Won’t need a tuner if the wire is cut to a quarter wavelength on 80. This
is called a “Half-Sloper” or “Quarter Wave” sloper. Should be plenty of
information about them online. Great DX antenna.
Chuck W5PR
On Sat, Aug 13, 2022 at 12:31 PM Phil G via TowerTalk <
towertalk@contesting.com> wrote:
> Or try one 30 degree sloping wire off the top of the tower. Feed the wire
> with center conductor and braid to tower. Needs a tuner.
> Phil
> W4NGU
>
> Sent from my iPhone
>
> > On Aug 13, 2022, at 1:06 PM, n1bkb--- via TowerTalk <
> towertalk@contesting.com> wrote:
> >
> > I agree on the sloping dipole as a MUCH easier solution. You might
> want to consider using a ZS6BKW antenna installed as a sloper. I used one
> in that configuration for over a decade with the top at 75' and was
> constantly amazed at how well it worked, especially considering it cost
> less than $80 back when I bought it. It's 92'' long with coverage from 80m
> thru 6m and a tuner is only required on 80m & 15m. It's only unique
> requirement is that the 450-ohm ladder line connection needs to be fed with
> at least 100' of coax as a matching element to its function.
> > 73, Steve - N1BKB
> >
> > On Friday, August 12, 2022 at 01:41:28 PM PDT, S57AD <
> mirko.s57ad@gmail.com> wrote:
> >
> > How about a sloping dipole, Stephen? Upper half at 30° to the tower and
> > bottom half 30° from the ground , in the shape of extended V. I had
> > excellent experiences with such a dipole...
> >
> > 73 Mirko, S57AD
> >
> > V V pet., 12. avg. 2022 ob 22:22 je oseba STEPHEN L SALA <k7awb@msn.com>
> > napisala:
> >
> >> i have a rohn 45 up at 90 feet with a force 12 6-el the mag 620. i was
> >> thinking of a 80 meter vertical 60 feet or so in length away from the
> >> tower, a short distance held out there with one of those tower rods.
> how
> >> critical is the wire distance from the tower ? Do i do a 60 foot +-
> foot
> >> quarter wave vertical or an inverted el? to be coax fed only.
> >>
> >> 73
> >> Stephen
> >> K7awb
> >> _______________________________________________
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> >
> >
> > --
> > Mirko S57AD
> > _______________________________________________
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