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

[Jack Brindle]

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?

On Wednesday, April 30, 2003, at 10:53  AM, N2TK, Tony wrote:

> Hi Jack. Don't know if anyone got back to you on this. At least I 
> didn't see
> any comments on this end.

-Jack Brindle, WA4FIB
=======================================================================
MacDobs - helping to shift the paradigm for low-cost amateur astronomy.