[HCDX] Worrying Development in Power Line Communications Technology

["Mike Terry" <michael.terry1@xxxxxxxxxx>]

From: http://www.rsgb.org/other/whatsnew.htm

There has been a worrying development in Power Line Communications, or
'PLC', technology. The RSGB understands that the German government has
recently approved the introduction of Power Line Communications systems,
provided they comply with a German regulation for wideband radio emissions
known as 'NB30'. These regulations have been strongly opposed by radio users
in Germany, but the German government has decided to "give modern
telecommunications technologies a chance".

The Society notes the approval of this German regulation with grave concern.
The emission levels in NB30 are much higher than the levels proposed by UK
HF radio users as a 'worst case' for acceptable interference from such
systems. Even these levels of emission can only be met by using low power
PLC systems of limited functionality. The interference potential of PLC is
clearly spelled out in the 'EMC' column in the April RadCom.

The RSGB is actively working with the other UK users of the HF radio
spectrum to produce objective and rational arguments for proper regulation
of PLC systems. However, it is clear that there is a European agenda to
provide cheap wideband data systems and that the technical arguments for
preservation of the HF spectrum appear to be ignored. The Society is
committed to fight for preservation of the radio spectrum as a valuable
natural resource, and is making its position known through all available
channels, both nationally and internationally.



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