[Elecraft] EFHW

[Chip Stratton]

No need to spend much money on an end-fed half-wave antenna. The EARCHI
 matchbox design is cheap if you do it yourself, and reasonable if you buy
the kit or pre-built from them. If you want it to be a true half-wave,
choose the wire length accordingly.

http://www.earchi.org/92011endfedfiles/Endfed6_40.pdf

Chip
AE5KA

On Wed, Feb 8, 2017 at 5:41 PM, Dan Presley <n7cqr at arrl.net> wrote:

> Wanted to get some thoughts from folks about pros and cons of an end fed
> half wave for portable/SOTA use, as opposed to just using a random length
> wire with a counterpoise connected directly to either the KX2 or 3.(I think
> Eric recommended somewhere around 28’ depending on the band coverage).Is
> there any particular gain advantage? To me the only obvious advantage is
> not having to deploy a counterpoise-with the end fed usually the length of
> coax will act for this, and of course the need for a suitable Un-Un,usually
> 9:1. My preferred antennas these days are lightweight resonant dipoles,
> which is fine assuming you have room to erect them, and second is a
> magnetic loop which I’ve had good luck with. I use the Alexloop-very light
> and easy to set up;ground and height independent generally. But-since you
> never quite know what will work best I try to be ready for whatever comes
> up. I have a variety of lightweight poles to use with wires.  I’ve had
> pretty good luck with throwing a random length in a tree or pole with a
> counterpoise, usually elevated if possible.The auto tuners in the elecraft
> rigs are excellent in my book. I think over the years I’ve used a bunch of
> portable antennas except the EFHW-just curious what the advantages might be.
>
> Dan Presley  N7CQR
> n7cqr at arrl.net
>
>
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