[Elecraft] K3 Diversity Rocks!

Vic K2VCO vic at rakefet.com
Tue Jul 14 13:01:20 EDT 2009


Brett Howard wrote:
> Are you gentlemen using the second KAT3 port or are you using the AUX RF
> path?  I tried using the KAT3 port and found that with other stations around
> my COR's were switching on me when the other station got into us a little
> bit.  Their antenna was as loosely coupled to ours as I could have gotten it
> in the space we had.  There were two windoms both on the same string between
> trees so they were end to end of one another tip to tip.  Then our other
> antenna was 90 degrees off and when we TXed I found that it would get into
> the other port and operate the CORs that way as well.  
> 
> Does this possibility go away when you come in through Aux RF?

I'm using AUX RF. It has a COR too. I suffered a malfunction in this area which I really 
do not fully understand and the COR relay was damaged. After replacing the relay and 
making a few updates to my (beta test version) KRX3 that were recommended by Elecraft 
support, I am still a little nervous. So I added back-to-back diodes across the switch 
that I use to feed the auxiliary antenna input.

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco


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