Welcome to the FlexRadio Community! Please review the new Community Rules and other important new Community information on the Message Board.
Need the latest SmartSDR or 4O3A Genius Product Software?

SmartSDR v3.10.15 and the SmartSDR v3.10.15 Release Notes

The latest 4O3A Genius Product Software and Firmware
If you are having a problem, please refer to the product documentation or check the Help Center for known solutions.
Need technical support from FlexRadio? It's as simple as Creating a HelpDesk ticket.

Can't Receive on FT8 WSJT-X

Reggie
Reggie Member ✭✭
in SmartSDR for Windows

Hi,

I have been away from my Flex radio since February. I used to work FT8 daily; however, now I can 't get FT8 to Decode. I checked DAX on the radio Panel and set to DAX 2. I checked the DAX short cut, and the audio is streaming on DAX B. I also checked the sound card setting, it appears to be correct. When I switch to DAX 1, I receive decodes. What am I missing? See the images below

Audio Setting.png
DAK Streaming.png
DAX.png

Answers

  • David Decoons, wo2x
    David Decoons, wo2x Member, Super Elmer Moderator

    if you are receiving decodes when slice is set to DAX1 then the issue is in WSJT-X settings, change receive audio from DAX1 to DAX2.
    Both WSJT-X and slice DAX channel need to match.

    73

    Dave wo2x

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Hi Reggie, You are all set to receive on DAX channel 1. If you want to decode on slice B, change the slice B DAX Channel to 1.

    If you set the DAX channel to 2, you also need to change the WSJT-X soundcard input to DAX channel 2.

    Was there some reason that you don't want to use channel 1?

  • Reggie
    Reggie Member ✭✭

    DAX 1 is set to Channel A. I normally use Slice B for FT8, and It is assigned to DAX2 for Slice B.

    Reggie

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Hi Reggie, so you have a couple of choices. Either just change slice B to DAX 1, or leave slice B on DAX2 and change the WSJT-X soundcard audio input parameter to DAX 2.

  • Al K0VM
    Al K0VM Member ✭✭✭

    Is your PC clock time within 2 seconds of exact? check at time.is or time.gov with your browser.

    AL, K0VM

  • John KB4DU
    John KB4DU Member ✭✭✭✭

    If the PC is Windows, install Meinberg ntp (free), and always be in time sync.

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin

    You will stop decoding FT8 if you settings are wrong on the WSJT Waterfall view.

    Have a look at that screen in WSJT. Check the top scale and make sure that the scale goes from 100hz to 3000 hz.

    https://k0pir.us/wsjt-x-wide-graph-getting-right/

Leave a Comment

Rich Text Editor. To edit a paragraph's style, hit tab to get to the paragraph menu. From there you will be able to pick one style. Nothing defaults to paragraph. An inline formatting menu will show up when you select text. Hit tab to get into that menu. Some elements, such as rich link embeds, images, loading indicators, and error messages may get inserted into the editor. You may navigate to these using the arrow keys inside of the editor and delete them with the delete or backspace key.

Comment As ...

Categories