You don't want a resonant antenna. You want one that presents a 50 ohm non
reactive load to the feed line if that's what the feed line is.
Otherwise you use a matching network.
Right?
Sent from my iPhone
> On May 3, 2014, at 10:20 AM, "Dan Schaaf" <dan-schaaf@att.net> wrote:
>
> Seems to me that since an antenna is considered inductive or capacitive,
> when it is physically away from a resonant frequency length, then adding
> inductance or capacitance at the base, middle or top assists in resonating
> the antenna such that XL=XC. I have not found anywhere that says antenna
> resonance must be void of any assistance. For example, a 60 ft vertical with
> base inductance or with top capacitive hat loading is resonant, therefore it
> is tuned at a certain frequency. So, it then is tuned. The tuner in this case
> may be base tuning using a remote tuner, or tuned using the appropriate
> reactance midway or topside.
>
> You could call it matching, or impedance matching, or impedance
> transformation or tuning. Seems any of these descriptions can be used. Just
> depends on how many words that you want to utter.
>
> Otherwise, what am I missing here?
>
> Best Regards
> Dan Schaaf
>
> =================================
> K3ZXL www.k3zxl.com
> =================================
>
> -----Original Message----- From: Marsh Stewart
> Sent: Saturday, May 03, 2014 8:56 AM
> To: towertalk@contesting.com
> Subject: [TowerTalk] "Antenna Tuner"
>
>
> Someone posted the following on the subject of antenna tuners: "They aren't
> adjusting the resonance of the antenna, so what are they tuning?"
>
> When I adjust the capacitance and inductance of my "antenna tuner" my
> antenna does not change length or height, and the length of the feedline
> does not change. Could it be because it is not really an "antenna tuner" but
> is actually an impedance matching network?
>
> Marsh, KA5M
>
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