A special ITU-R group added draft interference protection criteri...
A special ITU-R group added draft interference protection criteria for a possible recommendation on broadband over powerline. The exact protection criteria for certain bands below 72 MHz is yet to be determined. Other draft protection criteria limit the increase…
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in the total noise floor at less than 0.5 dB for certain amateur bands between 1.8 and 70 MHz. The same protection criteria are listed for the aeronautical mobile, land mobile, maritime mobile, radiolocation and fixed services, but the frequencies haven’t been determined. Protection criteria were also developed for radio astronomy for certain frequencies between 13.41 and 74.6 MHz. Future draft text will include examples of national regulation, technical and operational restrictions from Japan, Korea, Brazil, Germany, U.S. and possibly others.