[Antennaware] HF Colinear Dipoles

[Dave Cuthbert]

Karin, what simulation program are you using?

When modeling phased arrays I begin by using multiple current sources.
After that's working I add phasing lines with individual sources. Once
that's working I work on matching.

     Dave KH6AQ (formerly WX7G)

On Sun, Aug 25, 2019 at 10:57 AM Karin Johnson <karinann at tampabay.rr.com>
wrote:

> Hello Group:
>
> I would like to have a discussion off list about designing a 20 Meter
> Colinear dipole array.
>
> Right now I am trying some simulations in EZNEC and am referencing the Low
> Band DXing
>
> Book by ON4UN with regard to the Phasing of the two or multiple antennas.
>
> I'm having a bit of difficulty in replicating some the work ON4UN and the
> volume authors
>
> Did on the understanding of the Array Chapter number 11.
>
>
>
> Anyone who has tried building collinear antennas at HF??  I know that Tom
> W8JI has
>
> Done this on a massive scale and that is not what I am trying to accomplish
> here.
>
> Just two simple collinear dipoles fed either in phase or out of phase.
>
> The EZNEC simulations seem to blow up when the phasing and matching
> networks
> are
>
> Applied to the two antennas.
>
>
>
> Regards,
>
> Karin Anne Johnson  K3UU
>
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