[Elecraft] K3 and CW-Skimmer

Bill W4ZV btippett at alum.mit.edu
Wed Feb 23 12:17:05 EST 2011



Arie Kleingeld PA3A-2 wrote:
> 
> Bill,
> 
> Thanks for the confirmation.
> 
> I'm not an expert in how this software works to get the the signals 
> displayed on the right freq.
> It seems to me that CWskimmer uses the displayed receive frequency as 
> data to work with. It would probably work better if it would use (by 
> computing using data from the K3) the VFO (1st oscillator) freq. This is 
> probably done by the PSDR-IF software authors. (just guessing here)
> 

I believe PSDR reads the offsets for each different filter and automatically
corrects, although I have not used PSDR in nearly 3 years so I could be
wrong.  Skimmer only uses a single offset entered in the Setting Menu.  The
information about different filter offsets is available in the K3's output
but Alex does not use it.  I also wish he would lift the 24 kHz limitation
for the Software on IF mode used with the K3 but so far he hasn't.

I use Skimmer directly with the K3/LP-PAN (no PSDR) since I much prefer its
waterfall.  PSDR is nice but overly complex for what I need.

73,  Bill
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