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

[N2TK, Tony]

Hi Phil. A simple audio switch would work. 
Position A for A rig in both ears
Position B for B rig in both ears
Position C for A+B in both ears
Position D for A in left ear and B in right ear.
Tony
N2TK
-----Original Message-----
From: Phil Wheeler [mailto:w7ox@earthlink.net]
Sent: Wednesday, April 30, 2003 19:21
To: Jack Brindle
Cc: n2tk@arrl.net; 'Bill NY9H'; elecraft@mailman.qth.net
Subject: Re: [Elecraft] What's New at Dayton? dual rcv

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