If I recall, it was 15 watts to a mobile antenna parked on the curb outside the
house (~12 meters from the house; I have been there myself). 100 watts parked
on the curb 1/2 mile away had the same effect.
See the AMRAD comments at http://www.arrl.org/~ehare/bpl/hyperlinks.html
73,
Ed Hare, W1RFI
ARRL Lab
225 Main St
Newington, CT 06111
Tel: 860-594-0318
Internet: w1rfi@arrl.org
Web: http://www.arrl.org/tis
> -----Original Message-----
> From: Tom Rauch [mailto:w8ji@contesting.com]
> Sent: Friday, January 09, 2004 11:42 AM
> To: Hare,Ed, W1RFI; rfi@contesting.com
> Subject: Re: [RFI] I wish this guy had interviewed Ed Hare also...
>
>
> Ed,
>
> Wasn't that 15 watts from a MOBILE antenna on 75 meters at 1/2 mile
> distance? I seem to recall reading something like that.
>
> 73, Tom W8JI
>
> ----- Original Message -----
> From: "Hare,Ed, W1RFI" <w1rfi@arrl.org>
> To: <rfi@contesting.com>
> Sent: Friday, January 09, 2004 11:18 AM
> Subject: RE: [RFI] I wish this guy had interviewed Ed Hare also...
>
>
> The AMRAD filing documented interference to a HomePlug BPL system in
> Potomac, MD. 15 watts brought the system down.
>
> 73,
> Ed Hare, W1RFI
> ARRL Lab
> 225 Main St
> Newington, CT 06111
> Tel: 860-594-0318
> Internet: w1rfi@arrl.org
> Web: http://www.arrl.org/tis
>
>
>
> > -----Original Message-----
> > From: rfi-bounces@contesting.com
> [mailto:rfi-bounces@contesting.com]On
> > Behalf Of Michael Tope
> > Sent: Thursday, January 08, 2004 12:33 PM
> > To: k1ttt@arrl.net; rfi@contesting.com
> > Subject: Re: [RFI] I wish this guy had interviewed Ed Hare also...
> >
> >
> > Hi Dave,
> >
> > My understanding of the Home Plug standard was that it
> notched the ham
> > bands by 30dB (after prodding by ARRL), so there may
> actually be some
> > truth to the first part of the citation. In any case, it was
> > the second
> > paragraph
> > of the citation that I was referring to:
> >
> > >"[Interference] just doesn't exist," Birnbaum said. "They
> > based a lot of
> > > their assumptions on outdated noise flow analysis."
> >
> > "Outdated noise flow analysis" - what the hell is that??
> > Sure sounds like
> > bullsh#% to me :):)
> >
> > BTW, I am pretty sure the homeplug hardware does their
> > hamband notching
> > in the digital backend of the receiver, so it most likely
> > that it has the
> > same
> > susceptibility to RF overload from nearby transmitters as the
> > un-notched
> > systems (e.g. you'll be able to crash it with a 50 watt mobile).
> >
> > 73 de Mike, W4EF.........................
> >
> > ----- Original Message -----
> > From: <k1ttt@arrl.net>
> > To: <rfi@contesting.com>
> > Sent: Thursday, January 08, 2004 8:53 AM
> > Subject: Re: [RFI] I wish this guy had interviewed Ed Hare also...
> >
> >
> > > > Here is my favorite quote, Jason:
> > > >>But Current Technologies LLC, which offers BPL service in
> > the Cincinnati
> > > > and Rockville, >Md., areas, can't find interference
> caused by its
> > system,
> > > > said Jay Birnbaum, the company's >vice president and
> > general counsel.
> > > > Current Technologies uses a technology standard >called
> HomePlug,
> > designed
> > > > to not interfere with other radio signals.
> > > >
> > >
> > > as i understand the homeplug stuff it adapts the channels
> > it uses to avoid
> > > interference to itself. in doing so it would avoid
> > frequencies being used
> > > locally by other services.... being used to transmit that
> > is. so if you
> > > are listening on a frequency it can't avoid interfering
> > with you unless
> > > you are listening to something else that is strong enough
> > to interfer with
> > > the homeplug communications.
> > >
> > >
> > > _______________________________________________
> > > RFI mailing list
> > > RFI@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/rfi
> > >
> >
> >
> >
> > _______________________________________________
> > RFI mailing list
> > RFI@contesting.com
> > http://lists.contesting.com/mailman/listinfo/rfi
> >
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