[Elecraft] Elecraft K3 with K2 as station panadapter setup?

Don Wilhelm w3fpr at embarqmail.com
Wed Apr 7 10:07:33 EDT 2010


Sam,

To listen with both the K2 and K3 at the same time and with the same 
antenna, You could use something external to the K3 - think SO2R setup, 
or at least a subset of SO2R.

With the KXV3, there is the RX ANT Out connector - but that is only 
connected to the antenna when the RX ANT is selected.  With a 3 dB 
splitter placed there, you could connect one splitter output to RX ANT 
IN and the other splitter output to the K2.  You would loose 3 dB in 
each receiver, but that may not be a problem for the application you are 
trying to use.  On the K3, you can quickly recover that 3 dB by taking 
it out of RX ANT with a button tap - you would lose reception on the K2, 
but have full sensitivity on the K3.

I believe you would have to run 2 copies of HRD, one to control the K3 
and another to control the K2 - I don't know how you get two instances 
of HRD to track frequency wise, so that is for you to solve.  Yes, 
LP-Bridge *may* be helpful, but in any case, you will need two physical 
serial ports, one for the K2 and one for the K3, LP-Bridge does not 
split on the K3 side, only on the application side.

73,
Don W3FPR

Sam Morgan wrote:
> I want to use both my K3 and my K2
> at the same time, on the same frequency and antenna.
> I wish to TX and RX on the K3.
> I also wish to use my K2,
> which has a softrock being use with PowerSDR/IF as a panadapter,
> as just that, a panadapter on the same frequency using the same antenna.
>
> I'm sure this is a relatively simple thing to do,
> but my aging gray matter just switches to the
> 'you want to do wat?' mode
> and I end up in an endless loop of
> how to connect all this
> and not hurt any of the equipment involved.
>
> All physical connections are with serial cables to a desktop rig.
> I have both HRD 5.0 and DXLabs, but prefer using HRD.
> I use PowerSDR/IF for the panadapter display.
>
> I have heard of some virtual serial ports or bridges,
> but am clueless as to what, which, or how to involve it/them.
>
> TIA
>   
>


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