"tom" napisal w wiadomosci
. net...
On 6/22/2012 10:20 AM, Szczepan Bialek wrote:
"Sal M. napisa³ w wiadomo¶ci
...


(Last year, I used a 20m dipole at 30 feet, operating out of my van.
Everything floated above ground without incident and many QSOs.)

I value your opiniion.

In Marconi opinion:
http://www.nobelprize.org/nobel_priz...ni-lecture.pdf

"By "connected to earth" I do not necessarily mean an ordinary metallic
connection as used for ordinary wire telegraphs.
The earth wire may have a condenser in series with it, or it may be
connected to what is really equivalent, a capacity area placed close to
the
surface
of the ground (Fig. 4).
It is now perfectly well known that a condenser, if large enough, does
not
prevent the passage of high frequency oscillations, and therefore in
these
cases
the earth is for all practical purposes connected to the antennae."


And Wiki:
"The use of the term ground (or earth) is so common in electrical and
electronics applications that circuits in portable electronic devices
such
as cell phones and media players as well as circuits in vehicles such as
ships, aircraft, and spacecraft may be spoken of as having a "ground"
connection without any actual connection to the Earth. This is usually a
large conductor attached to one side of the power supply (such as the
"ground plane" on a printed circuit board) which serves as the common
return
path for current from many different components in the circuit." From:
http://en.wikipedia.org/wiki/Ground_(electricity)
S*


And he changes his argument again. Because now the electrons cannot flow
to ground. Which blows his whole "antennas radiate electrons" argument.

All time the electrons flow to or from the ground.
"Let me answer some of your questions. Capacitors loose their charge both
through the insulation between the plates and through the air surrounding
the capacitor. The charge is a surplus of electrons on one plate and a
rarefaction of electrons on the other. Where the electrons are compacted
(the negative plate) the electrons tend to push each other off. Where there
is a deficit of electrons (the positive plate) electrons are attracted from
other sources - air, the positive plate. Both of these actions tend to
decrease the potential difference between the plates... to discharge the
capacitor. From: http://www.newton.dep.anl.gov/askasc...0/phy00900.htm


Troll or moron? You decide.

" Variable capacitors with their plates open to the atmosphere were commonly
used in radio tuning circuits."
If you have such try to measure "the Capacitor charge holding" and decide.
S*