[Elecraft] K3: pseudo KRX3 "free" via LP-Pan+Power SDR

[Alan Bloom]

The IF output from the K3 is after the mixer but before the crystal
filters.  So one advantage of using the KRX3 is that you get much better
dynamic range due to the crystal filters.  It probably doesn't matter
much for casual listening but for contesting and DXing the KRX3 would
have much better performance.

However, it sounds like the PowerSDR receiver would make a nice
"spotting" receiver, just to get an idea of what is going on on a
frequency.

The ultimate DX station would have a K3, KRX3 and PowerSDR.  The main
receiver is on the frequency of the DX station you are listening to, the
sub-receiver is on the pileup frequency, and the "software" receiver is
available to quickly check out any other interesting pileups you notice
on the panadapter.

Al N1AL


On Wed, 2008-07-30 at 20:38, Brett Howard wrote:
> You see then I don't understand how the KRX3 adds much to the PowerSDR
> experience (unless you're only using the PowerSDR as a bit of a control
> head and you're doing the listening on the K3).  But then the filters
> and what not I thought were only controlling filters in the PowerSDR
> software as they weren't changing the filter setups in the K3.  What am
> I missing here?
> 
> 
> On Wed, 2008-07-30 at 17:43 -0700, Alan Bloom wrote:
> > I don't have a KRX3 (yet) but I believe LP-Pan connects to the main
> > receiver IF output only and simply indicates on the display where the
> > sub-receiver is tuned (if it is within the bandwidth of the display).
> > 
> > Al N1AL
> > 
> > 
> > On Wed, 2008-07-30 at 16:38, Brett Howard wrote:
> > > I don't see how it's possible?  Wouldn't you need two IF outputs?
> > > 
> > > -----Original Message-----
> > > From: elecraft-bounces at mailman.qth.net
> > > [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Vic K2VCO
> > > Sent: Wednesday, July 30, 2008 3:04 PM
> > > To: Eric Swartz - WA6HHQ, Elecraft
> > > Cc: Elecraft Reflector
> > > Subject: Re: [Elecraft] K3: pseudo KRX3 "free" via LP-Pan+Power SDR
> > > 
> > > Eric Swartz - WA6HHQ, Elecraft wrote:
> > > 
> > > > On the other hand, the combination of PowerSDR and the K3 -with- the 
> > > > KRX3 sub RX, is outstanding. It fully integrates with the KRX3's main 
> > > > and sub RX frequency on its panoramic display.
> > > 
> > > Eric,
> > > Can you tell us where to find an explanation of how to configure the K3 
> > > and KRX3 with PowerSDR to do this?
> >