Re: [Elecraft] KX3 Wire Antenna

[Chip Stratton]

I had the same problem with a 25 ft wire, but after lengthening it to 41
feet the KX3 tunes all bands from 80 to 10 to less than 2:1 SWR.

Be sure to do a second tune if the first one doesn't get you where you want
to go, sometimes that makes a difference.

When portable (but not backpacking) I have three 16' wires going into a
banana plug that I spread out as ground radials. I also have 6 feet of coax
going from the radio to a barrel connector where the banana plug adapter is
attached and sits on the ground. Less strain on the KX3 BNC and a little
easier to manage. All of those things can affect the antenna's impedance to
some degree. There is some loss in the length of coax from the radio at
very high antenna SWR, but the trade-off is acceptable.

73
Chip
AE5KA
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[Elecraft] KX3 Wire Antenna

[Jim - W6VAR]

This weekend I took my KX3 on a camping trip and used the 24' wire antenna
and 16' / 33' counterpoise wires I used for my KX1.

I was able to tune reasonably well on 20 meters and even 30, but was unable
to tune less than 3:1 on 40. Wayne used to recommend 24-28' for the KX1.
What length are people finding success with matching using the KX3 tuner?

Jim



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