[Elecraft] Antenna

Keith Hutt keith.hutt at virgin.net
Tue Dec 27 04:39:22 EST 2016


I will second the 53ft of wire though i use 2 x16 ft counterpoises with my KX2

Regards

Keith G0TSH

For 80 meters, try a 53 foot wire in the air. For 40 meters and up, try a wire 26 to 29 feet long.

I use a 16 foot wire laying on the ground. That length either isn’t critical, or changes electrical length due to capacitance to RF ground at every site. Or both. Whatever, the ATU seems to deal with it.

I assume you have the ATU.

I have been using camping clothesline reels for the wire, but they don’t wind up very smoothly. I just got some “midi” wire winders from SOTAbeams (http://www.sotabeams.co.uk/midi-winders/ <http://www.sotabeams.co.uk/midi-winders/>). The regular winders are longer than my KX3. Haven’t used them yet.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Dec 26, 2016, at 10:33 PM, Terry Brown <n7tb at comcast.net> wrote:
> 
> Hello Group,
> 
> 
> 
> I currently use a doublet about 63 ft. on each side feeding 300 ohm twin
> lead line into an Elecraft balun, then coax to my KX3.
> 
> 
> 
> I am going to be going to New Zealand for about three weeks during February,
> and I am seriously considering taking my KX3 with me and operate N7TB/ZL.  I
> just don't want to take the doublet because of size.  I have one of the BNC
> to binding posts adapters for my KX3, and that seems like the best solution,
> I just don't know how long my antenna wire should be, or the counterpoise.
> I would appreciate any suggestions.  I would like to have the ability to
> operate 80, 40, 30, 20, but I could get by without 80 meters.  
> 
> 
> 
> I would also be interested to find out from any Kiwi operators what the
> current band conditions are in NZ.  It will be later in the Summer in the
> Southern Hemisphere when I am there, so I would hope conditions on the 80
> and 40 meter bands will be better than what we are currently experiencing in
> the No. Hemisphere.
> 
> 
> 
> Thanks in advance for any advice you can give me.
> 
> 
> 
> Very 73's,
> 
> 
> 
> Terry, N7TB
> 
> 
> 
> 
> 
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