Not a big deal, but I'd consider bringing that doublet down to 88ft and it
would probably be easier to match and have a better broadside pattern on
20M.
Barry N1EU
On Tue, Apr 14, 2015 at 12:52 PM, Jim Allen <jim.allen@longhornband.net>
wrote:
> The 130' dipole I have at the moment has been a decent performer on all
> bands, better on 40 then 80, better on 20 than 40, etc. It is only 32'
> high at the center and slopes to ~15' at each end. It is fed with about
> 100' of 450 ohm ladder line and matched with a Icom AH-4. Thence RG-8X to
> the shack. It would be more effective if it were higher, of course.
>
> I'm in the process of upgrading to a delta loop for 40 and a rotating
> dipole for higher, but I have been satisfied with the dipole.
>
> 73 de W6OGC Jim Allen
>
> Sent from my iPad
>
> > On Apr 14, 2015, at 11:08 AM, Paul DeWitte <k9ot@yousq.net> wrote:
> >
> > In my first post I asked if the 80m antenna was 60 ft instead of 66 ft
> > would it tune easier on 40m.
> >
> > It should have read 60 ft on a side for an overall length of 120 ft,
> > instead of an overall length of 132ft.
> >
> > I do all of my antenna calculations 234/freq which is one side of a
> > dipole or the right formula for a vertical. Thus the 60 ft on a side.
> >
> > 73,Paul K9OT
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