[CQ-Contest] SO2R headphone switching

[Ward Silver]

There was an article in NCJ some time back by W0OG (I think).  I built a
similar device driven by the amp keying line and it works fine.  A
manual/auto mode is required so you can use the box both ways.

73, Ward N0AX

> 
> Currently I have a manual switch to switch headphones between 
> radio 1, radio 2, and one ear for each.
> Seems to me a relay setup to switch both ears to the non-CQing 
> radio, while the run radio is xmitting would be more efficient. Has 
> anyone done this? I'm not lokking for something to switch mics, 
> keyers, etc., just the receive audio.
> Tnx/Barry
> --
> Barry Kutner, W2UP              Internet: w2up at mindspring.com
> Newtown, PA         FRC         alternate: barry at w2up.wells.com
> 
> 
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