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Date: Fri, 15 May 2009 17:43:24 +0100
From: Richard Newstead <g3cwi@btconnect.com>
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Subject: Re: LF: Aerial current
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Rik Strobbe wrote:
> Hello Richard,
>
> is you antenna matched to 50 Ohm ?

Not sure but the optimum power transfer suggests that it is matched to 
the output impedance of the transmitter.

> If you just bring it to resonance (loading coild adjustment) the 
> antenna impedance can be anything between 10 and 100 Ohm.
> And some 10m's length of coax can cause some odd impedance 
> transformations, even on 500kHz.
>
>
There is no coax involved (well only 30cm) here so it is not that!

Strange!