In the year 2002 a PLC network had been installed at the Swiss city of Fribourg. With the goal to find out, if and to what extend radio services in the short wave range would be disturbed, the Swiss Federal Office of Communication (OFCOM) accomplished extensive measurements on site. The already existent man made noise at urban and rural areas has been analysed and accounted for as well.
The statistical interpretation of measurement data shows, that PLC interference below 10 MHz is of little impact at urban areas because of already existent interference due to other sources. However at frequencies above 10MHz PLC interference clearly is the predominant cause for interference. Furthermore it has been shown, that the limit of the german standard NB30 is exceeded at all frequencies of interest between 2.4 MHz and 25.4 MHz at urban areas.
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Last modification 05.06.2012