I have a similar 80/40m inverted-V where my wires are separated by
1/2-inch painted wooden dowel about 8-inch long and spaced about
every two feet. The Balun is rated for a kw but I do not run more
than 300w. Center is held at 40-feet by my tower#2 and ends are at
22-feet held by a run of nylon cord to a 10m J-pole (24-foot tall)
and my 25-foot high 6m yagi support mast. Works excellently on upper
80m without tuner and uses a little tuning assistance to work all of 40m.
I originally tuned the 80m wires to 3920 and then adjusted 40m to
7240 using a MFJ269B analyzer. The 40m section is bit narrow band so
the tuner allows use down on 7093 for a local SSB Net (allowed in AK).
I can work anywhere in AK on 80m with this and outside to west coast
when bands open (note that Alaska stretches over 2.000 miles from the
tip of the Aleutians to the Canadian border). I can sit on 4125 and
receive the main marine USB channel regularly out to 1,000 miles. I
have run my K3/10 at 12w often on 80m with this antenna and gets out
very nicely...folks are surprised it is only 12w (KX3 works equally well).
73, Ed - KL7UW
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