ORIGINAL MESSAGE:
On Mon, 7 Aug 2006 10:09:32 +0100, you wrote:
>Me neither, because it's so difficult to understand what a dip actually
>means, except in the very simplest cases.
>
>The GDO is deceptively simple instrument. The trick is to tell when it
>stops being simple, and starts being deceptive.
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A GDO "deceptive". I could not disagree more. Assuming the GDO is
designed properly, what is says is happening really is.
In all fairness, I have seen one GDO which had its own dip at a
particular frequency, apparently due to a resonance within the meter
itself. Aside from that however, when it shows a dip, there is most
assuredly a parallel resonance present, or at least a circuit which
will absorb power at a particular frequency such as an antenna.
Bill, W6WRT
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