[TowerTalk] "Antenna Tuner"

[Roger (K8RI) on TT]

On 5/3/2014 11:20 AM, David Jordan wrote:
> Common use since no code licenses or since most of the Navy radio ops, Collins and Drake tech have passed- on. ;-/
>
> Sent from Dave's iPhone4 ;-)

Common use long before that.  Line tuner and antenna tuner were in 
commomn use nack in the 60s and 70


>
>> On May 3, 2014, at 9:51 AM, Jim Lux <jimlux at earthlink.net> wrote:
>>
>>> On 5/3/14, 5:56 AM, Marsh Stewart wrote:
>>>
>>> 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?

It does make the antenna appear to be resonant at R=50 whle L & C are equal

73

Roger (K8RI)