[Elecraft] What's New at Dayton? dual rcv

Phil Wheeler [email protected]
Wed Apr 30 19:24:42 2003


Jack Brindle wrote:

> Tony;
>
> Thanks for picking up the discussion. I had a few direct responses, 
> but got busy with a project and had to drop this for the time being. 
> Now that I have at least a few minutes of free time, let me ask a bit 
> more. I see why you would want to do it, it makes a lot of sense. It 
> is the how that still puzzles me.
>
> OK, so let's set up hypothetical station with a pair of K2s, the audio 
> output of one connected to the left headphone channel and the other to 
> the right. Each can operate pretty much independently at this point; 
> you can set the bands individually, key both independently, and so 
> forth. You can hear both received signals simultaneously. You then add 
> some sort of box that determines when one is transmitting and 
> "disconnects" the antenna input of the other one (ground it, etc) so 
> that it doesn't get overloaded. Either k2 can connect to any antenna, 
> but suppose we have a setup that allows them both to be on the same 
> antenna at the same time. The TX protection keeps the receive unit 
> from being blown up.
>
> So what else is missing from your scenario? Is there some sort of 
> other synchronization needed or something to allow controlling things 
> on both radios together? What am I missing? 


Need an implementation for those with only one good ear :-)

73, Phil