[Elecraft] Poor Man's SO2R ?

Brett Howard brett at livecomputers.com
Sun Aug 2 22:40:56 EDT 2009


I think you'd be happy w/ the SubRX.  If you're listening on a higher
band you can just tell it you're doing split and use VFB B as your TX
and then listen to the higher band on A.  If you're just running a CQ
you may as well run it on B so that as you're scanning you get to use
the big knob for your searching.  

~Brett

On Sun, 2009-08-02 at 19:19 -0600, Craig D. Smith wrote:
> Was doing some thinking during the NAQP CW contest this weekend - dangerous,
> I know.  I'd like to dabble with SO2R "extra lite", just to pick up an
> additional mult from time-to-time.  Don't really want to get into the
> complexity and expense of SO2R software, interconnections and 2nd
> transceiver.
> 
> What I had in mind was to monitor the second band with a separate receiver
> and antenna - maybe an SDR - with just an earbud stuffed into one ear.  For
> example, when running on 20 with the K3, I could be searching 15 for missing
> mults while the CQ is in process.  If I find one, it would be really slick
> if I could dial in the frequency on the K3 VFO B.  Then at the opportune
> time, switch the K3 to 15, press A/B and give him a call.  Two button
> presses.  Only one to go back to my 20 meter frequency.  (when contesting I
> have the unused bands mapped out).  The logging software should track this
> w/o any difficulty.
> 
> I understand the limitation of the K3 of receiving on two different bands
> due to the lowpass filtering, but I'm not asking for that.  Just would like
> a way to set the VFO B in advance so that it is ready to go when I do the
> band switch, saving lots of time.
> 
> I admit to no knowledge of SO2R, so I could be all wet.  I also could be
> opening up a can of worms and/or Pandora's box.  But I do know that there
> are several very experienced people on this list about both SO2R and the K3
> design, and would be interested in their feedback.
> 
> 73
>           .... Craig  AC0DS
> 
> 
> 
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