Re: [TowerTalk] What do do on 80 when height restricted?

['DGB' <ns9i2016@Bayland.net>]

I'd like to make one for 40m, Guy.

What would be the nr. of turns on the Transformer?

I assume the FCP length would be just half the 80m version?

Thanks 73 Dwight NS9I


On 10/25/2016 10:59 PM, Guy Olinger K2AV wrote:
> Just happened to trip over this thread looking elsewhere...Jim's post
> snagged my Google. Thimble answer:
>
> The length goes from 33 feet either side to 16.5 feet either side. The
> spacing is still 4 inches between folds, elevation should still be 8-10
> feet if you can get away with it, and fewer bifilar turns are needed on the
> core of the isolation transformer, though the 160 version of this works
> fine on 80.
>
> Be happy to answer questions at this email.
>
> 73, Guy K2AV
>
>
>
> On Tue, Oct 25, 2016 at 11:52 PM, Jim Brown <jim@audiosystemsgroup.com>
> wrote:
>
> > On Tue,10/25/2016 8:33 PM, john@kk9a.com wrote:
> >
> > > That should work, it's probably no different than using a K2AV
> > > counterpoise.
> > I agree that a K2AV FCP is a good idea. In essence, you want to divide
> > dimensions by 2 to go from 160M to 80M, but I suggest that you mail Guy
> > directly and ask him. Our check his website.
> >
> > 73, Jim K9YC
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