I've seen ribbon cable used as a "Norcal Doublet," but it's basically just
a QRP-capable ladder line fed dipole.
73 Sean WA1TE
On Thu, Apr 18, 2019 at 6:12 PM Kelly Taylor <ve4xt@mymts.net> wrote:
> It would be interesting to see whether cutting different strands of the
> ribbon cable different lengths had an appreciable effect on bandwidth.
>
> I suspect not, as the capacitance between conductors so close together may
> render the wire as one conductor the length of the longest strand.
>
> As for the Horse Fence, it seems that in ham radio, as with many things,
> one doesn’t necessarily need a good idea, one merely needs a new idea.
>
> 73, kelly, ve4xt
>
> Sent from my iPhone
>
> > On Apr 18, 2019, at 18:02, David Gilbert <xdavid@cis-broadband.com>
> wrote:
> >
> >
> > I'm pretty sure that has been tried in the past, but as far as I know
> you're not going to get much broadbanding out of a wider conductor (versus
> a single wire) unless that wider conductor is an appreciable portion of a
> wavelength in width. I used EZNEC+ to compare a 75m Inverted-V with a wire
> diameter of 0.1 inch with one having a wire diameter of 2 inches
> (cylindrical, not ribbon) and the 2:1 SWR bandwidth changed from 150 KHz to
> 200 KHz. I assume the ribbon would give somewhat less benefit than that,
> but how much less I don't know.
> >
> > 73,
> > Dave AB7E
> >
> >
> >
> >> On 4/18/2019 2:45 PM, Joe Partlow wrote:
> >> Has anyone ever considered using computer ribbon cable to make a
> broadband dipole?
> >>
> >
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