Topband: Feeding 160M Vertical on 80M

[Tom W8JI]

> I have a 60' tall top loaded vertical for 160M and would like to know how
> best to feed it to use it on 80M as well.  On 80M there will be some 
> pretty
> high voltages at the feedpoint.
>

What is the top loading? Because something resonates on 160 m with something 
on the top doesn't mean it will act like a half wave on 80.

Without knowing what the loading system is, nothing can really be answered.