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Re: [Antennaware] modelling an interlaced 3 bander

Subject: Re: [Antennaware] modelling an interlaced 3 bander
Date: Thu, 22 Dec 2005 12:13:22 EST
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My experiences using EZNEC have shown that a problem with modelling a 
commercial antenna of this type is the need to use monotaper element electrical 
equivalents for the tapered physical elements.  Care must also be given to 
that the segment lengths for the elements are as constant as possible.

I believe that the Leeson tapered element compensation is running under the 
hood of EZNEC, and that it is only valid for elements that have a few percent 
delta from resonance of the desired frequency.  What this means is that a 10m 
or 15m tapered element will not model properly when the desired frequency is 
20m.  To see the true effect of the elements of the "other" bands on the band 
that you are running means you need to use the monotaper electrical equivalents 
of those elements.

73 es GL,
Charlie  N9CO
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