I'm using a tri-band V, that has two Vs. One is cut for 80 & the other
is 20/40.
It's coming down, all the parts are here :-), in favor of this one:
http://www.cebik.com/gup/gup5.html
This is working great @ a # of locations. The reason I'm changing is to
pick up the gain on 20m.
73 de N7LD
John Tait wrote:
> Bill Turner wrote:
>
>> ORIGINAL MESSAGE:
>>
>> On Tue, 15 Apr 2008 11:34:51 -0700 (PDT), Larry Boekeloo
>> <lboekeloo@sbcglobal.net> wrote:
>>
>>
>>
>>> If I cut a dipole for 80 meters, 40 meters and 30 meters and connect them
>>> all to the same balun, would they at some point resonate on the correct
>>> frequencies with some tweaking?
>>>
>>>
>> ------------ REPLY FOLLOWS ------------
>>
>> Yes, they will work very well indeed. My low-band antennas here are
>> three inverted vees connected together just as you describe. I have 160,
>> 80 and 40 meter antennas with the apex at 70 feet and the elements
>> fanned out so they are about 20 feet apart at the ends. When I first put
>> it up I expected a lot of tuning would be required because of
>> interaction but there was remarkably little tweaking required.
>>
>> For anyone running high power, I highly recommend this instead of a
>> trapped dipole/vee. Over the years I have smoked several traps that
>> supposedly were rated for 1500 watts, but this antenna really is capable
>> of full legal limit, brick on the key, no problem at all.
>>
>> 73, Bill W6WRT
>>
> My 160,80 and 40m dipoles are at 45ft, with the widest angle
> possible between dipole legs. As Bill says, this system works very well.
> Mine has almost 1:1 SWR on all three bands. Check out all the other
> bands too, as you may find that it works on some other bands with a good
> SWR. Mine works well on 30m, and very well on 17m. What extra bands you
> get will depend on height, angle between wires, location etc etc.
> I mainly use it for local QSOs, as I use vertical dipoles for Low Band
> DXing.
> Vy 73
> John EI7BA http://www.iol.ie/~bravo/
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