Check the recent posts by VE6WZ, I believe it is.
He has several videos and links that will help you.
Ray,
N6VR
On Fri, Aug 23, 2019, 5:55 AM Artek Manuals <Manuals@artekmanuals.com>
wrote:
> I am in the process of experimenting with an RBOG .. I have seen in
> several places that BOGS are "self-terminating" and as such have an
> optimum length (on 160M) of something on the order of 200-250 feet.
> Longer BOGs supposedly have degraded directional properties for lengths
> shorter and longer than this.
>
> How important is matching the feed point impedance? I am led to believe
> that this can vary widely with BOG "installation". Main installation
> Factors being; soil conductivity and ground placement ( in ground, on
> ground. on grass, etc). re there other factors to consider?
>
> How would I go about "measuring" (not modeling !!) the self terminating
> length for my given conditions. N/S I am limited to 200' but E/W i can
> go up to 350'.
>
> Finally though technically not a topband question. How "directional is a
> typical 200' BOG on 80 & 40? Or is an 80M BOG ideally 100' long and at
> 200' the directional capability is degraded?
>
> Dave
> NR1DX
> manuals@artekmanuals.com
>
> --
> Dave
> Manuals@ArtekManuals.com
> www.ArtekManuals.com
>
>
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