[Elecraft] K3 - SteppIR - KPA500 interconnection

[W0MU Mike Fatchett]

That is exactly how the tuning relay works.  It interrupts the ptt line 
so the amp cannot key while the SteppIR is moving.  N8LP also makes a 
box for those that do not have the new controller that will do the same 
thing.

Mike W0MU

W0MU-1 CC Cluster w0mu.net


On 12/16/2011 9:33 AM, David Bushinsky wrote:
> Goal is to not allow the KPA500 to transmit until the SteppIR controller has
> finished tuning.
>
> The SteppIR controller, with the tuning relay option, has a stereo plug
> input, the K3 and KPA500 both have RCA plug inputs.  My thought is to get a
> shielded audio cable with a stereo plug and two RCA plugs (common cable to
> power an audio system from an ipod).  One RCA plug into the K3 PTT, one RCA
> plug into the KPA500 and the stereo plug into the SteppIR controller.  Once
> the SteppIR has finished tuning it will close the connection on the PTT line
> allowing the KPA500 to transmit.
>
> I think it should work but have yet to try it.  Thoughts?
>
> David W2PD
>
>
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