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common mode current
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July 11th 12, 08:50 PM posted to rec.radio.amateur.antenna
Boomer[_2_]
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First recorded activity by RadioBanter: May 2012
Posts: 27
common mode current
On 7/11/2012 12:33 PM,
wrote:
Szczepan Bialek wrote:
U?ytkownik "Ian" napisa? w wiadomo?ci
...
"Szczepan Bialek" wrote in message
.. .
Your antennas are the diwire.
From the radiating wire the electrons jump off and penetrate into the
counterpoise wire.
It would be interesting to know if is any difference in behavior of the
different wires.
S*
Hello Szczepan.
"Diwire"? What's that?
In English the Ham dipole is the same as the two wires where one is
connected to the live conductor and the second to the bride.
There is no "Ham dipole", there are only dipoles.
There is no "live conductor" and there is no "bridge".
In Polish the Ham dipole consist of the radiator and counterpoise.
There is no "Ham dipole", there are only dipoles.
A dipole does not have a counterpoise.
So the correct name for such aerial is "diwire".
Pure babble.
"From the radiating wire the electrons jump off and penetrate into the
counterpoise wire."
Sounds like a rather short circuit. Not much chance of a QSO.
From Maxwell time all circuits are closed (displacemment current).
See at that:
http://educypedia.karadimov.info/lib...entstehung.gif
This picture has nothing to do with what is being discussed.
The short circuit would be if the radiator and the counterpoise are close to
itself.
Pure babble.
They are in such cofiguration in the transmitting line.
Pure babble.
Have you QSO with the line alone?
S*
How many antennas have you built in your lifetime that you continue to argue
with and ignore people that have build hundreds of antennas?
Hey it is not all babble. I had my bride hold one end of my dipole once
for a quick check of SWR. It sounds as if I would get out a lot better
if I had her up there holding one end all the time. The bad news is that
she said she was not going to help me any more with climbing trees and
fastening my antennas. She has done this for me for 50 years and now
suddenly she gets cold feet at going up in a little 90 foot fir tree.
What they say is true, "nothing good lasts forever".
She helps with antenna construction but will not climb a tree. I don't
know if this is legal grounds for divorce in Michigan. If it is, I could
show her the statute and ask her again about that 90 foot tree I want
her to climb. She started climbing trees for my antennas when she was 11
years old. How could she stop now????
Michael
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