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CWSkimmer with SDR Bridge isn't updating when I update panadapter

I'll start by saying that I have followed the instructions on the NN4ZZ help file (which is wonderful)

I am able to get SmartSDR (v3.3.32) to connect to CWSkimmer (v2.1) using SDR Bridge V3. Spots are flowing as expected using the instructions.

My only issue is that when I change the panadapter (zoom, scroll, etc.), then the spots are off frequency. They still come in, but with the wrong freq. I've discovered that if I open the CWSkimmer settings again and update the LO Frequency field to match the center frequency of the panadapter, everything works again (spots go to the right frequency). However, if I change the panadapter, it breaks again.

It seems something isn't right - CWSkimmer isn't updating automatically via SDR Bridge or something.



  • Pat_N0HR
    Pat_N0HR Member
    One clue may be my Stream in the SDR Bridge app isn't showing a range. Rather it's only showing a single frequency.
  • Pat_N0HR
    Pat_N0HR Member
    Looks like this is only a problem on slice A. If I setup Slice B in SDR-Bridge, it works as expected.

    I may need to nuke the config setting for IQ1 to get things going again.
  • Al_NN4ZZ
    Al_NN4ZZ Member ✭✭✭

    Hi Pat,

    Yes it should show the range, see snapshot of mine and yours. I'm not sure of the cause but you might try using a different IQ stream ( e.g. 2 or 3 or 4) and see if that makes any difference. Also sometimes rebooting the PC seems to fix DAX issues.

    If you don't have any luck you can email Ed / W2RF for help.

    Let me know if you find something new and I'll add it to the next revision of the guide.

    Regards, Al / NN4ZZ

    al (at) nn4zz (dot) com

    6600 Win10 Pro V2004 -- SSDR V3.3.33

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