chuck wrote:
Cecil Moore wrote:
But wouldn't
a ball on top reduce the possibility of corona just like it does
on other vertical antennas?

It would reduce the possibility of corona if it has a greater radius of
curvature than whatever it replaced.

So it would seem possible to have arcing at the coax
connector without having corona on the antenna.
--
73, Cecil, http://www.qsl.net/w5dxp

Richard Clark wrote:
On Wed, 28 Jun 2006 17:08:03 -0700, Jim Kelley
wrote:


Calculate the amount of charge


Hi Jim,

3.3 µC (21 tera-electrons) ±3dB

73's
Richard Clark, KB7QHC

Hi Richard,

:-) Now bracket the high side.

jk

Cecil Moore wrote:
chuck wrote:
Cecil Moore wrote:
But wouldn't
a ball on top reduce the possibility of corona just like it does
on other vertical antennas?

It would reduce the possibility of corona if it has a greater radius
of curvature than whatever it replaced.

So it would seem possible to have arcing at the coax
connector without having corona on the antenna.

Sure. They're not mutually exclusive events.

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On Thu, 29 Jun 2006 11:06:52 -0700, Jim Kelley
wrote:
Calculate the amount of charge

3.3 µC (21 tera-electrons) ±3dB

:-) Now bracket the high side.

Hi Jim,

Let's just work with one value. It's probably the only specific
answer you will get. Too many are constipated trying to specify STP,
the radius of the point, the source of the charge, yadda-yadda-yadda,
before moving their "guess."

73's
Richard Clark, KB7QHC