[Elecraft] Amp or tuner / Chicken or Egg

[Fred Jensen]

I don't think that's what he asked.

If the K3S is at all like the K3, the the assembly manual will tell you. 
  I remember there is some calibration stuff to do before adding either 
the ATU or PA, and it tells you which to do first.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the Cal QSO Party 1-2 Oct 2016
- www.cqp.org

On 2/17/2016 1:31 PM, Jim Rodenkirch wrote:
> Gary - depends on your antenna and how you feed it.
>
> If you intend to feed a multi-band antenna with open wire line, you'll need
> some sort of tuner at the point where you transition from open wire to coax:
>
>     - if you plan on doing that out near the base of your antenna (the most
> efficient spot) then save your
>       money and purchase an auto tuner, e.g., an LDG Z11 ProII, and place it
> at the point where the open
>       wire line transitions to coaxial feed.
>     - if you plan on doing that inside the shack and can keep the coaxial run
> short, the internal auto tuner
>       would work, albeit you could employ an LDG Z11 ProII there as well.
>
> If you plan on feeding any multi band antenna with coax of a length longer
> than 10' to 15' an auto tuner inside the shack isn't worth much -- place an
> LDG Z11 ProII style auto tuner at the base of the antenna, 'tween the
> coaxial fee line and the antenna feed point and call it a day.
>
> If you plan on taking the K3S on portable trips....its auto tuner wud be 'da
> way to go, as long as you keep coaxial runs 'tween the K3S and the antenna
> feed point short...."short" means < 10' to 15' or so.
>
> 72 de Jim R. K9JWV