Yaesu digital modes, MacBook Pro and a new FT-991A.

Discussion in 'Working Different Modes' started by VE3GZB, May 18, 2020.

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  1. VE3GZB

    VE3GZB Ham Member QRZ Page


    I have no problem using a new FT-991A with Windows 10 desktop system and programs like FLRig/FLDigi or WSJT-X. No problems at all.

    On a MacBook Pro with the latest MacOS (whatever animal they call it now, it automatically updates itself), even if I install the drivers from Silicon Labs:


    ....I find that on the MacBook I can only receive the audio on the waterfall display. I cannot transmit (no keying of the transmitter, no RF output). I have no CAT control, no synchronization of mode or frequency changes and FLRig complains there is a communications error.

    If I try to run WSJT-X or FLDigi without FLRig, the problem remains unchanged.

    If I disconnect the 991A from the MacBook, plug the USB cable into the Win 10 box, everything digital runs perfectly, so I can't condemn the USB cable or the radio.

    Has anyone encountered such problems and discovered a solution?

    If this virus stuff lets go, I'm hoping to take the 991A and the laptop up north for a cottage rental time along with a Buddipole and see what I can see up there. Although I can still work phone, it would be nice to see what digital modes can be received up north.

  2. VE3GZB

    VE3GZB Ham Member QRZ Page

  3. N2TPA

    N2TPA Ham Member QRZ Page

    I am having the same initial issue as you were, even after using the new driver. Its strange since I can manually tun the radio to the data frequencies and WSJT will decode the messages. The codec is working fine for audio input and output. I dont get it. I have the exact opposite problem when using raspberry pi. I have CAT control but I dont have the Audio Codec. Its really strange. Do you have any suggestions? I am running OS X 10.15.4

  4. VE3GZB

    VE3GZB Ham Member QRZ Page

    Regarding Raspberry Pi, I'm sorry. I don't think I can be of help. That's another universe of computing. 73s

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