[Premium-Rx] Broadband Over Power Lines

[Gary Follett]

I will see if I can record this and make a wav file of it so others can 
hear what it sounds like.

Gary

On Jan 16, 2004, at 8:39 PM, Brian D. Comer wrote:

> Is it truly over the whole HF spectrum? Current home plug and future
> planned in house BPL systems use HF spectrum from 4 to 28 MHz but do 
> not
> use the ham bands. Using a general coverage receiver or spectrum
> analyzer you would notice the interference absent from the ham bands. I
> have no experience of the BPL systems used over power company lines but
> I expect from what I know of new in house systems under development, 
> the
> interference would drop of very sharply at its band edges. There are
> some intermodulation products but they are very small as the modulation
> systems need good linearity.
>
> Brian KF6C
>
>
> -----Original Message-----
> From: premium-rx-bounces at ml.skirrow.org
> [mailto:premium-rx-bounces at ml.skirrow.org] On Behalf Of Gary Follett
> Sent: Sunday, January 11, 2004 6:15 PM
> To: Martin Colby
> Cc: Premium Receiver List
> Subject: Re: [Premium-Rx] Broadband Over Power Lines
>
> The info in the web page is all well and good but I am already
> contending with some mystery interference source here in Saint Paul and
> it is far worse than even the worst case scenario for BPL.
>
> What I get is something that sounds like digital spread spectrum. It
> covers all the HF bands with 20 over S9 signals that have duration in
> the range of 3 seconds with a period of 5 seconds. They occur about
> every 10 KHz and are not related to the old 15,525 junk that we
> formerly heard from TV sets. It makes anything resembling "weak signal"
> reception impossible.
>
> It is directional and about 10 times as strong to my north as to the
> south.
>
> Anyone have any ideas? I contacted Hollingsworth and he had heard
> nothing of it.
>
> Gary
>
>
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