[TowerTalk] Fan dipole

LY2KZ vytenis.sciucka at gmail.com
Mon Mar 30 10:17:34 EDT 2015


Thank you all for many good thoughts!

Vytenis
LY5T

On 2015.03.28 03:07, WA8JXM wrote:
>
>
> On 26/03/2015 15:12, LY2KZ wrote:
>> s there anyone who has had experience with fan dipoles? What should I 
>> keep in mind before starting to build? Yes, tuning perhaps will not 
>> be very simple, but hopefully I will manage.
>> How far apart wires should be? 10in OK?
>> Should all center conductor legs go to the same side or vary left - 
>> right - left
>
> My first novice antenna was a 80/40(15) fan dipole over 50 years 
> ago.   I currently have 160/80 and 40/30 fan inverted vees in the air 
> and will probably add 60 and 20m soon.
>
> Some designs use twin lead or ladder line for the antenna wires 
> therefore about an inch apart.   Other designs have the wires going to 
> separate supports or hanging from the longer wires.   It really 
> doesn't make much difference.  My 160/80 wires go to different end 
> supports, but the 30m wires hand from the 40m wires.
>
> The only real drawback is that there is some interaction when pruning 
> the wires.   I have had as many as four wires suspended from each 
> other and that becomes a bit more touchy.
>
> Ken WA8JXM
>



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