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Re: [Antennaware] Modelling help needed for160 m L-antenna on 20m

To: "Kari" <>, <>
Subject: Re: [Antennaware] Modelling help needed for160 m L-antenna on 20m
From: W6SX Hank Garretson <>
Date: Tue, 30 Jan 2007 08:13:05 -0800
List-post: <>
At 02:26 AM 29 01 2007, Kari wrote:

>I have a 135 feet L-antenna (70 feet vertical, 65 feet horizontal) for 160
>meters with about 20 ¼ wave radials to it. It works well on 160 m and is
>also resonant with low SWR on 24 Mhz and 28 Mhz. I now wonder how does the
>elevation and azimutal pattern look like on the latter two bands? Is there
>any low angle take offs or is it a ?cloud warmer? on the 24, 28 Mhz band?
>Can anyone help me with the modelling since I am not an expert on this and
>do not have EZNEC 3 or 4.  I do happen to have the EZNEC wire model file for
>the L-antenna from ARRL Compendium if that helps.

Ciao Kari,

Try one of the free

NEC/MININEC programs on the WB0DGF page:

I've had good luck with MMANA.

For something like an L, it is pretty easy.  You 
won't have any problem, and you will have fun playing with it.


Hank, W6SX

Mammoth Lakes, California 
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