[TowerTalk] Tips for Modelling swaged antenna tubing sections

[jimlux]

On 9/29/20 8:52 AM, Charles Morrison wrote:
> No. Outside.

So you have a small bump in diameter. Model it as such. Add a short 1 
segment wire that is the diameter of the swaged part.
realistically, if it's a "tiny" part of a wavelength, it's not going to 
make much difference.


> 
> On Tue, Sep 29, 2020 at 11:49 AM jimlux <jimlux at earthlink.net 
> <mailto:jimlux at earthlink.net>> wrote:
> 
>     On 9/29/20 8:31 AM, Charles Morrison wrote:
>      > Is there an accepted reduction percentage that is used ?
>      >    How do you model the swaged portion of tubing ?
>      >
>      > The published HyGain models do not account for it in a separate
>     tubing
>      > section, so no hints there.
> 
>     Isn't the shrunkdown part inside another element? If so, it's not in
>     the
>     circuit.
> 
> 
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