[Elecraft] KRX3 - ATU or BNC

[Tom]

On Fri, 26 Dec 2008 08:33:25 -0800, you wrote:

>James Kohnke (W6VAR) wrote:
>> For those that have installed the KRX3, which option did you choose for the
>> receive antenna, BNC or ATU? How do you intend to operate with the second
>> receiver that guided you to this choice?
>
>I do two things with the KRX3. One is to listen to a dx station in one ear and the 
>pileup in the other, in order to more easily find the guy the dx is working so I can 
>call on that frequency. For this purpose, I want the KRX3 to share the main antenna.
>
>The other is to use diversity reception. I have laid about 200 feet of wire on the 
>ground to make a low-noise rx antenna, and I also have a vertical which I can use as 
>a receiving antenna. When operating diversity I want the KRX3 to use one of these 
>antennas.
>
>I chose BNC. I connect the diversity antennas to the BNC jack (I have a switch to 
>select one of them). The latest firmware allows you to choose either MAIN or AUX for 
>the KRX3 antenna in normal and diversity mode, so this gives me what I want 
>automatically.
>
>All the above could have been done with the ATU setting (and connecting the KRX3's 
>auxiliary input to the KAT3). Then I would have connected my receiving antennas to 
>the Antenna 2 connector on the KAT3. But by using the BNC connector, I free up 
>Antenna 2 for a second transmitting antenna!

I use the same setup described by W6VAR, using an 80m full wave loop for the QSX
antenna.  I use antenna 2 for 6m exclusively.

Tom Hinson Childers, N5GE

K3 #806, XV144, XV432
Mini-Modules

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