If you are really worried about it, Wayne came up with a modification to improve the K2's strong-signal handling characteristics. This was created specifically to protect the receiver in the presence of strong near-by signals. Usually these are only a problem when the transmitter and receiver are on the same band, or even on the same frequency. If you keep the radios on different bands, I doubt you will see much problem.

I hope this helps, et bon chance!

On Sep 18, 2005, at 4:14 PM, JEAN-FRANCOIS MENARD wrote:

Ok for the mic. My main concern is for the K2 that will be receiving when the other transmit and vice-versa....

Le 05-09-18 à 18:50, Jack Brindle a écrit :


This is very close to contesting's SO2R (Single Op, two radios). The difference is that in SO2R both radios are always active. When one transmits, the other continues to receive. Bandpass filters are used to keep the transmit RF from adversely affecting the 2nd radio's receiver. If it did hurt it, then that radio would be rather useless when the first is transmitting, right?

Switching the microphone between the two radios shouldn't be too difficult with a simple switch, and if you really want to get fancy, you too could become addicted to creating the ultimate SO2R box... ;-)

A web lookup on SO2R should be quite revealing. After reading the articles, you might realize that it is not that difficult to use TWO K2s at the same time!

On Sep 18, 2005, at 7:54 AM, JEAN-FRANCOIS MENARD wrote:



Hi to all,

I would like to build another K2 this automn, I can't stand in my shack without no kit to build. ;-)

But I would like to know if it is possible (I think to an easely yes) to operate two K2, one at a time of course, but using the same microphone with an a/b switch like. And when one K2 is in TX the other is stop listenning, to prevent or to protect it, from busting his fontend.

If someone already did this setup, it would be really appreciated to share this project with us. Or at least somebody have a good start for this ???




-Jack Brindle, W6FB
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- Jack Brindle, W6FB
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