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[Antennaware] Antenna wire in EZNEC

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Subject: [Antennaware] Antenna wire in EZNEC
From: "Andrew Ikin" <>
Reply-to: Andrew Ikin <>
Date: Tue, 6 May 2008 20:09:07 +0100
List-post: <">>
Hello Guys,

I have a model for loop antenna.  I have noticed that if I increase the wire 
diam. from 0.5mm to say 12mm for a 20m circumfrence wire loop antenna the 
1.1MHz gain goes up from -28dBi to -13dBi. Increasing the diam. again to 100mm 
the gain is now -5dBi.

Is the increase in gain due to lower wire resistance or a reduction in the loop 
inductance or both?

Can I use say 300 Ohm ribbon ( wires in parallel ) to get the same results as 
12mm diam wire. Also can I use two wires spaced 100mm to simulate a 100mm diam 


Andrew G8LUG
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