[TowerTalk] (no subject)

[Dave]

> K7GCO@aol.com wrote:
>
> >   Hi-Q trap circuits has it's applications but in antenna traps I'd like to see
> > some data
> > to really support it.  Lo-Q traps work just fine.  Data on Hi-Q traps seems
> > to be just "academic."  No one seems to be using them in antennas worth
> > observable benefits.    K7GCO
> >
>
> I am no expert in this field but by definition, low Q means high loss. Q is the
> ratio of reactance to resistance in a parallel RLC network. A trap is essentially
> a parallel RLC network. While low Q traps are better behaved and less finincky
> than high Q traps, they are lossy and thus rob gain from the antenna. While I
> have no data to back this up, I'll bet a dollar to a donut that if pattern tests
> are run on an antenna with high Q traps and the same antenna with low Q traps,
> the high Q traps will result in higher gain (no brainer).
>
> 73
> Dave
> K0QE


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