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<H1>Hi-speed Power Line Adaptors</H1>
<P><FONT face=Tahoma>It appears that new <STRONG>Power Line Adaptors</STRONG>
(PLA, PLT), used for Home Networking, can cause interference right across the
spectrum up to as high as 370 MHz.</FONT></P>
<P><FONT face=Tahoma>Results from tests carried out on these devices are now
available on the web. It appears <STRONG>the interference from these devices
covers the Amateur Radio 50, 70 and 144 MHz bands as well as the DAB and VHF FM
</STRONG>Broadcast bands.</FONT></P>
<P><FONT face=Tahoma>The results of the Hi-Speed Home Networking Adaptor tests
can be seen at:<BR></FONT><A href="http://plt.g7cnf.me.uk/belkin.htm"
target=_blank><FONT face=Tahoma>http://plt.g7cnf.me.uk/belkin.htm</FONT></A></P>
<P><FONT face=Tahoma>Research carried out at Queen Mary, <STRONG>University of
London indicates it is possible to use frequencies up to 600 MHz to transmit
Video</STRONG> <STRONG>or Broadband Internet around the household
mains</STRONG>:<BR></FONT><A
href="http://gow.epsrc.ac.uk/ViewGrant.aspx?GrantRef=EP/D033950/1"
target=_blank><FONT
face=Tahoma>http://gow.epsrc.ac.uk/ViewGrant.aspx?GrantRef=EP/D033950/1</FONT></A></P>
<P><FONT face=Tahoma>PLT; PowerLine Telecommunications<BR></FONT><A
href="http://plt.g7cnf.me.uk/" target=_blank><FONT
face=Tahoma>http://plt.g7cnf.me.uk/</FONT></A></P>
<P><FONT face=Tahoma>UKQRM is a group fighting this radio
interference<BR></FONT><A href="http://www.ukqrm.org/" target=_blank><FONT
face=Tahoma>http://www.ukqrm.org/</FONT></A></P>
<P><FONT face=Tahoma>UKQRM Yahoo Group<BR></FONT><A
href="http://tech.groups.yahoo.com/group/UKQRM/" target=_blank><FONT
face=Tahoma>http://tech.groups.yahoo.com/group/UKQRM/</FONT></A></P>
<P><FONT face=Tahoma>How to report PLT / BPL radio interference<BR></FONT><A
href="http://www.mikeandsniffy.co.uk/UKQRM/how2.html" target=_blank><FONT
face=Tahoma>http://www.mikeandsniffy.co.uk/UKQRM/how2.html</FONT></A><BR></P></BODY></HTML>