[TowerTalk] 40/80m dipole

[Gene Smar]

Dan:

     I concur with Don's recommendation about using two dipoles on the same 
feedline.  I used this arrangement (with a third dipole for 20M) during my 
Novice days and it worked well for me.  The non-resonant dipoles aren't even 
seen by the one your operating on.  Just leave enough wire at the ends of 
each dipole for trimming.

73 de
Gene Smar  AD3F


----- Original Message ----- 
From: <n8de at thepoint.net>
To: "Tower and HF antenna construction topics." <towertalk at contesting.com>; 
"Dan" <n5ar at air-pipe.com>
Cc: <TowerTalk at contesting.com>
Sent: Wednesday, March 24, 2010 11:01 PM
Subject: Re: [TowerTalk] 40/80m dipole


> Dan,
> How about two parallel dipoles from the same feedpoint with the 80m
> dipole strung between the 90' supports and about 20' at each end
> hanging down. The 40m dipole could then be 'fanned' downward from the
> feedpoint and tied to the same end support as the 80m dipole.
>
> -------------------()-----------------
> |                                     |
> |                   ^                 |   this would be the 80m dipole.
> |                   ^                 |
> |                   ^                 |
> x               40m dipole attached   x
>            at this same feedpoint with
>       ends drooping down towards points
>    marked 'x' where both dipoles are tied off.
>
> Don
> N8DE
>
>
> Quoting Dan <n5ar at air-pipe.com>:
>
>> I would like to build and send to my son a coil loaded dipole for
>> 80/40m. He has about 90 feet space to hang it in. Has anyone information
>> on loading coil values and placement in the 90 ft dipole?
>>
>> Tnx, Dan, N5AR
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