[Elecraft] KD9SV DXPedition II and diversity

[Don Wilhelm]

Jorge,

Hopefully I can help - at least I can try!

The RX Ant IN can connect to the main RX
That means the main RX can be switched between RX Ant and the KAT3.

If the TMP cable to the SubRX is plugged into the KAT3, then ---
The SubRX can be switched to share the main RX antenna (whichever that 
may be) or the non-TX antenna of the KAT3.

If the TMP cable to the SubRX is pcnnected to the AUX RF jack, then ---
The SubRX can be switched to share the main RX antenna or can use the 
AUX RF antenna.

So it all depends on which TMP cable you have plugged into the SubRX - 
you cannot have both.
You could connect it either way, but I suspect you would want to connect 
the SubRX to the AUX RF jack because you would not want to transmit into 
the receiving antennas (which could happen if you connect the receive 
antenna to the KAT3).

Yes, you would have to use an external switch or relay box to select 
from the 3 receiving antennas. Diversity would use the TX antenna as the 
antenna on the main unless you connect one receiving antenna to the RX 
ANT IN (for the mainRX antenna) and another to the AUX RF jack (for the 
SubRX antenna).

There *are* a lot of possible configurations! Which one is best for your 
situation is your challenge to determine.

73,
Don W3FPR

Jorge Diez - CX6VM wrote:
> Hello,
>
>  
>
> My K3 have the RX ANT IN and OUT and the AUX RF.
>
>  
>
> For diversity mode, I must use AUX RF to connect a RX antenna? Or I must use
> RX ANT IN?
>
>  
>
> Actually when I transmit in 160 mts I RX with two beverages and the 80 mts
> delta loop.
>
>  
>
> Wich will be the best configuration to do diversity mode with my main TX
> antennas and this 3 RX antennas?
>
>  
>
> I have a KD9SV DXPedition II box that allow me to select from up to four RX
> antennas, but it diagram connections didn’t connect to either AUX RF or RX
> ANT IN.
>
>  
>
> So I couldn´t use KD9SV box to switch between my RX antennas and do
> diversity with the K3??
>
>  
>
> Thanks!!
>
>  
>
> 73,
>
> Jorge
>
> CX6VM/CW5W
>
>  
>
>  
>
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