[Lowfer] PLC technology

Tue, 3 Jun 2003 22:26:10 -0400

HAR

Bob  K3DJC

On Tue, 03 Jun 2003 18:49:29 -0400 Dexter McIntyre W4DEX
<[email protected]> writes:
> Just trying to catch up on this broad band PLC stuff.  Does this 
> happen
> in our universe?:
> 
> "Portell uses microwave technology to pull data through the 
> magnetic
> field created by alternating current flowing through the electrical
> power grid. The United States electric power system operates at 60
> cycles a second or hertz. This means that the electric charges or
> current flowing in the system changes direction 60 times every 
> second.
> The AC is what causes the radiation of the magnetic field that 
> surrounds
> the electrical wires. Electric fields are easily shielded or 
> weakened by
> conductive objects but magnetic fields are not. Modulating signals 
> onto
> the magnetic field, instead of the electrical field, is what allows
> Portell to transmit signals through transformers, over high voltage
> electrical transmission (110KV) and distribution (11KV) lines, at 
> speeds
> up to 2.5 gigabits per second. Microwave signals propagated onto 
> the
> magnetic flux field can travel up to 2000 miles without 
> regeneration.
> The process writes telephone, radio, video, Internet and satellite 
> data
> within the magnetic wave by using proprietary software and 
> hardware.
> This allows the electrical grid to carry these communications 
> services
> at near light speed."
> 
> Above from:  http://personal.vsnl.com/lathish/digital_plcc3.html
> 
> Dex
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