[Elecraft] KRX3 Diversity Antenna

[Wayne Burdick]

John,

If your only available independent receiving antenna for the sub  
receiver is the antenna you have connected to ANT2, you may want to  
use the "non-transmit ATU antenna" as your sub aux antenna, rather  
than the BNC jack. ANT2 can then be the sub's antenna while ANT1 is  
the main antenna, or vice-versa. Same as the Orion.

This is explained in the KRX3 manual. You'll need to use the TMP-TMP  
coax cable supplied with the KRX3; connect it from the sub to the ATU.  
You'll have to either remove the BNC cable assembly or coil it up and  
tape it safely out of the way if you leave it installed.

73,
Wayne
N6KR


On Dec 3, 2009, at 2:35 PM, John Huffman wrote:

> I ordered the KRX3 today.  I've been reading the manual and have a  
> question.
>
> I have two antennas hooked to my K3.  Antenna 1 uses the internal ATU
> and is hooked to the ANT1 connector.  Antenna 2 is hooked to the ANT2
> connector on the K3, but does not use the ATU.
>
> Using this setup on my Orion, I can listen to antenna 1 on the main
> receiver and antenna 2 on the sub receiver.
>
> But, on the K3 it appears that I have to disconnect antenna 2 from the
> ANT2 connector and connect it to the AUX connector in order to get
> diversity receive.  That seems inconvenient.
>
> Is there a way to put ANT1 on the main and ANT2 on the sub in the  
> K3?  I
> don't relish the idea that I have to crawl around behind the radio in
> order to change connectors every time I want diversity receive.
>
> 73 de K1ESE
> John
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