[Elecraft] how to optimize end-fed?

[Heinz Baertschi]

Holger Schurig-2 wrote
> I have an end-fed antenna with some random wire. The UNUN at one end of it
> has three sockets to plug the random wire in: 1:4, 1:9 and 1:16.
> 
> My KX3 has the built-in ATU.
> I now want to find out on which band I best use which one of the sockets.
> 
> Am I right to assume that the ATU settings with the lowest L is always the
> best?  So when I have (for the three sockets), these values,
> 
> L: 0.12 mH,  C: 203.0 pF on transmitter side
> L: 0.0 mH,  C: 246.0 pF on transmitter side
> L: 0.0 mH,  C: 256.0 pF on antenna side   (but lowest SWR 1.2-1)
> 
> ... that the middle socket is the best?

Your question was indeed crystal clear, so I am sorry that you had to make
this experience.
Don't worry and have fun!

BTW, I suspect that the tuning algorithm used by Wayne for all the AT of
Elecraft does start his try with the minimum inductance (unknown from
competitive reasons, hi)?





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