[Elecraft] Multiband end-fed dipole with KX1

Brian Hunt huntinhmb at coastside.net
Sat Feb 22 10:34:55 EST 2014


I have a home brew 40/30/20 end fed half wave vertical I've used for several years with my K1. 33 ft long and supported with a MFJ fiberglass pole, it has a loading coil 6 ft from each end.  20 m with the coil shorted, 30 m with a tap selected and 40 m with the entire coil in the circuit. You have to haul the antenna down to change bands but that's easy with the MFJ pole. 

The tuner is a tuned tank with a 6 turn link tapped on every turn. The coil and link are wound on a 1 in. toroid. It will tune the antenna to 1:1 SWR on all 3 bands. It will handle about 15 watts before it starts to arc. :-)

I can put together the details if interested. 

72,
Brian, K0DTJ

> On Feb 22, 2014, at 2:59, PGSchreier <PGSchreier at swissonline.ch> wrote:
> 
> Hi gang,
> 
> I would like to find a 40/30/20 meter end-fed dipole I can run with my KX1 and its tuner. (I'm not crazy about linked dipoles for a number of reasons.)
> 
> Are you familiar with any end-fed design that will handle all three bands well?
> 
> For instance, does anyone have any experience with the EndFed 40-6m Antenna from W1SFR?
> http://kx3helper.com/endfed-40-6m-antenna/
> 
> Thanks for any tips!
> Paul  AA1MI / HB9DST
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