Topband: An oddball question about a BOG.

[Mike Waters]

The only way to predict the RDF and pattern is by modeling it. I don't know
of anyone who has done this. I have a few of my .ez Beverage models in
w0btu.com/files/ as a starting point, but I don't think that I uploaded
everything there.

There are free antenna modeling programs out there. I have only ever used
EZNEC. Maybe someone can suggest something.

73, Mike
www.w0btu.com

On Sat, Aug 24, 2019, 12:05 PM Mikek <amdx at knology.net> wrote:

> > But what did you mean by "proper pattern"?
>
> I should have said, the best pattern that adjusting the Inductive loads
> will provide.
>
> Yes, I understand the pattern changes with frequency. What I want to do is
> inductively load the antenna, so it will have the same pattern as if we
> increased the length.
>
> Say I have a BOG with a length that is ideal to give me the best RDF
> number available at say 1.8Mhz.
>   Now, I move down to 1MHz, and I inductively load it, can I get that same
> RDF number?
> ie. can I reduce the VF to make it act like the correct length?
>   What are the caveats?
>
>                                    Thanks,  Mikek
>