[Elecraft] KXV3 clarification requested

[John Klewer]

Thanks to all for the good info.

John, N6AX
K3 #567

Bill Tippett wrote:
> N6AX:
> > Just assembling my K3 and perhaps I missed an assembly step because,
> > though I ordered the KXV3, KIO3 and KAT3, I hve no aux antenna port
> > below the two antenna connectors...what did I miss?
>
> KK7P:
> Not a thing.  It is called "RX ANT IN" on the KXV3. The port you are
> referring to is near the SO-239s and is intended for the KRX3 (which is
> not to imply it comes with the KRX3, or that it does not, and I don't
> know the answer).
>
>         There is nothing missing in your assembly.  I
> believe AUX RF (below ANT1 and ANT2) is reserved for a
> future RX ANT input for the Sub RX only (i.e. similar in
> function to the present RX ANT on the KXV3).  Elecraft's
> drawing of the rear panel shows this port being a BNC
> connector just like the KXV3's BNC for RX ANT.
>
>             Why all this complexity?  When using the Sub RX
> for diversity receive, one might want to do the following:
>
> 1.  Transmit on ANT1, assign Main RX to your transmit
> antenna and assign Sub RX to a receive only antenna
> on AUX RF (i.e. you're using your transmit antenna and
> a separate receive antenna for diversity receive).
>
> 2.  Transmit on ANT1, assign Main RX to a receive antenna
> on RX ANT and assign Sub RX to another receive antenna
> on AUX RF (i.e. you're using two separate receive antennas
> for diversity receive).
>
> The way I understand it (which could be wrong!) is that
> AUX RF can only be used for the Sub RX, not the Main RX.
> I suspect this will become more clear after the KRX3 is
> introduced.  There may be a little kit to add the BNC
> connector for AUX RF and appropriate wiring connecting
> it to the KRX3.  In the meantime, there is absolutely
> nothing wrong with your present assembly!
>
>                                         73,  Bill  W4ZV
>
>
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