FW: Independent Band/receiving antennas

[w0mu]

I am posting my questions to Wayne and his reply.  I hope this will help
others down the road.

Mike W0MU


On Mar 17, 2009, at 8:43 PM, W0MU Mike Fatchett wrote:

> Let me back up and make sure I am on the right page before jumping
> into the deep end so to speak.
>
> VFOA/Main is on 50.125  I have the PR6 installed.  To turn it on I hit
> the rx ant button and this will amplify the main ant in?

Yes, assuming it is patched into RX ANT IN and OUT.

>
> Obviously if you wanted to listen to say 40 meters at the same time
> you are going to need a separate receive antenna for the sub receive.

Yes.

>
> If I have the main on 14.200 and want to listen to 6m with the sub
> receiver I get the message to use the Aux antenna so I really don't
> want to do that.

This is because the main is on ANT1 or 2, and the LPF (20 m) is too low to
get anything through on 6 m.

>
> I can obviously listen to the main and sub on 6m at the same time and
> the preamp would be on and on the main antenna.
>
> Do I have this correct?

Yes.

>
> There does not seem to be a way to select via the rx ant button Sub to
> rcv antenna  while Main is on main?  In this case I would need to Y
> the receive ant and use aux.

Correct.

tnx
Wayne

>
> Sorry, Mike, I wasn't thinking about the PR6.
>
> If the PR6 is placed in the RX ANT IN/OUT path, then it can only be
> used by
> the sub RX if the sub is sharing the MAIN path, and RX ANT is turned
> on.
>
> If you wanted to use the PR6 with a separate receiving antenna and
> have it
> usable with either main or sub, you'd have to connect an RX antenna to
> its
> input. The PR6 output could still be routed with a 'Y' cable to both
> RX ANT
> IN and the sub's AUX RF BNC jack in this case.
>
> I know there are limitations to the possible ways antennas can be used
> with
> the K3. We tried to think of everything ahead of time... oh well!
>

... [show rest of quote]

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