[Elecraft] K3 - 6m Preamp/RX antenna switching

Stewart Baker stewart at baker.nildram.co.uk
Sun Jun 8 11:16:43 EDT 2008


 Hi,
As I can only just (sometimes) tell that I have an increase in 
noise level on 6m when I connect the antenna, I have decided to 
add a preamp.

Rather than wait for the Elecraft design, I will build my own.

I am wondering what is the most convenient way of automatically 
switching the preamp when on 6m, and still allow the use of the 
external RX antenna input with the KXV3.

I could do a decode of the bandswitch info, but that means more 
cabling.

Any ideas ?

73
Stewart G3RXQ


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