[Elecraft] Connecting a BigIR

[Wes]

I could be wrong, but I think in the second sentence in the second paragraph 
under *SDA 100 Kenwood Interface*, the word "not" should be added between does 
and match.

Wes  N7WS

On 3/15/2025 6:35 AM, Andy Durbin wrote:
> "My question is exactly where to connect the SteppIR control box to the radio."
>
> The simple answer is do not connect that way.  The direct SteppIR interface with a Kenwood/Elecraft rig is very poorly implemented and may cause the SteppIR to tune at beginning and end of transmission.
>
> Far better to use a separate application or hardware interface that sends the SteppIR controller only the TX frequency.  I have been using PstRotatorAz for many years.  Others have used DXLab Commander secondary port.
>
> My experience is with a 2 element SteppIR but the tune on TX problem will be just the same with a BigIR.  I wrote a paper on this issue about 10 years ago but, to the best of my knowledge, SteppIR did not fix it in any later controller versions or models.
>
> https://tinyurl.com/m9ms6jh8
>
> Andy, k3wyc
>