Yaesu USB CAT and PSK31, FT8, JT9 Digimode Interface. WSJT-X, FLDigi, HRD etc | eBay
Update: SignaLink and Other USB Digital Interfaces – Huge Bug + Permanent Fix for Amateur Radio Digital Modes | K3RRR Kilo Three Triple R Amateur Radio Station
Yaesu FT-991A
Yaesu FT-991 USB Port - Partie - 4 - YouTube
FT-991 | Hackaday
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Yaesu FT-991 - C4FM on 10 meters - Eric VE2MEL - YouTube
Comment configurer votre Yaesu FT-991 pour les Digimodes
Nvarcher Radio Ft8 Digital Transmission Mode Audio Cable Suitable For Yaesu Ft891 Ft991 Xiegu G90s X5105 Shortwave Radio Station - Pc Hardware Cables & Adapters - AliExpress
Please use this setup by N1RWY to start with (I've modified them to fit the FT-991A This set up only concerns Winmor and not Pac