[Elecraft] Helix-wound EDP

Thom R LaCosta lacosta at bcpl.net
Wed Dec 14 23:51:00 EST 2005


On Wed, 14 Dec 2005, Terry Conboy wrote:

> At 06:37 AM 2005-12-14, Thom R LaCosta wrote:
>> What I was hoping to do was have a helix that acted like a w3edp, ie, a 
>> multi-band antenna.   So, if the edp is 87 to 89 feet, would that mean that 
>> a helix might be 174 to 178 feet of wire wound on the form?
>
> Thom,
>
> The comments you have already received have been excellent.

Yep...I am learning a LOT from the expertise of the folks...

>
> You can't fool mother nature by winding a 10-wavelength rhombic onto four 
> 0.05 wavelength long coil forms.  It would be great if you could!  8-)

Yes...but, there is always hope.

>
> BTW, the latest version of EZNEC (4.0) has a nice feature that makes it easy 
> to create models of helical antennas (subject to limits on the maximum number 
> of segments.)  I can model a helical design if you like.

Don;t want to waste your time and energy....it looks like the Holix is not the 
way to go....but thanks for the kind offer.

Perhaps I need to take "Bribe 101" to convince the pole climbers not to touch my 
wire.

>
> Keep clam,

Yes, and oysters, mussels, crabs and other goodies.

73,Thom-k3hrn
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