SDR for digital non voice modes

Discussion in 'Software Defined Radio (SDR)' started by N4AEQ, Jul 3, 2019.

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  1. N4AEQ

    N4AEQ Ham Member QRZ Page

    I am using several SRD dongles for receiving analog and digital voice, using pc, dsd+ and virtual cable, however I would like to monitor other non voice digital modes FT8, PSK31, ssctv. dsd + works great for
    P25, dmr and other voice modes but, not sure what software I need for non voice modes.
  2. PY2RAF

    PY2RAF XML Subscriber QRZ Page

    Hi Charles!

    You might have to raise your bar a bit. For FT-8, I have seen people channelling the audio output of a standard SDR to a "Virtual" sound card in the computer, which would then be selected by the FT-8 software (MSHV, WSJT, etc) and consume it.

    You can also use GNURadio. There are a lot of building bocks for parsing/treating/decoding the signal of interest. There are a lot of blocks/ideas/projects over the internet.

    Wish you good luck!!!

    73s de PY2RAF - Rodrigo.
  3. VA3VF

    VA3VF Ham Member QRZ Page

    First download and install Virtual Audio Cable:

    After that, point the SDR to use the VAC. Any digital decoding software must point to it as well. Note input and output. From there, everything else is the same.

    Some people do the same thing using Windows Mixer, but I do not like that route.
  4. VE9DAN

    VE9DAN Ham Member QRZ Page

    I use FLdigi for PSK, Olivia, RTTY and several other non voice data modes.
    I use MMSSTV for slow scan.
    I use WSJT-x for FT8, FT4, and WSPR.

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