[AMRadio] Antenna Tuner Wonderings

Byron Lichtenwalner w3wkr at verizon.net
Tue Dec 14 11:53:56 EST 2004

Sounds like your on the right track with the trapped dipole.
Another choice might be to use a random length wire and good ground with any
of the many automatic ant. tuners designed to end feed long  wires.  Used
one in a mobile installation with a 17 ft whip with reasonable success.
Byron, W3WKR
----- Original Message ----- 
From: "Merz Donald S" <merz.ds at mellon.com>
To: <W7QHO at aol.com>; <glowbugs at piobaire.mines.uidaho.edu>;
<amradio at mailman.qth.net>
Sent: Tuesday, December 14, 2004 11:39 AM
Subject: RE: [AMRadio] Antenna Tuner Wonderings

The antenna inventory at ARS N3RHT:

Radio works 80M Windom, one end in the attic and the other end in a tree at
the far corner of the property, with ends drooped down to fit the space, fed
with coax

Homebrew vertical dipole, about 40 feet total length, stuck upright in a big
ole pine tree and held lovingly in place by the tree's branches, fed with
450 ohm ladder line to a Heathkit B-1 balun and then coax into the shack.

Butternut HF-6V with the 160 meter option, on top of a 30 foot pole with a
home-made counterpoise following plans published in CQ. Some of the
counterpoise wires have broken. Fed with coax.

Homebrew from one of the W6SAI books 10-15-20 multi-band meter dipole in the
attic, center is Van Gordon 1:1 balun, tuned to resonance using MFJ 259, and
fed with coax

The other stuff is VHF or too junky to be worth mentioning. In a few weeks,
I will put up that 1977 NOS trap dipole that I mentioned.

My house is on a small, suburban lot, but that lot sits on the highest point
for 20 miles in all directions.

Anyway....that's what I'm working with here.
All ideas appreciated.
73, Don Merz, N3RHT

-----Original Message-----
From: W7QHO at aol.com [mailto:W7QHO at aol.com]
Sent: Monday, December 13, 2004 5:59 PM
To: Merz Donald S; glowbugs at piobaire.mines.uidaho.edu;
amradio at mailman.qth.net
Subject: Re: [AMRadio] Antenna Tuner Wonderings


What kind of "crappy" antennas are you using, i.e., doublets fed with coax,
open wire lines, etc., or end-fed wires?  Or, some combination of types

Rather that building up a bunch of tuners you might consider putting your
efforts into erecting a set of antennas that all worked directly off a 50 or
75 ohm coax feedlines.  Half-wave dipoles, one for each band, for example,
or one or more of the multi-band arrangements (G5RV, fan and trap dipole,

Dennis D. W7QHO
Glendale, CA

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