[Elecraft] K3 and KRC2 for controlling 12VDC

[Rich]

I have pretty much done an thorough search on this topic and have 
concluded it cannot be done, but I thought I would throw it out here anyway.

I believe that the outputs on the KRC2 on strictly controlled by band 
information which it receives.  I was wondering if there was a way to 
send RX antenna status to the KRC2 which would close an output to send 
12VDC to my active RX antenna and another to activate 12VDC to the 
preamp for the RX ant when I chose.

My thought was along the lines of the DVK messages which can be 
activated via the keyboard when using Writelog or other contest 
programs.  I was hoping to send a command via the keyboard to activate 
the RX ant on the K3 and at the same time send the required 12vdc to the 
RX antenna via an output on the KRC2 and the same for the preamp if I 
want it on/off.

I hope this is clearer than mud.

Rich