Topband: BOG...

[Ken Brown]

Charles Hutton wrote:

>The impedance drops greatly as the wire approaches ground. If your Beverage
>actually lies on ground, it's likely to have an impedance of around 200
>Ohms. On grass / shrubs /etc it will likely be a bit over 300 Ohms,
>depending on your soil of course. I choose to ignore the lower impedance and
>use my normal 450 Ohm transformers. I don't feel the slight signal loss
>hurts me at all.
>  
>
Hi Charles,

If it is a terminated Beverage (mono directional instead of 
bidirectional) the big disadvantage of an impedance mismatch would not 
be signal loss, but rather reflections at the mismatch, which will make 
the antenna work in both directions instead of only one.

Ken N6KB