Re: [TowerTalk] snow static, Quad v. Yagi

[Jim Rhodes <k0xu@iowadsl.net>]

Tom, if they cannot discharge to air, what exactly is corona?

At 03:25 PM 9/1/2004, Tom Rauch wrote:
> > It's not charging from the air, it's charging from the
> particles, which DO
> > have a potential relative to their surroundings (i.e. the
> air).
>
> I understand all that Jim. We are just going to have to
> disagree.
>
> I don't believe dust can accumulate enough charge in a wire
> with even very small amounts of leakage to earth to have
> corona right back out to the very media supporting the
> particles that are charging it. The fields don't want to
> work that way. If they did, the dust or charges in the dust
> would soon be repelled from the area of the wire and the
> charge transfer into the wire would stop.
>
> The conductors arc or leak to earth if insulated from earth.
>
> The conductors leak or arc to the sky if the clouds have
> high enough charge.
>
> This is why grounding masts or antennas does not stop
> corona. If anything, it only makes it worse. This is why a
> floating conductor with almost perfect insulation will
> eventually reach enough potential to flash over to ground,
> even when it has no corona.
>
> 73 Tom
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
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Jim Rhodes K0XU
jim@rhodesend.net

Experience is the thing you have left when everything else is gone.


_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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