[TowerTalk] Need help estimating cable length of DXE 400 MAX
Randy Lake
randyn1kwf at gmail.com
Sun Jan 12 18:37:28 EST 2020
200' as the part# indicates ?
Maybe even math only, looks like roughly 200'
On Sun, Jan 12, 2020 at 6:25 PM Dan Maguire <danac6la at gmail.com> wrote:
> Jim Brown wrote:
> >>> BUT -- VF for ALL transmission lines varies with frequency ...
>
> For an illustrated example of determining line length along with
> frequency-dependent VF see section "Line Length via Quarter or
> Half-Wave Points" (about half-way down the page) here:
>
> https://ac6la.com/zpapndx1.html
>
> The little Freq-VF-Len-WL Conversions applet that is mentioned in the
> above link is available under TLDetails and AutoEZ as well as under
> Zplots. AutoEZ and Zplots require Excel, TLDetails does not. All are
> available for download from here:
>
> https://ac6la.com/
>
> Dan, AC6LA
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--
Randy Lake N1KWF
73 Gunn Rd.
Keene,NH
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