[TenTec] 160 M antenna

[Carl Moreschi]

I would leave it alone.  The 38 ohm antenna is excellent.

Carl Moreschi N4PY
58 Hogwood Rd
Louisburg, NC 27549
www.n4py.com

On 11/8/2013 3:18 AM, Richards wrote:
> Interesting commentary, Ken.
>
> I DO have a 40m ground plan with 65 radials. And it has that textbook 38
> ohm low SWR you mention. It seems to work swell... but your comment
> suggests it could be better.
>
> A friend suggested I make it slightly taller and add some capacitance
> until it presents a an inherent 50 ohm load. (I think that is what he
> said... let's assume HE said it right, if this is not a good idea... and
> presume I remember it wrong...)
>
>
> So - What would YOU do with my antenna to make it work better?
>
>
> (This is NOT an argument - it is a very serious question to me.)
>
> -------------------- K8JHR -----------------------
>
> ------ Original Message ------
> From: "Ken Brown" <ken.d.brown at hawaiiantel.net>
>
> A quarter wavelength vertical over an excellent ground counterpoise
> system has an impedance of about 37 ohms. If you don't need a matching
> device to get a 1:1 SWR at the resonant point, then it is likely you
> have about 13 ohms of loss resistance (the kind that produces heat,
> versus radiation resistance, the kind that produces a radiated signal)
> that added to the 37 ohms of radiation resistance makes a perfect match
> to your 50 ohm coax. Very convenient. Not very effective. What would you
> rather have? A low SWR or a stronger signal? Many hams have chosen
> (perhaps unwittingly) a low SWR.
>
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