[TowerTalk] 40/80m dipole

Dan n5ar at air-pipe.com
Thu Mar 25 08:42:57 PDT 2010


Exactly what I need to do the job Jim. Tnx
73, Dan

Jim Miller KG0KP wrote:
> Dan,
>
> 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.
>
> http://ecosse.org/jack/radio/software/loading.html  Calculates antenna 
> loading required based on location
> http://ecosse.org/jack/radio/software/newcoil3.html  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 
> for.
>
> 73, Jim
>
> ----- Original Message ----- 
> From: "Dan" <n5ar at air-pipe.com>
> To: <TowerTalk at contesting.com>
> 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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