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Old March 27th 06, 11:46 PM posted to rec.radio.amateur.antenna
Reg Edwards
 
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Default Current through coils

I know how EZNEC calculates propagation from straight wires. It does
it very well.

But do you know how it calculates the inductance of coils?

How long has it been able to do this?
----
Reg
=========================================



"Cecil Moore" wrote in message
t...
Reg Edwards wrote:
How does EZNEC make its calculations? If you don't know you are
placing your faith in a mirage.


It uses the Moment Method (MM) sometimes called the Method
Of Moments (MOM). It's described in Kraus and Balanis
and credited to Roger Harrington in the 1960's.

Each segment in EZNEC is assumed to have constant current.
In the aforementioned 8-sided coil, there are 200 segments,
each with an assumed constant current. The standing wave
current in each segment depends upon where it is inserted
in the standing wave environment as shown at:

http://www.qsl.net/w5dxp/1WLDIP.EZ
--
73, Cecil http://www.qsl.net/w5dxp



 
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