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WSJT-X and Logging UDP Broadcast

Hi folks, I'm new here and very green in terms of networking.

Here is what I'm trying to do. I run both Mac and PC machines and can connect to my Flex 6400 no problem with either. I have WSJT-x running fine on the Flex pc in the shack and working great with the radio, but what I want to do is log the contact on my Mac laptop which is NOT connected to the radio but on the same LAN. The Mac has MacLoggerDX running on it and machine is awake.

Both machines are connected to the same LAN and I would think that I could UDP broadcast the QSO on the LAN to my Mac running MacLoggerDX. I have learned that I can log QSO's in the field on my Mac laptop when WSJT-x is connected to another rig and it will send ADIF data to MLDX no problem, but again that is on the same machine.

I've enable UDP broadcast on MLDX / WSJT-x and on the PC in shack on WSJT-x I have Use TCP/IP and secondary server both enabled. Despite this, I cannot received a QSO from the PC to my Mac via the LAN.

Is what I'm trying to do possible?

Thank you.

Rich
KQ9L

Comments

  • Alan
    Alan Member ✭✭✭

    To get cross platform UDP podcasts, use the multiplex IP address, "224.0.0.1".

    Here is a screenshot of my Mac WSJT-X reporting tab. Your Windows setup will be similar, but the UDP server will be the same. Ignore my use of port 2240.....use the MLDX default port, 2237, unless you too have changed the MLDX WSJT-X UDP in default.

    Alan. WA9WUD


  • Radiorich
    Radiorich Member ✭✭
    Thanks, I gave it a try but no communication, and I did not change the default port as you advised. I did notice that in my Win machine, the option for outgoing interfaces was different than what you showed above "loopback_0" which I assume is the long hand for the "lo0" in your picture. On MLDX on the Mac, I do have the WSJT-x enabled and the UDP broadcast checked. Regardless of UDP broadcast on MLDX on or off, no communication. Any other thoughts?
  • Alan
    Alan Member ✭✭✭

    Yes, two thoughts. First, hover over the WSJT-X in MLDX Radio Setup to see what is currently set up for. Default is to use a loopback address, 127.0.0.1. (only works on the same computer). If so, yes, using a multiplex address will not work. Here is a screenshot of mine, set up for multi=cast on port 2240.

    Next, change your MLDX to a multicast address by sending this command to your Mac using your terminal. Be sure to include the quotes on the multicast IP address:

    com.dogparksoftware.MacLoggerDX wsjtx_multicast_group "224.0.0.1"

    Restart MLDX, hover over the WSJT on the radio settings, it should now look like mine.

    Try again from your WSJT using multicast 224.0.0.1, same port as you set up in MLDX (2237 is the standard

    For reference, I have included a screenshot, below, of the instructions from the MLDX help file outlining these same steps.


    Alan. WA9WUD



  • Radiorich
    Radiorich Member ✭✭
    Thanks, I'll give that a try after dinner. If I switch to a multicast, I'm assuming that I will have to change the setting on WSJT-x on the MAC so it will still log on MLDX on the same machine, correct?
  • Radiorich
    Radiorich Member ✭✭
    Ok as a follow up. This is even easier than I was making it out to be. If you just change the WSJTx UDP broadcast IP address to n.n.n.255 MLDX picks up the broadcast no issues! I think this opens so many more options for me and MAC users as I hope to use CW Skimmer and try my hand at a few contests, logging will now integrate w my mac and all should be good! Thanks Alan!

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