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Re: [TowerTalk] 40/80m dipole

To: "TOWERTALK Reflector" <>
Subject: Re: [TowerTalk] 40/80m dipole
From: "Jim Miller KG0KP" <JimMiller@STL-OnLine.Net>
Reply-to: "Tower and HF antenna construction topics." <>
Date: Thu, 25 Mar 2010 10:19:44 -0500
List-post: <">>

The direct answer to your question is to use these two websites to calculate 
the inductance (coil) you will need based on your choice of location and 
then to design the coil you can build.  Calculates antenna 
loading required based on location  Coil Designer - design 
your own coil - build it

Suggestions of a fan dipole will be easier and faster to erect and have 
increased bandwidth vs a loaded dipole as stated but if you want to play 
with loaded dipoles, these websites will allow you to build what you asked 

73, Jim

----- Original Message ----- 
From: "Dan" <>
To: <>
Sent: Wednesday, March 24, 2010 9:43 PM
Subject: [TowerTalk] 40/80m dipole

>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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