength densities at the broadcast receiving system.