Re: Powerline modem
From: Ron Hunter (rphunter_at_charter.net)
Date: 02/09/05
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Date: Wed, 09 Feb 2005 01:04:46 -0600
John wrote:
> Don Lancaster wrote:
>
>
>>I guess I was involved in the earliest of powerline carrier
>>communications. Back in 1961 at Femco.
>>
>>It did not work then and it will not work now.
>>
>>Ferinstance, an ancient Diablo 630 printer has such a good noise filter
>>that it takes out any X-10 device within 200 feet.
>
>
> Powerline communications doesn't work in the 21st century? Really? Gosh
> somebody forgot to tell these people:
> http://www.powerlinecommunications.net/whatispowerline.htm
>
> PPL has had running broadband Internet over powerline services in select
> markets for a few years now. Some other utilties have similar programs.
> http://www.thestreet.com/_tsclsii/tech/themarker/10045487.html
>
> Utilities not only have another revenue stream and an efficient Internet
> distribution method, but also gain the benefit of a communications channel
> to/from their meters.
>
> The ARRL (amateur radio group) has spoken out against some powerline
> communications, out of fears that it will cause interference to them.
>
The main bar to this type of information distribution is the need to
bridge transformers along the entire data path. This adds cost (and
service delaying infrastructure) to what would otherwise be an already
'in place' data path. It certainly has advantages in simplicity over
other services.
-- Ron Hunter rphunter@charter.net
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