[TowerTalk] remote controlled tuners?

[David Gilbert]

Hi, Jim.

Do you plan to use this for transmit, or for receive?

I'm no network expert, but if you intend to do this for transmit I don't 
think you can variably shift the phase AND also at the same time have a 
good match by this method.  Maybe you plan to switch the tuner in for 
receive and out for transmit, or switch between two tuners.

And if you intend to do this only for receive, you could accomplish the 
same thing via software at audio IF you use a rig with two synchronized 
receivers, such as the Elecraft K3/K3s in diversity mode.

On the second point, I have a few times lobbied Elecraft to add that 
capability to their firmware but they don't seem to recognize the 
potential of it.

73,
Dave   AB7E



On 8/3/2020 10:56 AM, jimlux wrote:
> On 8/3/20 10:20 AM, sawyered at earthlink.net wrote:
>> Why is it that direct control of L and C are required?  I use the MFJ 
>> high
>> power tuner and have no issue with it on auto tune finding a good 
>> match for
>> my 80M phased dipole array.
>>
>
> I want to use it to change the relative phase of the antennas to move 
> the nulls.
>
> It's more a "phase shifter" than a "matching network"
>
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