WIndows Subsystem for Linux

[Martin Church]

The only Linux  systems on my network are a Rpi3 and Rpi3B. I would like to run the Flex waveform and thought that I would try the latest Ubuntu Linux build (FreeDV-FlexRadio-2.2.0-dev-4c69-x86_64.AppImage) under WSL Ubuntu-24.04. 

This starts fine, finds my Flex and adds FDVU + FDVL. But I am not getting any decodes nor am I getting any transmit RF. I guess that something is not communicating correctly. Am I trying to do the impossible?

Martin - G4ENZ

[Mooneer Salem]

Hi Martin,

Maybe it's a Windows Firewall issue? Worth trying to disable it temporarily and see if there's any difference.

Thanks,

-Mooneer K6AQ

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[Martin Church]

Mooneer,

Thanks for the suggestion. I tried turn the firewall off but it didn't help.  I can see all the API information but I have no idea how the Flex actually uses the waveform for TX and RX. Should I be able to see anything by examining network traffic?

73 Martin - G4ENZ

[Mooneer Salem]

Hi Martin,

If working properly, there should be something in the output mentioning "udpport". The number next to that is the UDP port that audio is going in and coming out of; you can use Wireshark or similar to see if anything is making it to your PC at least.

Thanks,

-Mooneer K6AQ

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[Martin Church]

Hi Mooneer,

All is good now. I found the target UDP port in the logs and confirmed with Wireshark that my 6600 was sending lots of data to my Windows PC address. I configured up a Hyper-V virtual switch so that my Ubuntu virtual machine could get its own IP address. Now the UDP data is reaching Ubuntu. I am happy as I have everything running on the one windows computer.

Thanks for your help

73 Martin - G4ENZ