Re: Multi-band vertical fed with ladderline: radials

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From: Karl F. Larsen (k5di@zianet.com)
Date: Thu Jul 11 2002 - 18:32:41 CDT


Nico I don't like your design. Better you find a 10m pole and hold up
the center of a 88 foot wire which you feed with 450 ohm ribbon to your
tuner. It will take less wire and work better.

On Thu, 11 Jul 2002, Nico Vertriest wrote:

> Hello,
>
> I would like to put a 5m vertical on my roof (10m high) and to feed it with
> 450 ohm ladderline. I would like to use it as a multiband antenna with a
> balanced line tuner. As radials I would put several lines of rotor cable
> having a length of 5 meters (6 lines, each having 8 conductors). I
> wondered what is the most efficient situation for the radials. Is it best
> to cut several separate radials to resonance for the 20,17,15 and 10 m bands
> ? Or
> can I just use several radials 5 meter long, and count on the tuner for
> resonance ?
>
> Thanks in advance.
>
> 73,
> Nico
> on4civ
>
>
>
>

-- 
Yours Truly,

- Karl F. Larsen, (505) 524-3303 -


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