Adam,

As I understand it, the KX2 is the receiver for your normal operating.  The SDR play is the receiver for the panadapter only.

As far as transmit and receive are concerned, the KX2 should operate as normal (although you can use the rig control portion of Win4K3 if you want to control the radio via mouse-clicks.

The SDR Plus provides the panadapter display and through the programming of Win4K3, it will track the tuning of the KX2.

If I did not get that right, I am certain Tom will 'chime in'.

73,
Don W3FPR

On 5/27/2019 6:34 PM, Adam Goler wrote:
Tom, Don,

Thanks! Win4K3Suite seems like a great option. From the video, if I understood correctly, the MFJ switch splits the sending/receiving paths such that the SDR play is used as the receiver, rather than the KX2. Is there any impact to receiver performance? Can the KX2 noise rejection, filtering, etc still be used? Or does the software do the heavy lifting there instead?

Will look into trying this out....

Thanks and 73,
Adam KM6PHD

On Mon, May 27, 2019 at 10:16 Tom <[email protected] <mailto:[email protected]>> wrote:

    Hi,
    Here is a video on how to set this up with the KX2.
    https://youtu.be/fxJq-aQivGk
    It will be pretty much the same for the KX2 except that you need
    the appropriate cable to turn on the switch when you go into
    transmit.  Also note that there is a newer MFJ switch called the
    MFJ1708SDR which no longer requires soldering a jumper.
    You can use this with an SDRPlay and Win4K3Suite or any software
    and corresponding SDR.
    73 Tom
    Va2fsq.com


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